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Chen W, Li J, Guo J, Li L, Wu H. Diagnosis and therapy of Alzheimer's disease: Light-driven heterogeneous redox processes. Adv Colloid Interface Sci 2024; 332:103253. [PMID: 39067260 DOI: 10.1016/j.cis.2024.103253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 07/15/2024] [Accepted: 07/19/2024] [Indexed: 07/30/2024]
Abstract
Light-driven heterogeneous processes are promising approaches for diagnosing and treating Alzheimer's disease (AD) by regulating its relevant biomolecules. The molecular understanding of the heterogeneous interface environment and its interaction with target biomolecules is important. This review critically appraises the advances in AD early diagnosis and therapy employing heterogeneous light-driven redox processes, encompassing photoelectrochemical (PEC) biosensing, photodynamic therapy, photothermal therapy, PEC therapy, and photoacoustic therapy. The design strategies for heterogeneous interfaces based on target biomolecules and applications are also compiled. Finally, the remaining challenges and future perspectives are discussed. The present review may promote the fundamental understanding of AD diagnosis and therapy and facilitate interdisciplinary studies at the junction of nanotechnology and bioscience.
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Affiliation(s)
- Wenting Chen
- Macau Institute of Materials Science and Engineering (MIMSE), Faculty of Innovation Engineering, Macau University of Science and Technology, Taipa 999078, Macau
| | - Jiahui Li
- Macau Institute of Materials Science and Engineering (MIMSE), Faculty of Innovation Engineering, Macau University of Science and Technology, Taipa 999078, Macau
| | - Jiaxin Guo
- School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Liang Li
- Macau Institute of Materials Science and Engineering (MIMSE), Faculty of Innovation Engineering, Macau University of Science and Technology, Taipa 999078, Macau
| | - Hao Wu
- Macau Institute of Materials Science and Engineering (MIMSE), Faculty of Innovation Engineering, Macau University of Science and Technology, Taipa 999078, Macau.
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2
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Zhao X, Reva Y, Jana B, Langford D, Kinzelmann M, Zhang Z, Liu Q, Drewello T, Guldi DM, Chen X. Tartaric acid-derived chiral carbon nanodots for catalytic enantioselective ring-opening reactions of styrene oxide. Chem Commun (Camb) 2024; 60:10382-10385. [PMID: 39222045 DOI: 10.1039/d4cc04119d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Chiral carbon nanodots (CNDs) were fabricated through the hydrothermal processing of sulfanilic acid and chiral tartaric acid, exhibiting outstanding catalytic performance for the chiral catalysis of the ring-opening reaction. Furthermore, the catalytic mechanism was proposed to understand the link between the chiral structure and the performance of the catalyst.
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Affiliation(s)
- Xinyi Zhao
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China.
| | - Yana Reva
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM), Physical Chemistry I, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, 91058, Germany.
| | - Bikash Jana
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM), Physical Chemistry I, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, 91058, Germany.
- Schulich Faculty of Chemistry, Israel Institute of Technology, Technion, 3200008, Israel
| | - Daniel Langford
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM), Physical Chemistry I, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, 91058, Germany.
| | - Marina Kinzelmann
- Department of Chemistry and Pharmacy, Physical Chemistry I, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, 91058, Germany
| | - Zhipeng Zhang
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China.
| | - Qi Liu
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China.
| | - Thomas Drewello
- Department of Chemistry and Pharmacy, Physical Chemistry I, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, 91058, Germany
| | - Dirk M Guldi
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM), Physical Chemistry I, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, 91058, Germany.
| | - Xiaoqing Chen
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China.
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, Central South University, Changsha 410083, China
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3
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Salati M, Dorchies F, Wang JW, Ventosa M, González-Carrero S, Bozal-Ginesta C, Holub J, Rüdiger O, DeBeer S, Gimbert-Suriñach C, Durrant JR, Ertem MZ, Gil-Sepulcre M, Llobet A. Covalent Triazine-Based Frameworks with Ru-tda Based Catalyst Anchored via Coordination Bond for Photoinduced Water Oxidation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2406375. [PMID: 39235360 DOI: 10.1002/smll.202406375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2024] [Indexed: 09/06/2024]
Abstract
Light-induced water splitting (hν-WS) for the production of hydrogen as a solar fuel is considered a promising sustainable strategy for the replacement of fossil fuels. An efficient system for hν-WS involves a photoactive material that, upon shining light, is capable of separating and transferring charges to catalysts for the hydrogen and oxygen evolution processes. Covalent triazine-based frameworks (CTFs) represent an interesting class of 2D organic light-absorbing materials that have recently emerged thanks to their tunable structural, optical and morphological properties. Typically, catalysts (Cat) are metallic nanoparticles generated in situ after photoelectroreduction of metal precursors or directly drop-casted on top of the CTF material to generate Cat-CTF assemblies. In this work, the synthesis, characterization and photocatalytic performance of a novel hybrid material, Ru-CTF, is reported, based on a CTF structure featuring dangling pyridyl groups that allow the Ru-tda (tda is [2,2':6',2'"-terpyridine]-6,6'"-dicarboxylic acid) water oxidation catalyst (WOC) unit to coordinate via covalent bond. The Ru-CTF molecular hybrid material can carry out the light-induced water oxidation reaction efficiently at neutral pH, reaching values of maximum TOF of 17 h-1 and TONs in the range of 220 using sodium persulfate as a sacrificial electron acceptor.
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Affiliation(s)
- Martina Salati
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST), Tarragona, 43007, Spain
| | - Florian Dorchies
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST), Tarragona, 43007, Spain
| | - Jia-Wei Wang
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST), Tarragona, 43007, Spain
| | - Marta Ventosa
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST), Tarragona, 43007, Spain
| | - Soranyel González-Carrero
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST), Tarragona, 43007, Spain
| | - Carlota Bozal-Ginesta
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, Wood Lane, London, W12 0BZ, UK
| | - Jan Holub
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST), Tarragona, 43007, Spain
- Department of Inorganic Chemistry, University of Chemistry and Technology, Prague (UCT, Prague), Technická 5, Prague, 166 28, Czech Republic
| | - Olaf Rüdiger
- Max Planck Institute for Chemical Energy Conversion, Stiftstrasse 34-36, D-45470, Mülheim an der Ruhr, Germany
| | - Serena DeBeer
- Max Planck Institute for Chemical Energy Conversion, Stiftstrasse 34-36, D-45470, Mülheim an der Ruhr, Germany
| | - Carolina Gimbert-Suriñach
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST), Tarragona, 43007, Spain
- Departament de Química, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Barcelona, 08193, Spain
| | - James R Durrant
- Department of Chemistry, Centre for Processable Electronics, Imperial College London, Wood Lane, London, W12 0BZ, UK
| | - Mehmed Z Ertem
- Brookhaven National Laboratory, Chemistry Division, Upton, New York, 11973-5000, USA
| | - Marcos Gil-Sepulcre
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST), Tarragona, 43007, Spain
- Max Planck Institute for Chemical Energy Conversion, Stiftstrasse 34-36, D-45470, Mülheim an der Ruhr, Germany
| | - Antoni Llobet
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST), Tarragona, 43007, Spain
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Kim D, Bhattacharjee S, Lam E, Casadevall C, Rodríguez-Jiménez S, Reisner E. Photocatalytic CO 2 Reduction Using Homogeneous Carbon Dots with a Molecular Cobalt Catalyst. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2400057. [PMID: 38519846 DOI: 10.1002/smll.202400057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/07/2024] [Indexed: 03/25/2024]
Abstract
A simple and precious-metal free photosystem for the reduction of aqueous CO2 to syngas (CO and H2) is reported consisting of carbon dots (CDs) as the sole light harvester together with a molecular cobalt bis(terpyridine) CO2 reduction co-catalyst. This homogeneous photocatalytic system operates in the presence of a sacrificial electron donor (triethanolamine) in DMSO/H2O solution at ambient temperature. The photocatalytic system exhibits an activity of 7.7 ± 0.2 mmolsyngas gCDs -1 (3.6 ± 0.2 mmolCO gCDs -1 and 4.1 ± 0.1 mmolH2 gCDs -1) after 24 hours of full solar spectrum irradiation (AM 1.5G). Spectroscopic and electrochemical characterization supports that this photocatalytic performance is attributed to a favorable association between CDs and the molecular cobalt catalyst, which results in improved interfacial photoelectron transfer and catalytic mechanism. This work provides a scalable and inexpensive platform for the development of CO2 photoreduction systems using CDs.
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Affiliation(s)
- Dongseok Kim
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Subhajit Bhattacharjee
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Erwin Lam
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Carla Casadevall
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | | | - Erwin Reisner
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
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5
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Li J, Zhao X, Gong X. The Emerging Star of Carbon Luminescent Materials: Exploring the Mysteries of the Nanolight of Carbon Dots for Optoelectronic Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2400107. [PMID: 38461525 DOI: 10.1002/smll.202400107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 02/19/2024] [Indexed: 03/12/2024]
Abstract
Carbon dots (CDs), a class of carbon-based nanomaterials with dimensions less than 10 nm, have attracted significant interest since their discovery. They possess numerous excellent properties, such as tunability of photoluminescence, environmental friendliness, low cost, and multifunctional applications. Recently, a large number of reviews have emerged that provide overviews of their synthesis, properties, applications, and their composite functionalization. The application of CDs in the field of optoelectronics has also seen unprecedented development due to their excellent optical properties, but reviews of them in this field are relatively rare. With the idea of deepening and broadening the understanding of the applications of CDs in the field of optoelectronics, this review for the first time provides a detailed summary of their applications in the field of luminescent solar concentrators (LSCs), light-emitting diodes (LEDs), solar cells, and photodetectors. In addition, the definition, categories, and synthesis methods of CDs are briefly introduced. It is hoped that this review can bring scholars more and deeper understanding in the field of optoelectronic applications of CDs to further promote the practical applications of CDs.
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Affiliation(s)
- Jiurong Li
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Xiujian Zhao
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Xiao Gong
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, P. R. China
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6
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Zhao W, Luo L, Cong M, Liu X, Zhang Z, Bahri M, Li B, Yang J, Yu M, Liu L, Xia Y, Browning ND, Zhu WH, Zhang W, Cooper AI. Nanoscale covalent organic frameworks for enhanced photocatalytic hydrogen production. Nat Commun 2024; 15:6482. [PMID: 39090140 PMCID: PMC11294449 DOI: 10.1038/s41467-024-50839-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 07/23/2024] [Indexed: 08/04/2024] Open
Abstract
Nanosizing confers unique functions in materials such as graphene and quantum dots. Here, we present two nanoscale-covalent organic frameworks (nano-COFs) that exhibit exceptionally high activity for photocatalytic hydrogen production that results from their size and morphology. Compared to bulk analogues, the downsizing of COFs crystals using surfactants provides greatly improved water dispersibility and light-harvesting properties. One of these nano-COFs shows a hydrogen evolution rate of 392.0 mmol g-1 h-1 (33.3 μmol h-1), which is one of the highest mass-normalized rates reported for a COF or any other organic photocatalysts. A reverse concentration-dependent photocatalytic phenomenon is observed, whereby a higher photocatalytic activity is found at a lower catalyst concentration. These materials also show a molecule-like excitonic nature, as studied by photoluminescence and transient absorption spectroscopy, which is again a function of their nanoscale dimensions. This charts a new path to highly efficient organic photocatalysts for solar fuel production.
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Affiliation(s)
- Wei Zhao
- Leverhulme Research Centre for Functional Materials Design, Materials Innovation Factory and Department of Chemistry, University of Liverpool, Liverpool, UK
| | - Liang Luo
- Leverhulme Research Centre for Functional Materials Design, Materials Innovation Factory and Department of Chemistry, University of Liverpool, Liverpool, UK
| | - Muyu Cong
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
| | - Xueyan Liu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
| | - Zhiyun Zhang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
| | - Mounib Bahri
- Albert Crewe Centre for Electron Microscopy, University of Liverpool, Liverpool, L69 3GL, UK
| | - Boyu Li
- Leverhulme Research Centre for Functional Materials Design, Materials Innovation Factory and Department of Chemistry, University of Liverpool, Liverpool, UK
| | - Jing Yang
- Leverhulme Research Centre for Functional Materials Design, Materials Innovation Factory and Department of Chemistry, University of Liverpool, Liverpool, UK
| | - Miaojie Yu
- Leverhulme Research Centre for Functional Materials Design, Materials Innovation Factory and Department of Chemistry, University of Liverpool, Liverpool, UK
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
| | - Lunjie Liu
- Department of Materials Science and Engineering, Southern University of Science and Technology, 518055, Shenzhen, China
| | - Yu Xia
- Department of Materials Science and Engineering, Southern University of Science and Technology, 518055, Shenzhen, China
| | - Nigel D Browning
- Albert Crewe Centre for Electron Microscopy, University of Liverpool, Liverpool, L69 3GL, UK
| | - Wei-Hong Zhu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
| | - Weiwei Zhang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China.
| | - Andrew I Cooper
- Leverhulme Research Centre for Functional Materials Design, Materials Innovation Factory and Department of Chemistry, University of Liverpool, Liverpool, UK.
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7
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Kommula B, Chakraborty S, Banoo M, Roy RS, Sil S, Swarnkar A, Rawat B, Kailasam K, Gautam UK. Waste Polyethylene-Derived Carbon Dots: Administration of Metal-Free Oxidizing Agents for Tunable Properties and Photocatalytic Hyperactivity. ACS APPLIED MATERIALS & INTERFACES 2024; 16:39470-39481. [PMID: 39029128 DOI: 10.1021/acsami.4c08635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/21/2024]
Abstract
The possibility of converting waste plastics into carbon dots (CDs) with 100% efficiencies using KMnO4 has emerged as a significant discovery in mitigating plastic pollution and upcycling. However, the lack of tunability of their properties, viz. aerial O2 harvesting, light-induced autophagy, and photoactivity using air as a free oxidant, has remained a bottleneck. Besides, the toxicity of KMnO4 makes the process less sustainable. Attempting to bridge these gaps, herein, we demonstrate the preparation of CDs using polyethylene with enormous controllability of their properties by utilizing less-toxic and metal-residue-free oxidizers, e.g., H2O2, HNO3, HClO4, and NaClO. We obtain structurally diverse CDs with controllable luminescent quantum yields (∼0.5-8%), excitonic lifetimes (1.3-2.3 ns), and binding energies (147-290 meV). These CDs exhibit a hugely extended range of molecular O2 harvesting (∼405-650 μM) with different amounts of strongly and weakly surface-bound O2 molecules within an estimated ratio of ∼0.77-2.51. Autophagy varied from 14 days to a nearly "no-autophagy" show. We efficiently utilized their oxygen harvesting and photocatalytic abilities to synthesize imine compounds from the corresponding amines in the open air (rate constant of ∼0.055 min-1), surpassing the literature efficiencies achieved using an O2 flow and noble metals. Notably, due to oxygen harvesting by CDs, no additional rate enhancement was observed after O2 purging, establishing the role of CDs in making free air an excellent oxidizing agent.
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Affiliation(s)
- Bramhaiah Kommula
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER)-Mohali, Mohali, SAS Nagar, Punjab 140306, India
| | - Sagnik Chakraborty
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER)-Mohali, Mohali, SAS Nagar, Punjab 140306, India
| | - Maqsuma Banoo
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER)-Mohali, Mohali, SAS Nagar, Punjab 140306, India
| | - Raj Sekhar Roy
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER)-Mohali, Mohali, SAS Nagar, Punjab 140306, India
| | - Supriya Sil
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER)-Mohali, Mohali, SAS Nagar, Punjab 140306, India
| | - Abhishek Swarnkar
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER)-Mohali, Mohali, SAS Nagar, Punjab 140306, India
| | - Bhawna Rawat
- Advanced Functional Nanomaterials, Institute of Nano Science and Technology (INST), Knowledge City, Sector-81, Manauli, Mohali, SAS Nagar, Punjab 140306, India
| | - Kamalakannan Kailasam
- Advanced Functional Nanomaterials, Institute of Nano Science and Technology (INST), Knowledge City, Sector-81, Manauli, Mohali, SAS Nagar, Punjab 140306, India
| | - Ujjal K Gautam
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER)-Mohali, Mohali, SAS Nagar, Punjab 140306, India
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8
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Liu Y, Li R, Lv Q, Yu B. Embracing heterogeneous photocatalysis: evolution of photocatalysts in annulation of dimethylanilines and maleimides. Chem Commun (Camb) 2024. [PMID: 39078307 DOI: 10.1039/d4cc02516d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/31/2024]
Abstract
Recent advances in visible-light-promoted construction of tetrahydroquinolines from dimethylanilines and maleimides are documented. Homogeneous and heterogeneous photocatalytic systems, as well as the reaction mechanism, are emphasized. The mechanism of this photocatalytic annulation reaction is quite clear, i.e., dimethylanilines and maleimides serve as the radical precursors and radical acceptors, respectively. This annulation reaction could serve as an excellent platform for evaluating novel oxidative heterogeneous photocatalytic systems, which could further inspire chemists in this field to develop more efficient photocatalytic systems. Significant opportunities are expected in the future for heterogeneous photocatalysis strategies.
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Affiliation(s)
- Yan Liu
- Henan International Joint Laboratory of Rare Earth Composite Material, College of Materials Engineering, Henan University of Engineering, Zhengzhou, Henan Province 451191, China
| | - Rui Li
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637459, Singapore.
| | - Qiyan Lv
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
- National Engineering Research Center of Low-Carbon Processing and Utilization of Forest Biomass, Nanjing Forestry University, Nanjing 210037, China
| | - Bing Yu
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
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9
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Wang H, Zhang X, Zhu H, Xiang G. Robust Bi-anchoring carbon dot/BiOCl sheet heterojunction photocatalysts toward superior photocatalytic activity. NANOSCALE 2024; 16:12670-12679. [PMID: 38888799 DOI: 10.1039/d4nr01304b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
BiOCl has attracted much attention due to its robust layered structure, excellent photocatalytic activity and nontoxicity. However, its practical application is hindered by its narrowband UV photoresponse and rapid recombination of photocarriers. Herein, zero-dimensional Bi-anchoring carbon quantum dot (Bi-CD)/two-dimensional BiOCl heterojunction (Bi-CD/BiOCl) photocatalysts are designed and synthesized by a facile hydrothermal method. Under 190-1100 nm broadband light irradiation, the optimized Bi-CD/BiOCl sample exhibits a superb rhodamine B (RhB) degradation rate of nearly 100%, which is 2.3 (1.7) times that of pristine BiOCl (CD/BiOCl). Additionally, the optimized sample exhibits an RhB degradation rate of up to 88.1% even under direct outdoor light and robust durability in water solution. Experimental results combined with DFT calculations reveal that the superior photocatalytic activity arises from the synergetic effects of broader light absorption due to the incorporation of CD, extra hot electron excitation by the localized surface plasmon resonance (LSPR) effect of metallic Bi, and enhanced electron transfer across the heterojunction interface as well as the existence of more oxygen vacancy traps in BiOCl. This work gives insights into the structure and photocatalytic properties of Bi-CD/BiOCl and provides a new strategy for the design and fabrication of robust high-performance photocatalysts under wide spectrum light irradiation.
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Affiliation(s)
- Han Wang
- College of Physics, Sichuan University, Chengdu 610064, China.
| | - Xi Zhang
- College of Physics, Sichuan University, Chengdu 610064, China.
| | - Hongyu Zhu
- College of Physics, Sichuan University, Chengdu 610064, China.
| | - Gang Xiang
- College of Physics, Sichuan University, Chengdu 610064, China.
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10
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Yuan Z, Zhu X, Gao X, An C, Wang Z, Zuo C, Dionysiou DD, He H, Jiang Z. Enhancing photocatalytic CO 2 reduction with TiO 2-based materials: Strategies, mechanisms, challenges, and perspectives. ENVIRONMENTAL SCIENCE AND ECOTECHNOLOGY 2024; 20:100368. [PMID: 38268554 PMCID: PMC10805649 DOI: 10.1016/j.ese.2023.100368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 12/10/2023] [Accepted: 12/10/2023] [Indexed: 01/26/2024]
Abstract
The concentration of atmospheric CO2 has exceeded 400 ppm, surpassing its natural variability and raising concerns about uncontrollable shifts in the carbon cycle, leading to significant climate and environmental impacts. A promising method to balance carbon levels and mitigate atmospheric CO2 rise is through photocatalytic CO2 reduction. Titanium dioxide (TiO2), renowned for its affordability, stability, availability, and eco-friendliness, stands out as an exemplary catalyst in photocatalytic CO2 reduction. Various strategies have been proposed to modify TiO2 for photocatalytic CO2 reduction and improve catalytic activity and product selectivity. However, few studies have systematically summarized these strategies and analyzed their advantages, disadvantages, and current progress. Here, we comprehensively review recent advancements in TiO2 engineering, focusing on crystal engineering, interface design, and reactive site construction to enhance photocatalytic efficiency and product selectivity. We discuss how modifications in TiO2's optical characteristics, carrier migration, and active site design have led to varied and selective CO2 reduction products. These enhancements are thoroughly analyzed through experimental data and theoretical calculations. Additionally, we identify current challenges and suggest future research directions, emphasizing the role of TiO2-based materials in understanding photocatalytic CO2 reduction mechanisms and in designing effective catalysts. This review is expected to contribute to the global pursuit of carbon neutrality by providing foundational insights into the mechanisms of photocatalytic CO2 reduction with TiO2-based materials and guiding the development of efficient photocatalysts.
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Affiliation(s)
- Zhimin Yuan
- School of Chemistry & Chemical Engineering and Environmental Engineering, Weifang University, Weifang, 261061, PR China
| | - Xianglin Zhu
- Institute for Energy Research, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Xianqiang Gao
- College of Forestry, Shandong Agricultural University, Taian, 271018, PR China
| | - Changhua An
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, 300384, PR China
| | - Zheng Wang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China
| | - Cheng Zuo
- School of Chemistry & Chemical Engineering and Environmental Engineering, Weifang University, Weifang, 261061, PR China
| | - Dionysios D. Dionysiou
- Environmental Engineering and Science Program, Department of Chemical and Environmental Engineering (DChEE), University of Cincinnati, Cincinnati, OH, 45221-0012, USA
| | - Hong He
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China
| | - Zaiyong Jiang
- School of Chemistry & Chemical Engineering and Environmental Engineering, Weifang University, Weifang, 261061, PR China
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China
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11
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Zheng Z, Liu K, Zhou Y, Xu K, Debliquy M, Zhang C. Room-Temperature Sensing Mechanism of GQDs/BiSbO 4 Nanorod Clusters: Experimental and Density Functional Theory Study. ACS Sens 2024; 9:3346-3356. [PMID: 38898684 DOI: 10.1021/acssensors.4c00670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Creating high-performance gas sensors for heptanal detection at room temperature demands the development of sensing materials that incorporate distinct spatial configurations, functional components, and active surfaces. In this study, we employed a straightforward method combining hydrothermal strategy with ultrasonic processing to produce mesoporous graphene quantum dots/bismuth antimonate (GQDs/BiSbO4) with nanorod cluster forms. The BiSbO4 was incorporated with appropriate contents of GQDs resulting in significantly improved attributes such as heightened sensitivity (59.6@30 ppm), a lower threshold for detection (356 ppb), and quicker period for response (40 s). A synergistic mechanism that leverages the inherent advantages of BiSbO4 was proposed, while its distinctive mesoporous hollow cubic structure, the presence of oxygen vacancies, and the catalytic enhancement provided by GQDs lead to a marked improvement in heptanal detection. This work introduces a straightforward and effective method for crafting sophisticated micro-nanostructures that optimize spatial design, functionality, and active mesoporous surfaces, showing great promise for heptanal sensing applications.
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Affiliation(s)
- Zichen Zheng
- College of Mechanical Engineering, Yangzhou University, Yangzhou, Jiangsu Province 225127, P. R. China
| | - Kewei Liu
- College of Mechanical Engineering, Yangzhou University, Yangzhou, Jiangsu Province 225127, P. R. China
| | - Yiwen Zhou
- College of Mechanical Engineering, Yangzhou University, Yangzhou, Jiangsu Province 225127, P. R. China
| | - Kaichun Xu
- College of Mechanical Engineering, Yangzhou University, Yangzhou, Jiangsu Province 225127, P. R. China
| | - Marc Debliquy
- Service de Science des Matériaux, Faculté Polytechnique, Université de Mons, Mons 7000, Belgium
| | - Chao Zhang
- College of Mechanical Engineering, Yangzhou University, Yangzhou, Jiangsu Province 225127, P. R. China
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12
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Soni H, Bhattu M, Sd P, Kaur M, Verma M, Singh J. Recent advances in waste-derived carbon dots and their nanocomposites for environmental remediation and biological applications. ENVIRONMENTAL RESEARCH 2024; 251:118560. [PMID: 38447603 DOI: 10.1016/j.envres.2024.118560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 02/22/2024] [Accepted: 02/24/2024] [Indexed: 03/08/2024]
Abstract
The surging demand for eco-friendly nanomaterial synthesis has spurred the emergence of green approaches for synthesizing carbon dots (CDs). These methods utilized natural carbon sources, such as different kind of waste for CDs synthesis, underscoring their significance in waste management and circular economy initiatives. Furthermore, the properties of CDs can be tailored by their functionalization with different materials, enabling their versatile utilization in diverse scientific domains. In this regard, the current study delves into an in-depth review of recent advances in the green/sustainable fabrication of carbon dots nanocomposites (CDNCs) with metal/metal oxides and polymers within the timeframe of 2019-2023. It begins by categorizing different types of CDs, analyzing their associated nanocomposites with mechanistic insights. The primary focus is on green synthesis methods, particularly those that employ waste materials. Furthermore, we also discussed the applications of these CDs in both environmental and biological fields by covering areas such as catalysis, photocatalysis, heavy metal ion sensing, antimicrobial, and bioimaging with in-depth underlying mechanisms. At last, the review highlights the significant challenges with future directions. These include the pursuit of cost-effective green precursors, the advancement of streamlined one-step synthesis techniques, and their efficient utilization for diverse applications. Therefore, this review provides valuable insights for researchers seeking to enhance the functionality and sustainability of CDNCs by highlighting their potential to address environmental and biological challenges.
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Affiliation(s)
- Himanshi Soni
- Department of Chemistry, Chandigarh University, Mohali-140413, Punjab, India
| | - Monika Bhattu
- Department of Chemistry, Chandigarh University, Mohali-140413, Punjab, India; University Centre for Research and Development, Chandigarh University, Mohali-140413, Punjab, India
| | - Priya Sd
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica-1000000, Chile
| | - Manvinder Kaur
- Department of Chemistry, Chandigarh University, Mohali-140413, Punjab, India
| | - Meenakshi Verma
- Department of Chemistry, Chandigarh University, Mohali-140413, Punjab, India; University Centre for Research and Development, Chandigarh University, Mohali-140413, Punjab, India.
| | - Jagpreet Singh
- Department of Chemistry, Chandigarh University, Mohali-140413, Punjab, India; University Centre for Research and Development, Chandigarh University, Mohali-140413, Punjab, India.
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13
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Yu W, Chamkouri H, Chen L. Recent advancement on quantum dot-coupled heterojunction structures in catalysis:A review. CHEMOSPHERE 2024; 357:141944. [PMID: 38614402 DOI: 10.1016/j.chemosphere.2024.141944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/20/2024] [Accepted: 04/06/2024] [Indexed: 04/15/2024]
Abstract
Photoelectrocatalysis stands as an exceptionally efficient and sustainable method, significantly addressing both energy scarcity and environmental pollution challenges. Within this realm, quantum dots (QDs) have garnered immense attention for their outstanding catalytic properties. Their unique features-cost-effectiveness, high efficiency, remarkable stability, and exceptional photovoltaic characteristics-set them apart from other tunable semiconductor materials. Heterojunction structures based on quantum dots remarkably boost solar energy conversion efficiency. This review aims to provide a comprehensive overview of the impacts generated by heterojunctions formed using diverse quantum dots and delve into their catalytic applications. Moreover, it sheds light on recent advancements utilizing quantum dots in modifying optoelectronic semiconductor materials for diverse purposes, ranging from hydrogen (H2) generation to carbon and nitrogen reduction, as well as pollutant degradation. Additionally, the paper offers valuable insights into challenges faced by quantum dot applications and outlines promising future prospects.
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Affiliation(s)
- Wenkai Yu
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Hossein Chamkouri
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Lei Chen
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, 230009, China; Intelligent Manufacturing Institute of HFUT, Hefei, 230051, China.
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14
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Kadamannil NN, Shames AI, Bisht R, Biswas S, Shauloff N, Lee H, Kim JM, Jelinek R. Light-Induced Self-Assembled Polydiacetylene/Carbon Dot Functional "Honeycomb". ACS APPLIED MATERIALS & INTERFACES 2024; 16:22593-22603. [PMID: 38626352 DOI: 10.1021/acsami.4c03368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2024]
Abstract
The design of functional supramolecular assemblies from individual molecular building blocks is a fundamental challenge in chemistry and material science. We report on the fabrication of "honeycomb" films by light-induced coassembly of diacetylene derivatives and carbon dots. Specifically, modulating noncovalent interactions between the carbon dots, macrocyclic diacetylene, and anthraquinone diacetylene facilitates formation of thin films exhibiting a long-range, uniform pore structure. We show that light irradiation at distinct wavelengths plays a key role in the assembly process and generation of unique macro-porous morphology, by both initiating interactions between the carbon dots and the anthraquinone moieties and giving rise to the topotactic polymerization of the polydiacetylene network. We further demonstrate utilization of the macro-porous film as a photocatalytic platform for water pollutant degradation and as potential supercapacitor electrodes, both applications taking advantage of the high surface area, hydrophobicity, and pore structure of the film.
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Affiliation(s)
| | - Alexander I Shames
- Department of Physics, Ben Gurion University of the Negev, Beer Sheva 8410501, Israel
| | - Rajesh Bisht
- Department of Chemistry, Ben Gurion University of the Negev, Beer Sheva 8410501, Israel
| | - Sudipta Biswas
- Department of Chemistry, Ben Gurion University of the Negev, Beer Sheva 8410501, Israel
| | - Nitzan Shauloff
- Department of Chemistry, Ben Gurion University of the Negev, Beer Sheva 8410501, Israel
| | - Haksu Lee
- Department of Chemical Engineering, Hanyang University, Seoul 04763, Korea
| | - Jong-Man Kim
- Department of Chemical Engineering, Hanyang University, Seoul 04763, Korea
| | - Raz Jelinek
- Department of Chemistry, Ben Gurion University of the Negev, Beer Sheva 8410501, Israel
- Ilse Katz Institute for Nanoscale Science & Technology, Ben Gurion University of the Negev, Beer Sheva 8410501, Israel
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15
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Xia R, Cheng J, Chen Z, Zhang Z, Zhou X, Zhou J, Zhang M. Atomic Pyridinic Nitrogen as Highly Active Metal-Free Coordination Sites at the Biotic-Abiotic Interface for Bio-Electrochemical CO 2 Reduction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2306331. [PMID: 38054812 DOI: 10.1002/smll.202306331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 11/21/2023] [Indexed: 12/07/2023]
Abstract
Bio-electrochemical conversion of anthropogenic CO2 into value-added products using cost-effective metal-free catalysts represents a promising strategy for sustainable fuel production. Herein, N-doped carbon nanosheets synthesized via pyrolysis of the zeolitic-imidazolate framework (ZIF) are developed for constructing efficient biohybrids to facilitate CO2-to-CH4 conversion. The microbial enrichment and bio-interfacial charge transfer are significantly affected by the proportion of the co-existed graphitic-N, pyridinic-N, and pyrrolic-N in the defective carbon nanosheets. It is unfolded that pyridinic-N and pyrrolic-N with the doped N atoms near the edge can significantly enhance the adsorption of their adjacent C atoms toward O, leading to improved microbe enrichment. Especially, pyridinic-N which can provide one p electron to the aromatic π system, greatly enhances the electron-donating capability of the carbon nanosheets to the microorganisms. Correspondingly, due to its largest amount of pyridinic-N doping, the N-doped carbon nanosheets derived from ZIF pyrolysis at 900 °C (denoted 900-NC) achieve the highest methane production of ≈215.7 mmol m-2 day-1 with a high selectivity (Faradaic efficiency = ≈94.2%) at -0.9 V versus Ag/AgCl. This work demonstrates the effectiveness of N-doped carbon catalysts for bio-electrochemical CO2 fixation and contributes to the understanding of N functionalities toward microbiome response and biotic-abiotic charge transfer in various bio-electrochemical systems.
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Affiliation(s)
- Rongxin Xia
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, China
| | - Jun Cheng
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, China
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems of Ministry of Education, Chongqing University, Chongqing, 400044, China
| | - Zhuo Chen
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, China
| | - Ze Zhang
- Shanghai Institute of Space Propulsion, Shanghai, 201112, China
- Shanghai Academy of Spaceflight Technology (SAST), Shanghai, 201109, China
| | - Xinyi Zhou
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, China
| | - Junhu Zhou
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, China
| | - Meng Zhang
- State Key Laboratory for Extreme Photonics and Instrumentation, College of Optical Science and Engineering, International Research Center for Advanced Photonics, Zhejiang University, Hangzhou, 310027, China
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16
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Wang J, Song J, Kang X, Wang D, Tian C, Zhang Q, Zhao H, Liu J. Carbon Dots Anchoring Single-Atom Pt on C 3N 4 Boosting Photocatalytic Hydrogen Evolution. Molecules 2024; 29:1890. [PMID: 38675710 PMCID: PMC11055151 DOI: 10.3390/molecules29081890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 04/16/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024] Open
Abstract
Carbon nitride (C3N4) has gained considerable attention and has been regarded as an ideal candidate for photocatalytic hydrogen evolution. However, its photocatalytic efficiency is still unsatisfactory due to the rapid recombination rate of photo-generated carriers and restricted surface area with few active sites. Herein, we successfully synthesized a single-atom Pt cocatalyst-loaded photocatalyst by utilizing the anchoring effect of carbon dots (CDs) on C3N4. The introduction of CDs onto the porous C3N4 matrix can greatly enhance the specific surface area of C3N4 to provide more surface-active sites, increase light absorption capabilities, as well as improve the charge separation efficiency. Notably, the functional groups of CDs can efficiently anchor the single-atom Pt, thus improving the atomic utilization efficiency of Pt cocatalysts. A strong interaction is formed via the connection of Pt-N bonds, which enhances the efficiency of photogenerated electron separation. This unique structure remarkably improves its H2 evolution performance under visible light irradiation with a rate of 15.09 mmol h-1 g-1. This work provides a new approach to constructing efficient photocatalysts by using CDs for sustainable hydrogen generation, offering a practical approach to utilizing solar energy for clean fuel production.
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Affiliation(s)
| | | | | | | | | | | | | | - Jiancong Liu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, Heilongjiang University, Harbin 150080, China; (J.W.); (J.S.); (X.K.); (D.W.); (C.T.); (Q.Z.); (H.Z.)
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17
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Ge M, Yin H, Tian W, Zhang H, Li S, Wang S, Chen Z. Electrostatically induced Furfural-Derived carbon Dots-CdS hybrid for solar Light-Driven hydrogen production. J Colloid Interface Sci 2024; 660:147-156. [PMID: 38241863 DOI: 10.1016/j.jcis.2024.01.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 12/31/2023] [Accepted: 01/04/2024] [Indexed: 01/21/2024]
Abstract
Carbon dots (CDs) exhibit distinctive optical, electronic, and physicochemical properties, rendering them effective cocatalysts to enhance the photocatalytic performance of light-absorbing materials. The interplay between CDs and substrates is pivotal in manipulating photogenerated charge separation, transfer, and redistribution, significantly influencing overall photocatalytic efficiency. This study introduces a novel electrostatic interaction strategy to interface positively charged CdS nanorods (CdS NRs) with negatively charged furfural-derived CDs. The resulting optimized composite (25-CDs@CdS NRs), showcases photocatalytic hydrogen production at a rate of 1076 μmol g-1h-1. Experimental analyses and theoretical simulations offer insights into the structure-activity relationship, underscoring the crucial role of enhanced electrostatic interaction between CDs and CdS NRs in facilitating efficient charge transfer, activating reaction sites, and improving reaction kinetics. This research establishes an adaptable strategy for integrating CDs with metal-based semiconductors, opening new avenues for developing photocatalytic hybrid assemblies.
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Affiliation(s)
- Min Ge
- Key Laboratory of Bio-based Material Science & Technology (Northeast Forestry University), Ministry of Education, Harbin 150040, China
| | - Hanqing Yin
- School of Chemistry and Physics and QUT, Centre for Materials Science, Queensland University of Technology, Brisbane, QLD 4001, Australia
| | - Wenjie Tian
- School of Chemical Engineering, The University of Adelaide, Adelaide, South Australia, 5005, Australia
| | - Huayang Zhang
- School of Chemical Engineering, The University of Adelaide, Adelaide, South Australia, 5005, Australia.
| | - Shujun Li
- Key Laboratory of Bio-based Material Science & Technology (Northeast Forestry University), Ministry of Education, Harbin 150040, China.
| | - Shaobin Wang
- School of Chemical Engineering, The University of Adelaide, Adelaide, South Australia, 5005, Australia
| | - Zhijun Chen
- Key Laboratory of Bio-based Material Science & Technology (Northeast Forestry University), Ministry of Education, Harbin 150040, China.
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18
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Gao K, Cheng Y, Zhang Z, Huo X, Guo C, Fu W, Xu J, Hou GL, Shang X, Zhang M. Guest-Regulated Generation of Reactive Oxygen Species from Porphyrin-Based Multicomponent Metallacages for Selective Photocatalysis. Angew Chem Int Ed Engl 2024; 63:e202319488. [PMID: 38305830 DOI: 10.1002/anie.202319488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 02/02/2024] [Accepted: 02/02/2024] [Indexed: 02/03/2024]
Abstract
The development of novel materials for highly efficient and selective photocatalysis is crucial for their practical applications. Herein, we employ the host-guest chemistry of porphyrin-based metallacages to regulate the generation of reactive oxygen species and further use them for the selective photocatalytic oxidation of benzyl alcohols. Upon irradiation, the sole metallacage (6) can generate singlet oxygen (1O2) effectively via excited energy transfer, while its complex with C70 (6⊃C70) opens a pathway for electron transfer to promote the formation of superoxide anion (O2⋅-), producing both 1O2 and O2⋅-. The addition of 4,4'-bipyridine (BPY) to complex 6⊃C70 forms a more stable complex (6⊃BPY) via the coordination of the Zn-porphyrin faces of 6 and BPY, which drives fullerenes out of the cavities and restores the ability of 1O2 generation. Therefore, benzyl alcohols are oxidized into benzyl aldehydes upon irradiation in the presence of 6 or 6⊃BPY, while they are oxidized into benzoic acids when 6⊃C70 is employed as the photosensitizing agent. This study demonstrates a highly efficient strategy that utilizes the host-guest chemistry of metallacages to regulate the generation of reactive oxygen species for selective photooxidation reactions, which could promote the utilization of metallacages and their related host-guest complexes for photocatalytic applications.
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Affiliation(s)
- Ke Gao
- State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, 710049, Xi'an, P. R. China
| | - Ying Cheng
- State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, 710049, Xi'an, P. R. China
| | - Zeyuan Zhang
- State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, 710049, Xi'an, P. R. China
| | - Xingda Huo
- State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, 710049, Xi'an, P. R. China
| | - Chenxing Guo
- College of Chemistry and Environmental Engineering, Shenzhen University, 518055, Shenzhen, P. R. China
| | - Wenlong Fu
- State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, 710049, Xi'an, P. R. China
| | - Jianzhi Xu
- MOE Key Laboratory for Non-Equilibrium Synthesis and Modulation of Condensed Matter, School of, Physics, Xi'an Jiaotong University, 710049, Xi'an, P. R. China
| | - Gao-Lei Hou
- MOE Key Laboratory for Non-Equilibrium Synthesis and Modulation of Condensed Matter, School of, Physics, Xi'an Jiaotong University, 710049, Xi'an, P. R. China
| | - Xiaobo Shang
- State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, 710049, Xi'an, P. R. China
| | - Mingming Zhang
- State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, 710049, Xi'an, P. R. China
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19
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Chen M, Liu C, Sun H, Yang F, Hou D, Zheng Y, Shi R, He X, Lin X. Application of Multicolor Fluorescent Carbon Dots Based on Tea Polyphenols in a White Light-Emitting Diode and Room-Temperature Phosphorescence. ACS APPLIED MATERIALS & INTERFACES 2024; 16:9182-9189. [PMID: 38343193 DOI: 10.1021/acsami.3c18131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Carbon dots (CDs) are new carbon nanomaterials, among which those prepared from biomass are popular due to their excellent optical properties and environmental friendliness. As representative natural phenolic compounds, tea polyphenols are ideal precursors with fluorescent aromatic rings and phenolic hydroxyl structures. Usually, polyphenolic precursors can only be used to produce blue or green fluorescent CDs, and fluorescence in long wavelength domains, such as orange or red, cannot be achieved. Herein, the high reactivity of the phenolic hydroxyl groups in tea polyphenols with o-phthalaldehyde was exploited to modulate the pH during the carbonation process, which led to redshifts of the fluorescence wavelengths. Different pH values during the reaction caused the precursors to take different reaction paths and form fluorescent groups exhibiting different conjugated structures, resulting in carbon dots providing different fluorescent colors. Finally, by utilizing the in situ hydrolysis of ethyl orthosilicate, the tea polyphenol-based carbon dots were embedded into a silica matrix, inducing phosphorescence of the carbon dots. This study provides a new approach for green preparation and application of natural polyphenolic CDs.
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Affiliation(s)
- Menglin Chen
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forestry Resources, Southwest Forestry University, 300 Bailong Road, Kunming 650224, Yunnan Province, China
| | - Can Liu
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forestry Resources, Southwest Forestry University, 300 Bailong Road, Kunming 650224, Yunnan Province, China
- Yunnan Provincial Key Laboratory for Conservation and Utilization of In-forest Resource, Southwest Forestry University, Kunming 650224, Yunnan Province, China
| | - Hao Sun
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forestry Resources, Southwest Forestry University, 300 Bailong Road, Kunming 650224, Yunnan Province, China
| | - Fulin Yang
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forestry Resources, Southwest Forestry University, 300 Bailong Road, Kunming 650224, Yunnan Province, China
| | - Defa Hou
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forestry Resources, Southwest Forestry University, 300 Bailong Road, Kunming 650224, Yunnan Province, China
| | - Yunwu Zheng
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forestry Resources, Southwest Forestry University, 300 Bailong Road, Kunming 650224, Yunnan Province, China
| | - Rui Shi
- Yunnan Provincial Key Laboratory for Conservation and Utilization of In-forest Resource, Southwest Forestry University, Kunming 650224, Yunnan Province, China
| | - Xiahong He
- Yunnan Provincial Key Laboratory for Conservation and Utilization of In-forest Resource, Southwest Forestry University, Kunming 650224, Yunnan Province, China
| | - Xu Lin
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forestry Resources, Southwest Forestry University, 300 Bailong Road, Kunming 650224, Yunnan Province, China
- Yunnan Provincial Key Laboratory for Conservation and Utilization of In-forest Resource, Southwest Forestry University, Kunming 650224, Yunnan Province, China
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20
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Kaur I, Batra V, Bogireddy NK, Baveja J, Kumar Y, Agarwal V. Chemical- and green-precursor-derived carbon dots for photocatalytic degradation of dyes. iScience 2024; 27:108920. [PMID: 38352227 PMCID: PMC10863327 DOI: 10.1016/j.isci.2024.108920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024] Open
Abstract
Rapid industrialization and untreated industrial effluents loaded with toxic and carcinogenic contaminants, especially dyes that discharge into environmental waters, have led to a rise in water pollution, with a substantial adverse impact on marine life and humankind. Photocatalytic techniques are one of the most successful methods that help in degradation and/or removal of such contaminants. In recent years, semiconductor quantum dots are being substituted by carbon dots (CDs) as photocatalysts, due to the ease of formation, cost-effectiveness, possible sustainability and scalability, much lower toxicity, and above all its high capacity to harvest sunlight (UV, visible, and near infrared) through electron transfer that enhances the lifetime of the photogenerated charge carriers. A better understanding between the properties of the CDs and their role in photocatalytic degradation of dyes and contaminants is required for the formation of controllable structures and adjustable outcomes. The focus of this review is on CDs and its composites as photocatalysts obtained from different sustainable green as well as chemical precursors. Apart from the synthesis, characterization, and properties of the CDs, the study also highlights the effect of different parameters on the photocatalytic properties of CDs and their composites for catalytic dye degradation mechanisms in detail. Besides the present research development in the field, potential challenges and future perspectives are also presented.
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Affiliation(s)
- Inderbir Kaur
- Department of Electronic Science, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi, India
| | - Vandana Batra
- Department of Physics, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi, India
| | | | - Jasmina Baveja
- Invited Researcher at Center for Research in Engineering and Applied Sciences (CIICAp-IICBA), Autonomous State University of Morelos (UAEM), Av. Univ. 1001, Col. Chamilpa, Cuernavaca, Morelos 62209, Mexico
| | - Y. Kumar
- Departamento de Fisico Matematica, UANL, Monterrey, Mexico
| | - V. Agarwal
- Center for Research in Engineering and Applied Sciences (CIICAp-IICBA), Autonomous State University of Morelos (UAEM), Av. Univ. 1001, Col. Chamilpa, Cuernavaca, Morelos 62209, Mexico
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21
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Zhen D, Zhang S, Zhang X, Zhang H, Wang J, Chen B, Liu Y, Luo X. Natural chitosan-based carbon dots as an eco-friendly and effective corrosion inhibitor for mild steel in HCl solution. Int J Biol Macromol 2023; 253:126449. [PMID: 37633561 DOI: 10.1016/j.ijbiomac.2023.126449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 08/17/2023] [Accepted: 08/19/2023] [Indexed: 08/28/2023]
Abstract
Polysaccharide chitosan and L-histidine were applied to synthesize chitosan-based carbon dots (CA-CDs) by a simple laser ablation method. After characterization of the CA-CDs by FT-IR, UV-vis, Raman, XRD, TEM, and XPS, the CA-CDs were introduced as an eco-friendly and high-performance corrosion inhibitor for mild steel (MS) in 1.0 M HCl solution. The inhibition action and mechanism of CA-CDs were determined by weight loss and electrochemical measurements, in combination with SEM, AFM, and XPS. The results show that CA-CDs as mixed-type inhibitors could effectively weaken the corrosion of MS in 1.0 M HCl solution, and their maximum inhibition efficiency reaches 97.4 % at 40 mg L-1. The adsorption behavior of CA-CDs well obeys the Langmuir adsorption isotherm containing both chemisorption and physisorption. The chemisorption mainly results from the multiple adsorption sites in the CA-CDs, and the physical adsorption is due to the blocking and barrier effect of CA-CD nanoparticles. Both adsorption behaviors were proposed to elucidate the corrosion inhibition mechanism of CA-CDs.
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Affiliation(s)
- Deshuai Zhen
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, PR China; Engineering Research Center of Loss Efficacy and Anticorrosion of Materials of Guizhou, School of Chemistry and Chemical Engineering, Qiannan Normal University for Nationalities, Duyun, Guizhou 558000, PR China; State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, PR China
| | - Shaoqi Zhang
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, PR China; State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, PR China
| | - Xinyu Zhang
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, PR China; State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, PR China
| | - Hongjian Zhang
- State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, PR China
| | - Jue Wang
- Engineering Research Center of Loss Efficacy and Anticorrosion of Materials of Guizhou, School of Chemistry and Chemical Engineering, Qiannan Normal University for Nationalities, Duyun, Guizhou 558000, PR China.
| | - Bo Chen
- State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, PR China
| | - Yali Liu
- State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, PR China
| | - Xiaohu Luo
- Engineering Research Center of Loss Efficacy and Anticorrosion of Materials of Guizhou, School of Chemistry and Chemical Engineering, Qiannan Normal University for Nationalities, Duyun, Guizhou 558000, PR China; State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, PR China.
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22
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Niu KK, Zhang RZ, Yang XZ, Ma CQ, Liu H, Yu S, Xing LB. Nitrogen-doped Carbon Dots as Efficient Photocatalysts for High Selectivity of Dehalogenative Oxyalkylation of Styrene. CHEMSUSCHEM 2023:e202301686. [PMID: 38135666 DOI: 10.1002/cssc.202301686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/11/2023] [Accepted: 12/22/2023] [Indexed: 12/24/2023]
Abstract
Carbon dots (CDs) are a type of carbon-based luminescent material with a zero-dimensional structure and a size of less than 10 nm, which are composed of sp2 /sp3 hybrid carbon nuclei and surface functional groups. Because CDs has strong photoluminescence and good light absorption in the ultraviolet and near visible regions, it is an excellent candidate for photocatalytic applications. However, the use of nonmetallic doped CDs as photosensitizers for direct photocatalytic organic reactions has been limited to several scattered reports. Herein, we present nitrogen-doped carbon dots (N-CDs) that has a capability for not only produce reactive oxygen species (ROS), including superoxide anion radical (O2 ⋅- ) and singlet oxygen (1 O2 ), but also provide an unprecedented high activity of dehalogenative oxyalkylation of styrene with a yield of 93 %. This work develops a novel opportunity to utilize cost-effective and easily accessible CDs for the advancement of photocatalysis.
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Affiliation(s)
- Kai-Kai Niu
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China
| | - Rong-Zhen Zhang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China
| | - Xuan-Zong Yang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China
| | - Chao-Qun Ma
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China
| | - Hui Liu
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China
| | - Shengsheng Yu
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China
| | - Ling-Bao Xing
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China
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23
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Luo Y, Guo Y. Nanomaterials for fluorescent detection of vitamin B 2: A review. Anal Biochem 2023; 683:115351. [PMID: 37858879 DOI: 10.1016/j.ab.2023.115351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 10/16/2023] [Accepted: 10/17/2023] [Indexed: 10/21/2023]
Abstract
Vitamin B2 plays vital roles in maintaining human health. It is of tremendous significance to construct sensitive sensors of VB2. In this review, we first briefly presented the sensing mechanisms of fluorescent nanomaterials for sensing VB2. Subsequently, the advances of nanomaterials for fluorescent determination of VB2 were highlighted. And sensing performance of traditional approaches and fluorescent nanosensors was further compared. In last section, the challenges and perspectives concerning the topic were discussed.
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Affiliation(s)
- Yanjuan Luo
- Zhejiang Engineering Research Center of Fat-soluble Vitamin, Shaoxing University, Shaoxing, 312000, China
| | - Yongming Guo
- Zhejiang Engineering Research Center of Fat-soluble Vitamin, Shaoxing University, Shaoxing, 312000, China; School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, Nanjing, 210044, China.
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24
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Lin S, Lai C, Huang Z, Liu W, Xiong L, Wu Y, Jin Y. Sustainable synthesis of lignin-derived carbon dots with visible pH response for Fe 3+ detection and bioimaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 302:123111. [PMID: 37437461 DOI: 10.1016/j.saa.2023.123111] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 06/05/2023] [Accepted: 07/05/2023] [Indexed: 07/14/2023]
Abstract
Synthesis of lignin-based carbon dots (LCDs) with high quantum yield (QY), stable fluorescence properties and biocompatibility has been a challenge. Here, we propose an improved two-step strategy for producing high-quality LCDs from enzymatic hydrolysis lignin (EHL). The p-aminobenzenesulfonic acid used in the strategy not only provides nitrogen and sulfur elements, but also tailors the disordered three-dimensional structure of EHL. The successful co-doping of N and S elements favors the reduction of the optical energy bandgap (Eg), resulting in a high QY of 45.05% for LCDs. The LCDs exhibited superior selectivity and sensitivity for Fe3+ with a limit of detection (LOD) of 0.15 μM when Fe3+ concentration was 50-500 μM. In addition, LCDs demonstrated significant fluorescence in HepG2 cells and HepG2 cells loaded with LCDs at a concentration of 80 μg/mL showed good viability, suggesting that they are suitable for in vivo applications. The luminescent centers of LCDs change during pH regulation and thus show a special visual response to pH changes, making them have great potential for detecting metabolism in living cells. This work provides a novel and low-cost method for fabricating sustainable fluorescent probes for chemical sensing and bioimaging.
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Affiliation(s)
- Simin Lin
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Chunmei Lai
- College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Zejie Huang
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Wei Liu
- Fujian College Association Instrumental Analysis Center of Fuzhou University, Fuzhou University, Fuzhou 350108, China
| | - Lei Xiong
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Yuxin Wu
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Yanqiao Jin
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China.
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25
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Sheikh MA, Chandok RS, Abida K. High energy density storage, antifungal activity and enhanced bioimaging by green self-doped heteroatom carbon dots. DISCOVER NANO 2023; 18:132. [PMID: 37870636 PMCID: PMC10593680 DOI: 10.1186/s11671-023-03910-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 10/19/2023] [Indexed: 10/24/2023]
Abstract
Self-heteroatom-doped N-carbon dots (N-CDs) with a 2.35 eV energy gap and a 65.5% fluorescence quantum yield were created using a one-step, efficient, inexpensive, and environmentally friendly microwave irradiation method. FE-SEM, EDX, FT-IR, XRD, UV-VIS spectroscopy, FL spectroscopy, and CV electrochemical analysis were used to characterise the produced heteroatom-doped N-CDs. The graphitic carbon dot surface is doped with heteroatom functional groups such (S, P, K, Mg, Zn) = 1%, in addition to the additional passivating agent (N), according to the EDX surface morphology and the spontaneous heteroatom doping was caused by the heterogeneous chemical composition of pumpkin seeds. These spontaneous heteroatom-doped N-CDs possess quasispherical amorphous graphitic structure with an average size of less than 10 nm and the interplaner distance of 0.334 nm. Calculations utilising cyclic voltammetry showed that the heteroatom-doped N-CDs placed on nickel electrodes had a high specific capacitance value of 1044 F/g at a scan rate of 10 mV/s in 3 M of KOH electrolyte solution. Furthermore, it demonstrated a high energy and power density of 28.50 Wh/kg and 3350 W/kg, respectively. The higher value of specific capacitance and energy density were attributed to the fact that the Ni/CDs electrode material possesses both EDLC and PC properties due to the sufficient surface area and the multiple active sites of the prepared N-CDs. Furthermore, the heteroatom N-CDs revealed the antifungal action and bioimaging of the "Cladosporium cladosporioides" mould, which is mostly accountable for economic losses in agricultural products. The functional groups of nitrogen, sulphur, phosphorus, and zinc on the surface of the CDs have strong antibacterial and antifungal properties as well as fluorescence enhanced bioimaging.
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Affiliation(s)
| | - R S Chandok
- Sri Guru Tegh Bahadur Khalsa College, Jabalpur, India
| | - Khan Abida
- Government Degree College for Women Anantnag, Srinagar, India
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26
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Yang Z, Xu T, Li H, She M, Chen J, Wang Z, Zhang S, Li J. Zero-Dimensional Carbon Nanomaterials for Fluorescent Sensing and Imaging. Chem Rev 2023; 123:11047-11136. [PMID: 37677071 DOI: 10.1021/acs.chemrev.3c00186] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
Advances in nanotechnology and nanomaterials have attracted considerable interest and play key roles in scientific innovations in diverse fields. In particular, increased attention has been focused on carbon-based nanomaterials exhibiting diverse extended structures and unique properties. Among these materials, zero-dimensional structures, including fullerenes, carbon nano-onions, carbon nanodiamonds, and carbon dots, possess excellent bioaffinities and superior fluorescence properties that make these structures suitable for application to environmental and biological sensing, imaging, and therapeutics. This review provides a systematic overview of the classification and structural properties, design principles and preparation methods, and optical properties and sensing applications of zero-dimensional carbon nanomaterials. Recent interesting breakthroughs in the sensitive and selective sensing and imaging of heavy metal pollutants, hazardous substances, and bioactive molecules as well as applications in information encryption, super-resolution and photoacoustic imaging, and phototherapy and nanomedicine delivery are the main focus of this review. Finally, future challenges and prospects of these materials are highlighted and envisaged. This review presents a comprehensive basis and directions for designing, developing, and applying fascinating fluorescent sensors fabricated based on zero-dimensional carbon nanomaterials for specific requirements in numerous research fields.
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Affiliation(s)
- Zheng Yang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
- College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, P. R. China
| | - Tiantian Xu
- College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, P. R. China
| | - Hui Li
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
- College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, P. R. China
| | - Mengyao She
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
- Ministry of Education Key Laboratory of Resource Biology and Modern Biotechnology in Western China, Provincial Key Laboratory of Biotechnology of Shaanxi, The College of Life Sciences, Northwest University, Xi'an 710069, P. R. China
| | - Jiao Chen
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
- Ministry of Education Key Laboratory of Resource Biology and Modern Biotechnology in Western China, Provincial Key Laboratory of Biotechnology of Shaanxi, The College of Life Sciences, Northwest University, Xi'an 710069, P. R. China
| | - Zhaohui Wang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Shengyong Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Jianli Li
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
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27
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Kang H, Tan L, Han JT, Huang CY, Su H, Kavun A, Li CJ. Acceptorless cross-dehydrogenative coupling for C(sp 3)-H heteroarylation mediated by a heterogeneous GaN/ketone photocatalyst/photosensitizer system. Commun Chem 2023; 6:181. [PMID: 37658203 PMCID: PMC10474291 DOI: 10.1038/s42004-023-00947-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 06/30/2023] [Indexed: 09/03/2023] Open
Abstract
Alkanes are naturally abundant chemical building blocks that contain plentiful C(sp3)-H bonds. While inert, the activation of C(sp3)-H via hydrogen atom abstraction (HAT) stages an appealing approach to generate alkyl radicals. However, prevailing shortcomings include the excessive use of oxidants and alkanes that impede scope. We herein show the use of gallium nitride (GaN) as a non-toxic, recyclable, heterogeneous photocatalyst to enable alkyl C(sp3)-H in conjunction with the catalytic use of simple photosensitizer, benzophenone, to promote the desired alkyl radical generation. The dual photocatalytic cycle enables cross-dehydrogenative Minisci alkylation under mild and chemical oxidant-free conditions.
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Affiliation(s)
- Hyotaik Kang
- Department of Chemistry, FRQNT Centre for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street W., Montréal, Québec, H3A0B8, Canada.
| | - Lida Tan
- Department of Chemistry, FRQNT Centre for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street W., Montréal, Québec, H3A0B8, Canada
| | - Jing-Tan Han
- Department of Chemistry, FRQNT Centre for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street W., Montréal, Québec, H3A0B8, Canada
| | - Chia-Yu Huang
- Department of Chemistry, FRQNT Centre for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street W., Montréal, Québec, H3A0B8, Canada
| | - Hui Su
- Department of Chemistry, FRQNT Centre for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street W., Montréal, Québec, H3A0B8, Canada
| | - Aleksei Kavun
- Department of Chemistry, FRQNT Centre for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street W., Montréal, Québec, H3A0B8, Canada
| | - Chao-Jun Li
- Department of Chemistry, FRQNT Centre for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street W., Montréal, Québec, H3A0B8, Canada
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28
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Khan S, Noor T, Iqbal N, Pervaiz E, Yaqoob L. A zeolitic imidazolate framework (ZIF-67) and graphitic carbon nitride (g-C 3N 4) composite based efficient electrocatalyst for overall water-splitting reaction. RSC Adv 2023; 13:24973-24987. [PMID: 37614795 PMCID: PMC10442768 DOI: 10.1039/d3ra04783k] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 08/16/2023] [Indexed: 08/25/2023] Open
Abstract
Designing of non-noble, cost-effective, sustainable catalysts for water splitting is essential for hydrogen production. In this research work, ZIF-67, g-C3N4, and their composite (1, 3, 5, 6, 8 wt% g-C3N4@ZIF-67) are synthesized, and various techniques, XRD, FTIR, SEM, EDX and BET are used to examine their morphological properties for electrochemical water-splitting. The linkage of ZIF-67 with g-C3N4 synergistically improves the electrochemical kinetics. An appropriate integration of g-C3N4 in ZIF-67 MOF improves the charge transfer between the electrode and electrolyte and makes it a suitable option for electrochemical applications. In alkaline media, the composite of ZIF-67 MOF with g-C3N4 over a Ni-foam exhibits a superior catalyst activity for water splitting application. Significantly, the 3 wt% g-C3N4@ZIF67 composite material reveals remarkable results with low overpotential values of -176 mV@10 mA cm-2, 152 mV@10 mA cm-2 for HER and OER. The catalyst remained stable for 24 h without distortion. The 3 wt% composite also shows a commendable performance for overall water-splitting with a voltage yield of 1.34 v@10 mA cm-2. The low contact angle (54.4°) proves the electrocatalyst's hydrophilic nature. The results of electrochemical water splitting illustrated that 3 wt% g-C3N4@ZIF-67 is an electrically conductive, stable, and hydrophilic-nature catalyst and is suggested to be a promising candidate for electrochemical water-splitting application.
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Affiliation(s)
- Sadia Khan
- School of Chemical and Materials Engineering (SCME), National University of Sciences and Technology (NUST) Islamabad 44000 Pakistan +92 51 90855121
| | - Tayyaba Noor
- School of Chemical and Materials Engineering (SCME), National University of Sciences and Technology (NUST) Islamabad 44000 Pakistan +92 51 90855121
| | - Naseem Iqbal
- U.S.-Pakistan Center for Advanced Studies in Energy (USPCAS-E), National University of Sciences and Technology (NUST) Islamabad 44000 Pakistan
| | - Erum Pervaiz
- School of Chemical and Materials Engineering (SCME), National University of Sciences and Technology (NUST) Islamabad 44000 Pakistan +92 51 90855121
| | - Lubna Yaqoob
- U.S.-Pakistan Center for Advanced Studies in Energy (USPCAS-E), National University of Sciences and Technology (NUST) Islamabad 44000 Pakistan
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29
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Zdražil L, Baďura Z, Langer M, Kalytchuk S, Panáček D, Scheibe M, Kment Š, Kmentová H, Thottappali MA, Mohammadi E, Medveď M, Bakandritsos A, Zoppellaro G, Zbořil R, Otyepka M. Magnetic Polaron States in Photoluminescent Carbon Dots Enable Hydrogen Peroxide Photoproduction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206587. [PMID: 37038085 DOI: 10.1002/smll.202206587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 03/17/2023] [Indexed: 05/06/2023]
Abstract
Photoactivation of aspartic acid-based carbon dots (Asp-CDs) induces the generation of spin-separated species, including electron/hole (e- /h+ ) polarons and spin-coupled triplet states, as uniquely confirmed by the light-induced electron paramagnetic resonance spectroscopy. The relative population of the e- /h+ pairs and triplet species depends on the solvent polarity, featuring a substantial stabilization of the triplet state in a non-polar environment (benzene). The electronic properties of the photoexcited Asp-CDs emerge from their spatial organization being interpreted as multi-layer assemblies containing a hydrophobic carbonaceous core and a hydrophilic oxygen and nitrogen functionalized surface. The system properties are dissected theoretically by density functional theory in combination with molecular dynamics simulations on quasi-spherical assemblies of size-variant flakelike model systems, revealing the importance of size dependence and interlayer effects. The formation of the spin-separated states in Asp-CDs enables the photoproduction of hydrogen peroxide (H2 O2 ) from water and water/2-propanol mixture via a water oxidation reaction.
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Affiliation(s)
- Lukáš Zdražil
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University Olomouc, Křížkovského 511/8, 779 00, Olomouc, Czech Republic
| | - Zdeněk Baďura
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University Olomouc, Křížkovského 511/8, 779 00, Olomouc, Czech Republic
| | - Michal Langer
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University Olomouc, Křížkovského 511/8, 779 00, Olomouc, Czech Republic
| | - Sergii Kalytchuk
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University Olomouc, Křížkovského 511/8, 779 00, Olomouc, Czech Republic
| | - David Panáček
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University Olomouc, Křížkovského 511/8, 779 00, Olomouc, Czech Republic
| | - Magdalena Scheibe
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University Olomouc, Křížkovského 511/8, 779 00, Olomouc, Czech Republic
| | - Štěpán Kment
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University Olomouc, Křížkovského 511/8, 779 00, Olomouc, Czech Republic
- Nanotechnology Centre, VŠB - Technical University of Ostrava, 17. listopadu 2172/15, 708 00, Ostrava-Poruba, Czech Republic
| | - Hana Kmentová
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University Olomouc, Křížkovského 511/8, 779 00, Olomouc, Czech Republic
| | | | - Elmira Mohammadi
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University Olomouc, Křížkovského 511/8, 779 00, Olomouc, Czech Republic
| | - Miroslav Medveď
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University Olomouc, Křížkovského 511/8, 779 00, Olomouc, Czech Republic
- Department of Chemistry, Faculty of Natural Sciences, Matej Bel University, Tajovského 40, 974 01, Banská Bystrica, Slovakia
| | - Aristides Bakandritsos
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University Olomouc, Křížkovského 511/8, 779 00, Olomouc, Czech Republic
- Nanotechnology Centre, VŠB - Technical University of Ostrava, 17. listopadu 2172/15, 708 00, Ostrava-Poruba, Czech Republic
| | - Giorgio Zoppellaro
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University Olomouc, Křížkovského 511/8, 779 00, Olomouc, Czech Republic
| | - Radek Zbořil
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University Olomouc, Křížkovského 511/8, 779 00, Olomouc, Czech Republic
- Nanotechnology Centre, VŠB - Technical University of Ostrava, 17. listopadu 2172/15, 708 00, Ostrava-Poruba, Czech Republic
| | - Michal Otyepka
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University Olomouc, Křížkovského 511/8, 779 00, Olomouc, Czech Republic
- IT4Innovations, VŠB - Technical University of Ostrava, 17. listopadu 2172/15, 708 00, Ostrava-Poruba, Czech Republic
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30
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Sundar D, Liu CH, Anandan S, Wu JJ. Photocatalytic CO 2 Conversion into Solar Fuels Using Carbon-Based Materials-A Review. Molecules 2023; 28:5383. [PMID: 37513259 PMCID: PMC10385390 DOI: 10.3390/molecules28145383] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/08/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
Carbon materials with elusive 0D, 1D, 2D, and 3D nanostructures and high surface area provide certain emerging applications in electrocatalytic and photocatalytic CO2 utilization. Since carbon possesses high electrical conductivity, it expels the photogenerated electrons from the catalytic surface and can tune the photocatalytic activity in the visible-light region. However, the photocatalytic efficiency of pristine carbon is comparatively low due to the high recombination of photogenerated carriers. Thus, supporting carbon materials, such as graphene, CNTs (Carbon nanotubes), g-C3N4, MWCNs (Multiwall carbon nanotubes), conducting polymers, and its other simpler forms like activated carbon, nanofibers, nanosheets, and nanoparticles, are usually combined with other metal and non-metal nanocomposites to increase the CO2 absorption and conversion. In addition, carbon-based materials with transition metals and organometallic complexes are also commonly used as photocatalysts for CO2 reduction. This review focuses on developing efficient carbon-based nanomaterials for the photoconversion of CO2 into solar fuels. It is concluded that MWCNs are one of the most used materials as supporting materials for CO2 reduction. Due to the multi-layered morphology, multiple reflections will occur within the layers, thus enhancing light harvesting. In particular, stacked nanostructured hollow sphere morphologies can also help the metal doping from corroding.
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Affiliation(s)
- Dhivya Sundar
- Department of Environmental Engineering and Science, Feng Chia University, Taichung 407, Taiwan
| | - Cheng-Hua Liu
- Department of Environmental Engineering and Science, Feng Chia University, Taichung 407, Taiwan
| | - Sambandam Anandan
- Department of Chemistry, National Institute of Technology, Trichy 620015, India
| | - Jerry J Wu
- Department of Environmental Engineering and Science, Feng Chia University, Taichung 407, Taiwan
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31
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Lawson T, Gentleman AS, Lage A, Casadevall C, Xiao J, Petit T, Frosz MH, Reisner E, Euser TG. Low-Volume Reaction Monitoring of Carbon Dot Light Absorbers in Optofluidic Microreactors. ACS Catal 2023; 13:9090-9101. [PMID: 37441232 PMCID: PMC10334427 DOI: 10.1021/acscatal.3c02212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/07/2023] [Indexed: 07/15/2023]
Abstract
Optical monitoring and screening of photocatalytic batch reactions using cuvettes ex situ is time-consuming, requires substantial amounts of samples, and does not allow the analysis of species with low extinction coefficients. Hollow-core photonic crystal fibers (HC-PCFs) provide an innovative approach for in situ reaction detection using ultraviolet-visible absorption spectroscopy, with the potential for high-throughput automation using extremely low sample volumes with high sensitivity for monitoring of the analyte. HC-PCFs use interference effects to guide light at the center of a microfluidic channel and use this to enhance detection sensitivity. They open the possibility of comprehensively studying photocatalysts to extract structure-activity relationships, which is unfeasible with similar reaction volume, time, and sensitivity in cuvettes. Here, we demonstrate the use of HC-PCF microreactors for the screening of the electron transfer properties of carbon dots (CDs), a nanometer-sized material that is emerging as a homogeneous light absorber in photocatalysis. The CD-driven photoreduction reaction of viologens (XV2+) to the corresponding radical monocation XV•+ is monitored in situ as a model reaction, using a sample volume of 1 μL per measurement and with a detectability of <1 μM. A range of different reaction conditions have been systematically studied, including different types of CDs (i.e., amorphous, graphitic, and graphitic nitrogen-doped CDs), surface chemistry, viologens, and electron donors. Furthermore, the excitation irradiance was varied to study its effect on the photoreduction rate. The findings are correlated with the electron transfer properties of CDs based on their electronic structure characterized by soft X-ray absorption spectroscopy. Optofluidic microreactors with real-time optical detection provide unique insight into the reaction dynamics of photocatalytic systems and could form the basis of future automated catalyst screening platforms, where samples are only available on small scales or at a high cost.
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Affiliation(s)
- Takashi Lawson
- NanoPhotonics
Centre, Cavendish Laboratory, University
of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, U.K.
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield
Road, Cambridge CB2 1EW, U.K.
| | - Alexander S. Gentleman
- NanoPhotonics
Centre, Cavendish Laboratory, University
of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, U.K.
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield
Road, Cambridge CB2 1EW, U.K.
| | - Ava Lage
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield
Road, Cambridge CB2 1EW, U.K.
| | - Carla Casadevall
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield
Road, Cambridge CB2 1EW, U.K.
| | - Jie Xiao
- Helmholtz-Zentrum
Berlin für Materialien und Energy GmbH, Albert-Einstein-Straße 15, 12489 Berlin, Germany
| | - Tristan Petit
- Helmholtz-Zentrum
Berlin für Materialien und Energy GmbH, Albert-Einstein-Straße 15, 12489 Berlin, Germany
| | - Michael H. Frosz
- Max
Planck Institute for the Science of Light, Staudtstr. 2, 91058 Erlangen, Germany
| | - Erwin Reisner
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield
Road, Cambridge CB2 1EW, U.K.
| | - Tijmen G. Euser
- NanoPhotonics
Centre, Cavendish Laboratory, University
of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, U.K.
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Prathap N, Balla P, Shivakumar MS, Periyasami G, Karuppiah P, Ramasamy K, Venkatesan S. Prosopis juliflora hydrothermal synthesis of high fluorescent carbon dots and its antibacterial and bioimaging applications. Sci Rep 2023; 13:9676. [PMID: 37322059 PMCID: PMC10272132 DOI: 10.1038/s41598-023-36033-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 05/28/2023] [Indexed: 06/17/2023] Open
Abstract
Carbon dots have stimulated the curiosity of biomedical researchers due to their unique properties, such as less toxicity and high biocompatibility. The synthesis of carbon dots for biomedical application is a core area in research. In the current research, an eco-friendly hydrothermal technique was employed to synthesize high fluorescent, plant-derived carbon dots from Prosopis juliflora leaves extract (PJ-CDs). The synthesized PJ-CDs were investigated by physicochemical evaluation instruments such as fluorescence spectroscopy, SEM, HR-TEM, EDX, XRD, FTIR, and UV-Vis. The UV-Vis absorption peaks obtained at 270 nm due to carbonyl functional groups shifts of n→π*. In addition, a quantum yield of 7.88 % is achieved. The synthesized PJ-CDs showing the presence of carious functional groups O-H, C-H, C=O, O-H, C-N and the obtained particles in spherical shape with an average size of 8 nm. The fluorescence PJ-CDs showed stability against various environmental factors such as a broad range of ionic strength and pH gradient. The antimicrobial activity of PJ-CDs was tested against a Staphylococcus aureus, and a Escherichia coli. The results suggest that the PJ-CDs could substantially inhibit the growth of Staphylococcus aureus. The findings also indicate that PJ-CDs are effective materials for bio-imaging in Caenorhabditis elegans and they can be also used for pharmaceutical applications.
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Affiliation(s)
- Nadarajan Prathap
- Department of Environmental Science, School of Energy and Environmental Sciences, Periyar University, Salem, India
| | - Putrakumar Balla
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon, Republic of Korea
| | | | - Govindasami Periyasami
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Ponmurugan Karuppiah
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Krishnaraj Ramasamy
- Department of Mechanical Engineering, College of Engineering and Technology, and Director Centre for Excellence in Indigenous Knowledge Innovative Technology Transfer and Entrepreneurship, Dambi Dollo University, Dembi Dollo, Ethiopia.
| | - Srinivasan Venkatesan
- Department of Environmental Science, School of Energy and Environmental Sciences, Periyar University, Salem, India.
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33
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Niu C, Yao Z, Jiang S. Synthesis and application of quantum dots in detection of environmental contaminants in food: A comprehensive review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 882:163565. [PMID: 37080319 DOI: 10.1016/j.scitotenv.2023.163565] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 04/13/2023] [Accepted: 04/14/2023] [Indexed: 05/03/2023]
Abstract
Environmental pollutants can accumulate in the human body through the food chain, which may seriously impact human health. Therefore, it is of vital importance to develop quick, simple, accurate and sensitive (respond quickly) technologies to evaluate the concentration of environmental pollutants in food. Quantum dots (QDs)-based fluorescence detection methods have great potential to overcome the shortcomings of traditional detection methods, such as long detection time, cumbersome detection procedures, and low sensitivity. This paper reviews the types and synthesis methods of QDs with a focus on green synthesis and the research progress on rapid detection of environmental pollutants (e.g., heavy metals, pesticides, and antibiotics) in food. Metal-based QDs, carbon-based QDs, and "top-down" and "bottom-up" synthesis methods are discussed in detail. In addition, research progress of QDs in detecting different environmental pollutants in food is discussed, especially, the practical application of these methods is analyzed. Finally, current challenges and future research directions of QDs-based detection technologies are critically discussed. Hydrothermal synthesis of carbon-based QDs with low toxicity from natural materials has a promising future. Research is needed on green synthesis of QDs, direct detection without pre-processing, and simultaneous detection of multiple contaminants. Finally, how to keep the mobile sensor stable, sensitive and easy to store is a hot topic in the future.
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Affiliation(s)
- Chenyue Niu
- School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China; State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing 100048, China.
| | - Zhiliang Yao
- School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China; State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing 100048, China.
| | - Shanxue Jiang
- School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China; State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing 100048, China.
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Lu Y, Xu H, Wei S, Jiang F, Zhang J, Ge Y, Li Z. In situ doping lignin-derived carbon quantum dots on magnetic hydrotalcite for enhanced degradation of Congo Red over a wide pH range and simultaneous removal of heavy metal ions. Int J Biol Macromol 2023; 239:124303. [PMID: 37019204 DOI: 10.1016/j.ijbiomac.2023.124303] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/16/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023]
Abstract
A new N, S-CQDs@Fe3O4@HTC composite was prepared by loading N, S carbon quantum dots (N, S-CQDs) derived from lignin on magnetic hydrotalcite (HTC) via an in-situ growth method. The characterization results showed that the catalyst had a mesoporous structure. These pores facilitate the diffusion and mass transfer of pollutant molecules inside the catalyst, allowing them to approach the active site smoothly. The catalyst performed well in the UV degradation of Congo red (CR) over a wide pH range (3-11), with efficiencies over 95.43 % in all cases. Even at a high NaCl content (100 g/L), the catalyst showed extraordinary CR degradation (99.30 %). ESR analysis and free radical quenching experiments demonstrated that OH and O2- were the main active species governing CR degradation. Besides, the composite had outstanding removal efficiency for Cu2+ (99.90 %) and Cd2+ (85.08 %) simultaneously due to the electrostatic attraction between the HTC and metal ions. Moreover, the N, S-CQDs@Fe3O4@HTC had excellent stability and recyclability during five cycles, making it free of secondary contamination. This work provides a new environment-friendly catalyst for the simultaneous removal of multiple pollutants and a waste-to-waste strategy for the value-added utilization of lignin.
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35
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Regulating Optoelectronics of Carbon Dots with Redox-active Dopamine. TALANTA OPEN 2023. [DOI: 10.1016/j.talo.2023.100198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023] Open
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36
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Langer M, Zdražil L, Medveď M, Otyepka M. Communication of molecular fluorophores with other photoluminescence centres in carbon dots. NANOSCALE 2023; 15:4022-4032. [PMID: 36728225 DOI: 10.1039/d2nr05114a] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The establishment of structure-photoluminescence (PL) relationships remains an ultimate challenge in the field of carbon dots (CDs). It is now commonly understood that various structural domains may evolve during the preparation of CDs; nonetheless, we are still far from capturing the specific features that determine the overall PL of CDs. Although the core, surface and molecular states are usually considered the three main sources of PL, it is not known to which extent they interact and/or affect one another. Expectedly, the communication between the different PL centres depends on the mutual arrangement and the type of linking. To gain insights into such a communication, time-dependent density functional theory (TD-DFT) calculations were performed for several (N-doped/O-functionalized) polyaromatic hydrocarbons (PAHs) as representative models for the core/surfaces PL states and the prototypical molecular fluorophore (MF) 5-oxo-1,2,3,5-tetrahydroimidazo-[1,2-α]-pyridine-7-carboxylic acid (IPCA), considering different interaction modes, namely hydrogen bonded and stacked complexes as well as covalently bonded and fused structures. Our results revealed that each of the studied arrangements in some way supported the communication between the PL centres. The deactivation pathways typically involve multiple charge and energy transfer events that can promote the formation of charge separated states and/or lead to the activation of other PL centres in CDs. Depending on the arrangement, the doping pattern and surface functionalization, both the CD core and the MF can act as an electron donor or acceptor, which could help to design CDs with desirable hole-electron surface/core characteristics.
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Affiliation(s)
- Michal Langer
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute (CATRIN), Palacký University Olomouc, Šlechtitelů 241/27, 783 71 Olomouc, Czech Republic.
- Chemical and Biological Systems Simulation Lab, Centre of New Technologies University of Warsaw, 2c Banacha Street, 02-097, Warszawa, Poland
| | - Lukáš Zdražil
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute (CATRIN), Palacký University Olomouc, Šlechtitelů 241/27, 783 71 Olomouc, Czech Republic.
| | - Miroslav Medveď
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute (CATRIN), Palacký University Olomouc, Šlechtitelů 241/27, 783 71 Olomouc, Czech Republic.
- Department of Chemistry, Faculty of Natural Sciences, Matej Bel University, Tajovského 40, 974 01 Banská Bystrica, Slovak Republic
| | - Michal Otyepka
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute (CATRIN), Palacký University Olomouc, Šlechtitelů 241/27, 783 71 Olomouc, Czech Republic.
- IT4Innovations, VŠB-Technical University of Ostrava, 17. listopadu 2172/15, 708 00 Ostrava-Poruba, Czech Republic
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37
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Lignin-derived dual-function red light carbon dots for hypochlorite detection and anti-counterfeiting. Front Chem Sci Eng 2023. [DOI: 10.1007/s11705-022-2244-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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38
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Visible Light Driven Photocatalytic Degradation of Norfloxacin Using 3D Supramolecular Compounds. J CLUST SCI 2023. [DOI: 10.1007/s10876-023-02412-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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39
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Vibhuti Atulbhai S, Swapna B, Kumar Kailasa S. Microwave synthesis of blue emissive carbon dots from 5-sulpho anthranilic acid and 1,5-diphenyl carbazide for sensing of levocetirizine and niflumic acid. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 287:122098. [PMID: 36379158 DOI: 10.1016/j.saa.2022.122098] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 10/29/2022] [Accepted: 11/06/2022] [Indexed: 06/16/2023]
Abstract
In this work, water soluble carbon dots (CDs) were synthesized by using 5- sulpho anthranilic acid (SAA) and 1,5-diphenylycarbazide (DPC) as precursors via microwave-assisted method and named as "SD-CDs". We studied the effect of SAA and DPC molar ratio (1:3, 2:2 and 3:1) for the preparation of blue fluorescent CDs, showing the best emission properties at molar 3:1 ratio of SAA and DPC. The as-prepared SD-CDs emit bright blue color under UV light at 365 nm, and exhibit emission peak at 392 nm when excited at 319 nm. The as-synthesized SD-CDs act as a fluorescent sensor for detection of levocetirizine and niflumic acid through the fluorescence "turn-on-off" mechanism. The developed probe exhibited good linearity in the concentrations (levocetirizine - 1.0-100 µM and niflumic acid - 0.5-100 µM) with detection limits of 3.92 nM and 0.19 µM for levocetirizine and niflumic acid, respectively. Importantly, the developed analytical method was successfully used for the detection of levocetirizine in tablets and niflumic acid in biofluids of human (serum, plasma and urine), showing good recoveries from 97 to 99 %. Thus, this SD-CDs-based fluorescence method has the potential for levocetirizine and niflumic acid assays in biological and pharmaceutical samples.
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Affiliation(s)
- Sadhu Vibhuti Atulbhai
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat 395 007, Gujarat, India
| | - Bhattu Swapna
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat 395 007, Gujarat, India
| | - Suresh Kumar Kailasa
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat 395 007, Gujarat, India.
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40
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Msto RK, Othman HO, Al-Hashimi BR, Salahuddin Ali D, Hassan DH, Hassan AQ, Smaoui S. Fluorescence Turns on-off-on Sensing of Ferric Ion and L-Ascorbic Acid by Carbon Quantum Dots. J FOOD QUALITY 2023; 2023:1-9. [DOI: 10.1155/2023/5555608] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024] Open
Abstract
This study used a hydrothermal approach to create a sensitive and focused nanoprobe. Using an “on-off-on” sensing mechanism, the nanoprobe was employed to detect and quantify ferric ions and L-ascorbic acid. Synthesis of the carbon quantum dots was achieved with a single hydrothermal step at 180°C for 24 hours using hot pepper as the starting material. The prepared CQDs showed high fluorescence with a quantum yield of 30% when excited at 350 nm, exhibiting excitation-dependent fluorescence. The emission of the CQDs can be quenched by adding ferric ions, which can be attributed to complex formation leading to nonradiative photoinduced electron transfer (PET). Adding L-ascorbic acid, which can convert ferric ions into ferrous ions, break the complex, and restore the fluorescence of CQD. The linear range and LOD were (10–90) μM and 1 μM for ferric ions, respectively, and L-ascorbic acid’s linear range was (5–100) μM while LOD was 0.1 μM quantification of both substances was accomplished. In addition, orange fruit was used as an actual sample source for ascorbic acid analysis, yielding up to 99% recovery.
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Affiliation(s)
- Ravin K. Msto
- Collage of Pharmacy, Hawler Medical University, Erbil, Kurdistan Region, Iraq
| | - Hazha Omar Othman
- Chemistry Department, College of Science, Salahaddin University-Erbil, Erbil, Kurdistan Region, Iraq
- Pharmacy Department, Faculty of Pharmacy, Tishk International University, Erbil, Kurdistan Region, Iraq
| | - Baraa R. Al-Hashimi
- Department of Pharmacology, College of Medicine, University of Sulaimani, Sulaimani, Kurdistan Region, Iraq
| | - Diyar Salahuddin Ali
- Chemistry Department, College of Science, Salahaddin University-Erbil, Erbil, Kurdistan Region, Iraq
- Department of Medical Laboratory Science, College of Health Sciences, Lebanese French University, Erbil, Kurdistan Region, Iraq
| | - Dlshad H. Hassan
- Department of Biology, Faculty of Science, Soran University, Soran-Erbil, Iraq
| | - Aso Q. Hassan
- Department of Chemistry, College of Science, University of Sulaimani, Qliasan Street, Slemani 46002, Kurdistan Region, Iraq
| | - Slim Smaoui
- Laboratory of Microbial Biotechnology and Engineering Enzymes (LMBEE), Center of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, P.O. Box 1177, Sfax 3018, Tunisia
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41
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Yan R, Liu X, Zhang H, Ye M, Wang Z, Yi J, Gu B, Hu Q. Carbon Quantum Dots Accelerating Surface Charge Transfer of 3D PbBiO 2I Microspheres with Enhanced Broad Spectrum Photocatalytic Activity-Development and Mechanism Insight. MATERIALS (BASEL, SWITZERLAND) 2023; 16:1111. [PMID: 36770117 PMCID: PMC9918922 DOI: 10.3390/ma16031111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/11/2023] [Accepted: 01/21/2023] [Indexed: 06/18/2023]
Abstract
The development of a highly efficient, visible-light responsive catalyst for environment purification has been a long-standing exploit, with obstacles to overcome, including inefficient capture of near-infrared photons, undesirable recombination of photo-generated carriers, and insufficient accessible reaction sites. Hence, novel carbon quantum dots (CQDs) modified PbBiO2I photocatalyst were synthesized for the first time through an in-situ ionic liquid-induced method. The bridging function of 1-butyl-3-methylimidazolium iodide ([Bmim]I) guarantees the even dispersion of CQDs around PbBiO2I surface, for synchronically overcoming the above drawbacks and markedly promoting the degradation efficiency of organic contaminants: (i) CQDs decoration harness solar photons in the near-infrared region; (ii) particular delocalized conjugated construction of CQDs strength via the utilization of photo-induced carriers; (iii) π-π interactions increase the contact between catalyst and organic molecules. Benefiting from these distinguished features, the optimized CQDs/PbBiO2I nanocomposite displays significantly enhanced photocatalytic performance towards the elimination of rhodamine B and ciprofloxacin under visible/near-infrared light irradiation. The spin-trapping ESR analysis demonstrates that CQDs modification can boost the concentration of reactive oxygen species (O2•-). Combined with radicals trapping tests, valence-band spectra, and Mott-Schottky results, a possible photocatalytic mechanism is proposed. This work establishes a significant milestone in constructing CQDs-modified, bismuth-based catalysts for solar energy conversion applications.
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42
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Applications of Fluorescent Carbon Dots as Photocatalysts: A Review. Catalysts 2023. [DOI: 10.3390/catal13010179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Carbon dots (CDs) have attracted considerable interest from the scientific community due to their exceptional properties, such as high photoluminescence, broadband absorption, low toxicity, water solubility and (photo)chemical stability. As a result, they have been applied in several fields, such as sensing, bioimaging, artificial lighting and catalysis. In particular, CDs may act as sole photocatalysts or as part of photocatalytic nanocomposites. This study aims to provide a comprehensive review on the use of CDs as sole photocatalysts in the areas of hydrogen production via water splitting, photodegradation of organic pollutants and photoreduction and metal removal from wastewaters. Furthermore, key limitations preventing a wider use of CDs as photocatalysts are pointed out. It is our hope that this review will serve as a basis on which researchers may find useful information to develop sustainable methodologies for the synthesis and use of photocatalytic CDs.
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43
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Ramos-Soriano J, Ghirardello M, Galan MC. Carbon-based glyco-nanoplatforms: towards the next generation of glycan-based multivalent probes. Chem Soc Rev 2022; 51:9960-9985. [PMID: 36416290 PMCID: PMC9743786 DOI: 10.1039/d2cs00741j] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Indexed: 11/24/2022]
Abstract
Cell surface carbohydrates mediate a wide range of carbohydrate-protein interactions key to healthy and disease mechanisms. Many of such interactions are multivalent in nature and in order to study these processes at a molecular level, many glycan-presenting platforms have been developed over the years. Among those, carbon nanoforms such as graphene and their derivatives, carbon nanotubes, carbon dots and fullerenes, have become very attractive as biocompatible platforms that can mimic the multivalent presentation of biologically relevant glycosides. The most recent examples of carbon-based nanoplatforms and their applications developed over the last few years to study carbohydrate-mediate interactions in the context of cancer, bacterial and viral infections, among others, are highlighted in this review.
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Affiliation(s)
- Javier Ramos-Soriano
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK.
- Glycosystems Laboratory, Instituto de Investigaciones Químicas (IIQ), CSIC and Universidad de Sevilla, Américo Vespucio, 49, 41092 Sevilla, Spain.
| | - Mattia Ghirardello
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK.
- Departamento de Química, Universidad de La Rioja, Calle Madre de Dios 53, 26006 Logroño, Spain.
| | - M Carmen Galan
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK.
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Chen Z, Li X, Wu Y, Duan A, Wang D, Yang Q, Fan Y. Achieving simultaneous hydrogen evolution and organic pollutants degradation through the modification of Ag3PO4 using Cs2AgBiBr6 quantum dots and graphene hydrogel. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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45
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Zhao J, Li C, Du X, Zhu Y, Li S, Liu X, Liang C, Yu Q, Huang L, Yang K. Recent Progress of Carbon Dots for Air Pollutants Detection and Photocatalytic Removal: Synthesis, Modifications, and Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2200744. [PMID: 36251773 DOI: 10.1002/smll.202200744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 04/07/2022] [Indexed: 06/16/2023]
Abstract
Rapid industrialization has inevitably led to serious air pollution problems, thus it is urgent to develop detection and treatment technologies for qualitative and quantitative analysis and efficient removal of harmful pollutants. Notably, the employment of functional nanomaterials, in sensing and photocatalytic technologies, is promising to achieve efficient in situ detection and removal of gaseous pollutants. Among them, carbon dots (CDs) have shown significant potential due to their superior properties, such as controllable structures, easy surface modification, adjustable energy band, and excellent electron-transfer capacities. Moreover, their environmentally friendly preparation and efficient capture of solar energy provide a green option for sustainably addressing environmental problems. Here, recent advances in the rational design of CDs-based sensors and photocatalysts are highlighted. An overview of their applications in air pollutants detection and photocatalytic removal is presented, especially the diverse sensing and photocatalytic mechanisms of CDs are discussed. Finally, the challenges and perspectives are also provided, emphasizing the importance of synthetic mechanism investigation and rational design of structures.
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Affiliation(s)
- Jungang Zhao
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Caiting Li
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Xueyu Du
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Youcai Zhu
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Shanhong Li
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Xuan Liu
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Caixia Liang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Qi Yu
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Le Huang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
| | - Kuang Yang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, P. R. China
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46
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Carbon dots modified/prepared by supramolecular host molecules and their potential applications: A review. Anal Chim Acta 2022; 1232:340475. [DOI: 10.1016/j.aca.2022.340475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/28/2022] [Accepted: 09/29/2022] [Indexed: 11/18/2022]
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47
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Xu S, Shen Q, Zheng J, Wang Z, Pan X, Yang N, Zhao G. Advances in Biomimetic Photoelectrocatalytic Reduction of Carbon Dioxide. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2203941. [PMID: 36008141 PMCID: PMC9631090 DOI: 10.1002/advs.202203941] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/04/2022] [Indexed: 06/15/2023]
Abstract
Emerging photoelectrocatalysis (PEC) systems synergize the advantages of electrocatalysis (EC) and photocatalysis (PC) and are considered a green and efficient approach to CO2 conversion. However, improving the selectivity and conversion rate remains a major challenge. Strategies mimicking natural photosynthesis provide a prospective way to convert CO2 with high efficiency. Herein, several typical strategies are described for constructing biomimetic photoelectric functional interfaces; such interfaces include metal cocatalysts/semiconductors, small molecules/semiconductors, molecular catalysts/semiconductors, MOFs/semiconductors, and microorganisms/semiconductors. The biomimetic PEC interface must have enhanced CO2 adsorption capacity, preferentially activate CO2 , and have an efficient conversion ability; with these properties, it can activate CO bonds effectively and promote electron transfer and CC coupling to convert CO2 to single-carbon or multicarbon products. Interfacial electron transfer and proton coupling on the biomimetic PEC interface are also discussed to clarify the mechanism of CO2 reduction. Finally, the existing challenges and perspectives for biomimetic photoelectrocatalytic CO2 reduction are presented.
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Affiliation(s)
- Shaohan Xu
- School of Chemical Science and EngineeringKey Laboratory of Spine and Spinal Cord Injury Repair and Regeneration, Ministry of Education, Tongji HospitalTongji UniversityShanghai200092China
| | - Qi Shen
- School of Chemical Science and EngineeringKey Laboratory of Spine and Spinal Cord Injury Repair and Regeneration, Ministry of Education, Tongji HospitalTongji UniversityShanghai200092China
- Institute of New Energy, School of Chemistry and Chemical EngineeringShaoxing University508 Huancheng West RoadShaoxingZhejiang312000China
| | - Jingui Zheng
- School of Chemical Science and EngineeringKey Laboratory of Spine and Spinal Cord Injury Repair and Regeneration, Ministry of Education, Tongji HospitalTongji UniversityShanghai200092China
| | - Zhiming Wang
- School of Chemical Science and EngineeringKey Laboratory of Spine and Spinal Cord Injury Repair and Regeneration, Ministry of Education, Tongji HospitalTongji UniversityShanghai200092China
| | - Xun Pan
- School of Chemical Science and EngineeringKey Laboratory of Spine and Spinal Cord Injury Repair and Regeneration, Ministry of Education, Tongji HospitalTongji UniversityShanghai200092China
| | - Nianjun Yang
- Institute of Materials EngineeringUniversity of Siegen57076SiegenGermany
| | - Guohua Zhao
- School of Chemical Science and EngineeringKey Laboratory of Spine and Spinal Cord Injury Repair and Regeneration, Ministry of Education, Tongji HospitalTongji UniversityShanghai200092China
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48
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Pourmadadi M, Rajabzadeh-Khosroshahi M, Saeidi Tabar F, Ajalli N, Samadi A, Yazdani M, Yazdian F, Rahdar A, Díez-Pascual AM. Two-Dimensional Graphitic Carbon Nitride (g-C 3N 4) Nanosheets and Their Derivatives for Diagnosis and Detection Applications. J Funct Biomater 2022; 13:204. [PMID: 36412845 PMCID: PMC9680252 DOI: 10.3390/jfb13040204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/21/2022] [Accepted: 10/23/2022] [Indexed: 12/14/2022] Open
Abstract
The early diagnosis of certain fatal diseases is vital for preventing severe consequences and contributes to a more effective treatment. Despite numerous conventional methods to realize this goal, employing nanobiosensors is a novel approach that provides a fast and precise detection. Recently, nanomaterials have been widely applied as biosensors with distinctive features. Graphite phase carbon nitride (g-C3N4) is a two-dimensional (2D) carbon-based nanostructure that has received attention in biosensing. Biocompatibility, biodegradability, semiconductivity, high photoluminescence yield, low-cost synthesis, easy production process, antimicrobial activity, and high stability are prominent properties that have rendered g-C3N4 a promising candidate to be used in electrochemical, optical, and other kinds of biosensors. This review presents the g-C3N4 unique features, synthesis methods, and g-C3N4-based nanomaterials. In addition, recent relevant studies on using g-C3N4 in biosensors in regard to improving treatment pathways are reviewed.
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Affiliation(s)
- Mehrab Pourmadadi
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 14179-35840, Iran
| | | | - Fatemeh Saeidi Tabar
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 14179-35840, Iran
| | - Narges Ajalli
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 14179-35840, Iran
| | - Amirmasoud Samadi
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 14179-35840, Iran
- Department of Chemical and Biomolecular Engineering, 6000 Interdisciplinary Science & Engineering Building (ISEB), Irvine, CA 92617, USA
| | - Mahsa Yazdani
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 14179-35840, Iran
- Department of Biomedical Engineering, State University of New York at Buffalo, Buffalo, NY 14260, USA
| | - Fatemeh Yazdian
- Department of Life Science Engineering, Faculty of New Science and Technologies, University of Tehran, Tehran 14179-35840, Iran
| | - Abbas Rahdar
- Department of Physics, Faculty of science, University of Zabol, Zabol 538-98615, Iran
| | - Ana M. Díez-Pascual
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona, Km. 33.6, 28805 Alcalá de Henares, Madrid, Spain
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49
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Lou Q, Ni Q, Niu C, Wei J, Zhang Z, Shen W, Shen C, Qin C, Zheng G, Liu K, Zang J, Dong L, Shan C. Carbon Nanodots with Nearly Unity Fluorescent Efficiency Realized via Localized Excitons. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2203622. [PMID: 36002336 PMCID: PMC9596859 DOI: 10.1002/advs.202203622] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 08/03/2022] [Indexed: 05/19/2023]
Abstract
Carbon nanodots (CDs) have emerged as an alternative option for traditional nanocrystals due to their excellent optical properties and low toxicity. Nevertheless, high emission efficiency is a long-lasting pursuit for CDs. Herein, CDs with near-unity emission efficiency are prepared via atomic condensation of doped pyrrolic nitrogen, which can highly localize the excited states thus lead to the formation of bound excitons and the symmetry break of the π-electron conjugation. The short radiative lifetimes (<8 ns) and diffusion lengths (<50 nm) of the CDs imply that excitons can be efficiently localized by radiative recombination centers for a defect-insensitive emission of CDs. By incorporating the CDs into polystyrene, flexible light-converting films with a high solid-state quantum efficiency of 84% and good resistance to water, heating, and UV light are obtained. With the CD-polymer films as light conversion layers, CD-based white light-emitting diodes (WLEDs) with a luminous efficiency of 140 lm W-1 and a flat-panel illumination system with lighting sizes of more than 100 cm2 are achieved, matching state-of-the-art nanocrystal-based LEDs. These results pave the way toward carbon-based luminescent materials for solid-state lighting technology.
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Affiliation(s)
- Qing Lou
- Henan Key Laboratory of Diamond Optoelectronic Materials and DevicesKey Laboratory of Materials PhysicsMinistry of Education, and School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052China
| | - Qingchao Ni
- Henan Key Laboratory of Diamond Optoelectronic Materials and DevicesKey Laboratory of Materials PhysicsMinistry of Education, and School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052China
| | - Chunyao Niu
- Henan Key Laboratory of Diamond Optoelectronic Materials and DevicesKey Laboratory of Materials PhysicsMinistry of Education, and School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052China
| | - Jianyong Wei
- Henan Key Laboratory of Diamond Optoelectronic Materials and DevicesKey Laboratory of Materials PhysicsMinistry of Education, and School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052China
- State Key Laboratory of Advanced Optical Communication Systems and NetworksUniversity of Michigan–Shanghai Jiao Tong University Joint InstituteShanghai Jiao Tong UniversityShanghai200240China
| | - Zhuangfei Zhang
- Henan Key Laboratory of Diamond Optoelectronic Materials and DevicesKey Laboratory of Materials PhysicsMinistry of Education, and School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052China
| | - Weixia Shen
- Henan Key Laboratory of Diamond Optoelectronic Materials and DevicesKey Laboratory of Materials PhysicsMinistry of Education, and School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052China
| | - Chenglong Shen
- Henan Key Laboratory of Diamond Optoelectronic Materials and DevicesKey Laboratory of Materials PhysicsMinistry of Education, and School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052China
| | - Chaochao Qin
- Henan Key Laboratory of Infrared Materials and Spectrum Measures and ApplicationsCollege of Physics and Materials ScienceHenan Normal UniversityXinxiang453007China
| | - Guangsong Zheng
- Henan Key Laboratory of Diamond Optoelectronic Materials and DevicesKey Laboratory of Materials PhysicsMinistry of Education, and School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052China
| | - Kaikai Liu
- Henan Key Laboratory of Diamond Optoelectronic Materials and DevicesKey Laboratory of Materials PhysicsMinistry of Education, and School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052China
| | - Jinhao Zang
- Henan Key Laboratory of Diamond Optoelectronic Materials and DevicesKey Laboratory of Materials PhysicsMinistry of Education, and School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052China
| | - Lin Dong
- Henan Key Laboratory of Diamond Optoelectronic Materials and DevicesKey Laboratory of Materials PhysicsMinistry of Education, and School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052China
| | - Chong‐Xin Shan
- Henan Key Laboratory of Diamond Optoelectronic Materials and DevicesKey Laboratory of Materials PhysicsMinistry of Education, and School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450052China
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50
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Teo JYQ, Zheng XT, Seng DHL, Hui HK, Chee PL, Su X, Loh XJ, Lim JYC. Waste Polystyrene‐derived Sulfonated Fluorescent Carbon Nanoparticles for Cation Sensing. ChemistrySelect 2022. [DOI: 10.1002/slct.202202720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jerald Y. Q. Teo
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
| | - Xin Ting Zheng
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
| | - Debbie Hwee Leng Seng
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
| | - Hui Kim Hui
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
| | - Pei Lin Chee
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
| | - Xiaodi Su
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
| | - Xian Jun Loh
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
- Prof. Dr. JYC Lim Department of Materials Science and Engineering National University of Singapore (NUS) 9 Engineering Drive 1 Singapore Singapore 117576
| | - Jason Y. C. Lim
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
- Prof. Dr. JYC Lim Department of Materials Science and Engineering National University of Singapore (NUS) 9 Engineering Drive 1 Singapore Singapore 117576
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