1
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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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2
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Li J, Wang X, Yu J, Wang H, Wang X. Facile Synthesis of Carbon Dots from Amido Black 10b for Sensing in Real Samples. ACS OMEGA 2022; 7:47002-47008. [PMID: 36570244 PMCID: PMC9773358 DOI: 10.1021/acsomega.2c06047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/24/2022] [Indexed: 06/17/2023]
Abstract
Herein, a one-step hydrothermal synthesis method was adopted to fabricate carbon dots (CDs) from amido black 10b in a sodium hydroxide solution. The morphology and composition of the CDs were investigated by XRD, FTIR TEM, XPS, UV-vis, and fluorescence spectroscopy. The obtained CDs (AB-CDs) with an average diameter of 19.4 nm displayed a well-dispersed characteristic in aqueous solutions. The as-prepared CDs showed bright blue fluorescence and good photostability, with a high quantum yield of 24.1%. AB-CDs displayed a selective and noticeable turn-off response to Fe3+. Accordingly, the quantitative detection of Fe3+ was achieved in the range of 5-200 μmol L-1 with a detection limit of 1.84 μmol L-1. The fluorescence response mechanism of Fe3+ to AB-CDs was ascribed to static quenching due to the emergence of the ground-state complex. Moreover, ascorbic acid could restore the fluorescence of AB-CDs quenched by Fe3+ by reducing Fe3+ to Fe2+. The developed nanoprobe was used to detect ascorbic acid with a limit of detection of 7.26 μmol L-1 in the range of 20-300 μmol L-1. Furthermore, the developed sensing system was successfully applied for an Fe3+ assay in a lake water sample and ascorbic acid detection in a human urine sample. The AB-CD-based analytical system showed its latent practical value in the chemical analysis and bioanalytical fields.
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Affiliation(s)
- Jin Li
- Reproductive
Medicine Center, Suizhou Hospital, Hubei
University of Medicine, Suizhou, Hubei441300, People’s Republic of China
| | - Xiaoyan Wang
- Reproductive
Medicine Center, Suizhou Hospital, Hubei
University of Medicine, Suizhou, Hubei441300, People’s Republic of China
| | - Jianxin Yu
- Center
for Translational Medicine, Suizhou Hospital, Hubei University of Medicine, Suizhou, Hubei441300, People’s Republic of China
| | - Hanqin Wang
- Center
for Translational Medicine, Suizhou Hospital, Hubei University of Medicine, Suizhou, Hubei441300, People’s Republic of China
| | - Xiaobo Wang
- Reproductive
Medicine Center, Suizhou Hospital, Hubei
University of Medicine, Suizhou, Hubei441300, People’s Republic of China
- Center
for Translational Medicine, Suizhou Hospital, Hubei University of Medicine, Suizhou, Hubei441300, People’s Republic of China
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3
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ZnO@ZnS Core–shell Nanorods with Homologous Heterogeneous Interface to Enhance Photocatalytic Hydrogen Production. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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4
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Ren H, Ye K, Chen H, Zhou X, Wang F, Shi Q, Diao G, Chen M. Polytype wurtzite- nH ZnS ( n = 2 and 8): facile synthesis and photocatalytic hydrogen production under sacrificial reagents. NEW J CHEM 2021. [DOI: 10.1039/d1nj02432a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Zinc sulfide, as an excellent catalyst, has attracted a lot of attention from scholars owing to its photocatalytic hydrogen evolution from water splitting in the ultraviolet (UV) region.
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Affiliation(s)
- Huajuan Ren
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou 225002
- P. R. China
| | - Kun Ye
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou 225002
- P. R. China
| | - Haoyu Chen
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou 225002
- P. R. China
| | - Xuemei Zhou
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou 225002
- P. R. China
| | - Feiyu Wang
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou 225002
- P. R. China
| | - Qiaofang Shi
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou 225002
- P. R. China
| | - Guowang Diao
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou 225002
- P. R. China
| | - Ming Chen
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou 225002
- P. R. China
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5
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Li L, Zhao Y, Wang Q, Liu ZY, Wang XG, Yang EC, Zhao XJ. Boosting photocatalytic hydrogen production activity by a microporous CuII-MOF nanoribbon decorated with Pt nanoparticles. Inorg Chem Front 2021. [DOI: 10.1039/d1qi00516b] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Due to the synergistic effect between photoactive CuII and Pt sites, the Pt(4.38 wt%)/CuII-MOF nanoribbon exhibits an enhanced hydrogen production rate, obviously higher by 4.7 and 1.9 times than those of the individual Pt nanoparticle and CuII-MOF.
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Affiliation(s)
- Lei Li
- College of Chemistry
- Tianjin Normal University
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- Tianjin
- P. R. China
| | - Yan Zhao
- College of Chemistry
- Tianjin Normal University
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- Tianjin
- P. R. China
| | - Qian Wang
- College of Chemistry
- Tianjin Normal University
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- Tianjin
- P. R. China
| | - Zheng-Yu Liu
- College of Chemistry
- Tianjin Normal University
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- Tianjin
- P. R. China
| | - Xiu-Guang Wang
- College of Chemistry
- Tianjin Normal University
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- Tianjin
- P. R. China
| | - En-Cui Yang
- College of Chemistry
- Tianjin Normal University
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- Tianjin
- P. R. China
| | - Xiao-Jun Zhao
- College of Chemistry
- Tianjin Normal University
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- Tianjin
- P. R. China
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6
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Zhao F, Zhang F, Han D, Huang K, Yang Y, Yin H. Enhanced light-driven hydrogen generation on carbon quantum dots with TiO 2 nanoparticles. Phys Chem Chem Phys 2021; 23:10448-10455. [PMID: 33890604 DOI: 10.1039/d1cp00417d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Solar to hydrogen (H2) conversion systems based on carbon nanomaterials have shown great potentials in the clean energy field recently. However, for most systems, energy level alignments and light-induced redox processes are still unclear, which hinder artificial designing for higher efficiency of solar energy conversion and further applications. Here we report 77% enhancement in the light-driven H2 generation efficiency of N,S co-doped carbon quantum dot (N,S-CQD) aqueous system by adding TiO2 nanoparticles. Using steady-state and transient spectroscopy, four specific energy levels of CQDs are confirmed with the band gaps of 3.55 eV (X4), 2.99 eV (X3), 2.76 eV (X2) and 1.75 eV (X1), respectively. The X2 energy band is highly active for H+ reduction with a longer lifetime of 13.38 ns. Moreover, the observed low efficiency of intrinsic transition from X3 to X2 band of N,S-CQDs accounts for the poor performance of solar to H2 conversion for pure N,S-CQDs based on H2 generation and detailed time-resolved spectroscopic results. The mechanism of H2 generation enhancement can be explained by multiple electron transfer processes between N,S-CQDs and TiO2 NPs where TiO2 NPs act as electron intermediates that efficiently transfer electrons from the inert band (X3) to the active band (X2) for H2 generation. This study enriches the fundamental understanding of N,S-CQDs and provides a new pathway toward high-performance N,S-CQD-based solar to H2 conversion systems.
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Affiliation(s)
- Fengjiao Zhao
- School of Science, Dalian Maritime University, Dalian, Liaoning 116026, China.
| | - Feng Zhang
- School of Science, Dalian Maritime University, Dalian, Liaoning 116026, China.
| | - Dongxue Han
- School of Science, Dalian Maritime University, Dalian, Liaoning 116026, China.
| | - Kai Huang
- School of Science, Dalian Maritime University, Dalian, Liaoning 116026, China.
| | - Yang Yang
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Hongming Yin
- School of Science, Dalian Maritime University, Dalian, Liaoning 116026, China.
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7
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Liu J, Li R, Yang B. Carbon Dots: A New Type of Carbon-Based Nanomaterial with Wide Applications. ACS CENTRAL SCIENCE 2020; 6:2179-2195. [PMID: 33376780 PMCID: PMC7760469 DOI: 10.1021/acscentsci.0c01306] [Citation(s) in RCA: 453] [Impact Index Per Article: 113.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Indexed: 05/07/2023]
Abstract
Carbon dots (CDs), as a new type of carbon-based nanomaterial, have attracted broad research interest for years, because of their diverse physicochemical properties and favorable attributes like good biocompatibility, unique optical properties, low cost, ecofriendliness, abundant functional groups (e.g., amino, hydroxyl, carboxyl), high stability, and electron mobility. In this Outlook, we comprehensively summarize the classification of CDs based on the analysis of their formation mechanism, micro-/nanostructure and property features, and describe their synthetic methods and optical properties including strong absorption, photoluminescence, and phosphorescence. Furthermore, the recent significant advances in diverse applications, including optical (sensor, anticounterfeiting), energy (light-emitting diodes, catalysis, photovoltaics, supercapacitors), and promising biomedicine, are systematically highlighted. Finally, we envisage the key issues to be challenged, future research directions, and perspectives to show a full picture of CDs-based materials.
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Affiliation(s)
- Junjun Liu
- State Key Laboratory of Supramolecular
Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Rui Li
- State Key Laboratory of Supramolecular
Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Bai Yang
- State Key Laboratory of Supramolecular
Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
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8
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Yin T, Long L, Tang X, Qiu M, Liang W, Cao R, Zhang Q, Wang D, Zhang H. Advancing Applications of Black Phosphorus and BP-Analog Materials in Photo/Electrocatalysis through Structure Engineering and Surface Modulation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:2001431. [PMID: 33042754 PMCID: PMC7539224 DOI: 10.1002/advs.202001431] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 05/24/2020] [Indexed: 05/22/2023]
Abstract
Black phosphorus (BP), an emerging 2D material semiconductor material, exhibits unique properties and promising application prospects for photo/electrocatalysis. However, the applications of BP in photo/electrocatalysis are hampered by the instability as well as low catalysis efficiency. Recently, tremendous efforts have been dedicated toward modulating its intrinsic structure, electronic property, and charge separation for enhanced photo/electrocatalytic performance through structure engineering. Simultaneously, the search for new substitute materials that are BP-analogous is ongoing. Herein, the latest theoretical and experimental progress made in the structural/surface engineering strategies and advanced applications of BP and BP-analog materials in relation to photo/electrocatalysis are extensively explored, and a presentation of the future opportunities and challenges of the materials is included at the end.
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Affiliation(s)
- Teng Yin
- School of Electronics and InformationHangzhou Dianzi UniversityHangzhou310018China
- Institute of Microscale OptoelectronicsCollaborative Innovation Centre for Optoelectronic Science & TechnologyKey Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Physics and Optoelectronic EngineeringShenzhen Key Laboratory of Micro‐Nano Photonic Information TechnologyGuangdong Laboratory of Artificial Intelligence and Digital Economy (SZ)Shenzhen UniversityShenzhen518060China
| | - Liyuan Long
- School of Electronics and InformationHangzhou Dianzi UniversityHangzhou310018China
| | - Xian Tang
- School of Physics and Optoelectronic EngineeringFoshan UniversityFoshan528000China
| | - Meng Qiu
- Key Laboratory of Marine Chemistry Theory and Technology (Ocean University of China)Ministry of EducationQingdao266100P. R. China
| | - Weiyuan Liang
- Institute of Microscale OptoelectronicsCollaborative Innovation Centre for Optoelectronic Science & TechnologyKey Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Physics and Optoelectronic EngineeringShenzhen Key Laboratory of Micro‐Nano Photonic Information TechnologyGuangdong Laboratory of Artificial Intelligence and Digital Economy (SZ)Shenzhen UniversityShenzhen518060China
| | - Rui Cao
- Institute of Microscale OptoelectronicsCollaborative Innovation Centre for Optoelectronic Science & TechnologyKey Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Physics and Optoelectronic EngineeringShenzhen Key Laboratory of Micro‐Nano Photonic Information TechnologyGuangdong Laboratory of Artificial Intelligence and Digital Economy (SZ)Shenzhen UniversityShenzhen518060China
| | - Qizhen Zhang
- Advanced Institute of Information TechnologyPeking UniversityHangzhou311215China
| | - Dunhui Wang
- School of Electronics and InformationHangzhou Dianzi UniversityHangzhou310018China
| | - Han Zhang
- Institute of Microscale OptoelectronicsCollaborative Innovation Centre for Optoelectronic Science & TechnologyKey Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Physics and Optoelectronic EngineeringShenzhen Key Laboratory of Micro‐Nano Photonic Information TechnologyGuangdong Laboratory of Artificial Intelligence and Digital Economy (SZ)Shenzhen UniversityShenzhen518060China
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9
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Ji J, Li Z, Hu C, Sha Y, Li S, Gao X, Zhou S, Qiu T, Liu C, Su X, Hou Y, Lin Z, Zhou S, Ling M, Liang C. Platinum Atomic Clusters Embedded in Defects of Anatase/Graphene for Efficient Electro- and Photocatalytic Hydrogen Evolution. ACS APPLIED MATERIALS & INTERFACES 2020; 12:40204-40212. [PMID: 32794688 DOI: 10.1021/acsami.0c06931] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Electro- and photocatalytic hydrogen evolution reaction (e-HER and p-HER) are two promising strategies to produce green hydrogen fuel from water. High intrinsic activity, sufficient active sites, fast charge-transfer capacity, and good optoelectronic properties must be taken into consideration simultaneously in pursuit of an ideal bifunctional catalyst. Here, platinum atomic clusters embedded in defects of TiO2 nanocrystals/graphene nanosheets (Pt-T/G) are reported as a bifunctional catalyst for electro- and photocatalytic hydrogen evolution reaction (e-HER and p-HER). High activity is delivered due to the charge transfer from the other part of the catalyst to the active center (Pt2-O4-Tix), decreasing the activation energy of the rate-limiting step, which is revealed by synchrotron X-ray absorption spectroscopy, photoelectrochemical measurements, and simulated calculations. In regard to e-HER, it outperforms the commercial 20 wt % Pt/C catalyst by a factor of 17.5 on Pt mass basis, allowing for a 93% reduction in Pt loadings. In regard to p-HER, it achieves photocatalytic efficiency (686.8 μmol h-1) without any attenuation in 9 h.
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Affiliation(s)
- Jiapeng Ji
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Zeheng Li
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Chenchen Hu
- Ministry Key Laboratory of Oil and Gas Fine Chemicals, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, China
| | - Ying Sha
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Siyuan Li
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Xuehui Gao
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Shiyu Zhou
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Tong Qiu
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Chenyu Liu
- College of Light Industry and Chemical Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Xintai Su
- Ministry Key Laboratory of Oil and Gas Fine Chemicals, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, China
| | - Yang Hou
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Zhan Lin
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
- College of Light Industry and Chemical Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Shaodong Zhou
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Min Ling
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Chengdu Liang
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
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10
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Long L, Wu Q, Chao Q, Dong Y, Wu L, Zhang Q, Zhou Y, Wang D. Surface-state-mediated interfacial charge dynamics between carbon dots and ZnO toward highly promoting photocatalytic activity. J Chem Phys 2020; 153:044708. [DOI: 10.1063/5.0011474] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Liyuan Long
- School of Electronics and Information, Hangzhou Dianzi University, Hangzhou 310018, China
- National Laboratory of Solid State Microstructures and School of Physics, Nanjing University, Nanjing 210093, China
| | - Qifan Wu
- National Laboratory of Solid State Microstructures and School of Physics, Nanjing University, Nanjing 210093, China
| | - Qingyuan Chao
- School of Electronics and Information, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Yi Dong
- School of Electronics and Information, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Liqian Wu
- School of Electronics and Information, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Qizhen Zhang
- Advanced Institute of Information Technology, Peking University, Hangzhou 311215, China
| | - Yong Zhou
- National Laboratory of Solid State Microstructures and School of Physics, Nanjing University, Nanjing 210093, China
| | - Dunhui Wang
- School of Electronics and Information, Hangzhou Dianzi University, Hangzhou 310018, China
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11
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Holá K, Pavliuk MV, Németh B, Huang P, Zdražil L, Land H, Berggren G, Tian H. Carbon Dots and [FeFe] Hydrogenase Biohybrid Assemblies for Efficient Light-Driven Hydrogen Evolution. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02474] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Kateřina Holá
- Department of Chemistry—Ångström Laboratory, Physical Chemistry, Uppsala University, Box 523, SE 751 20 Uppsala, Sweden
- Regional Centre of Advanced Technologies and Materials, Department of Physical Chemistry, Faculty of Science, Palacký University Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
| | - Mariia V. Pavliuk
- Department of Chemistry—Ångström Laboratory, Physical Chemistry, Uppsala University, Box 523, SE 751 20 Uppsala, Sweden
| | - Brigitta Németh
- Department of Chemistry—Ångström Laboratory, Molecular Biomimetic, Uppsala University, Box 523, SE 751 20 Uppsala, Sweden
| | - Ping Huang
- Department of Chemistry—Ångström Laboratory, Molecular Biomimetic, Uppsala University, Box 523, SE 751 20 Uppsala, Sweden
| | - Lukáš Zdražil
- Regional Centre of Advanced Technologies and Materials, Department of Physical Chemistry, Faculty of Science, Palacký University Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
| | - Henrik Land
- Department of Chemistry—Ångström Laboratory, Molecular Biomimetic, Uppsala University, Box 523, SE 751 20 Uppsala, Sweden
| | - Gustav Berggren
- Department of Chemistry—Ångström Laboratory, Molecular Biomimetic, Uppsala University, Box 523, SE 751 20 Uppsala, Sweden
| | - Haining Tian
- Department of Chemistry—Ångström Laboratory, Physical Chemistry, Uppsala University, Box 523, SE 751 20 Uppsala, Sweden
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12
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Abstract
Carbon dots (C-Dots), defined by characteristic sizes of <10 nm, have become a rising star in carbon nanomaterials. C-Dots possess many unique physiochemical and photochemical properties which make them a promising platform for imaging, environmental, catalytic, biological and energy-related applications. To date, C-Dots have been investigated extensively, and their related applications have developed rapidly. However, quantitative understanding of the physiochemical properties of C-Dots still remains a difficult challenge because of their complex structures. Here, we will highlight the recent progress in the practical applications of C-Dots, with particular attention to the research in light-emitting devices, bioimaging and biodetection, catalysis, functional materials, and agriculture.
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Affiliation(s)
- Zhenhui Kang
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-based Functional Materials and Devices, Soochow University, Suzhou 215123, China.
| | - Shuit-Tong Lee
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-based Functional Materials and Devices, Soochow University, Suzhou 215123, China.
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Synthesis of dual-emissive carbon dots with a unique solvatochromism phenomenon. J Colloid Interface Sci 2019; 555:607-614. [DOI: 10.1016/j.jcis.2019.07.089] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 07/05/2019] [Accepted: 07/29/2019] [Indexed: 11/19/2022]
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Chen X, Fang G, Liu C, Dionysiou DD, Wang X, Zhu C, Wang Y, Gao J, Zhou D. Cotransformation of Carbon Dots and Contaminant under Light in Aqueous Solutions: A Mechanistic Study. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:6235-6244. [PMID: 31081623 DOI: 10.1021/acs.est.8b07124] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In this study, the photochemistry of carbon dots (CDs) and their effects on pollutant transformation were systematically examined. Diethyl phthalate (DEP) degradation was strongly enhanced by CDs under UV light, with the observed reaction rate constant ( kobs) increased by 2.4-15.1-fold by CDs at a concentration of 0.5-10 mg/L. Electron paramagnetic resonance (EPR) spectrometry combined with free radical quenching experiments with various chemical probes indicated the production of reactive oxygen species (ROS), including hydroxyl radicals (•OH), singlet oxygen (1O2), and superoxide radical anions (O2•-), and these contributed to the enhanced DEP degradation. Meanwhile, CDs were also degraded to low-molecular-weight species and partially mineralized to CO2 by ROS, as evidenced by Fourier transform ion cyclotron resonance mass spectrometry (FTICR-MS) and total organic carbon (TOC) analysis, and transformation of CDs was accelerated by DEP. Furthermore, CDs were degraded rapidly under natural sunlight, accompanied by the formation of •OH and 1O2. Anions such as CO32-, NO3-, and Cl- had limited effects on transformation of CDs, while humic substances greatly inhibited this process. Our results indicate that photoreactions of CDs play an important role in influencing the transformation of pollutants and CDs themselves in the natural aquatic environment. The findings provide invaluable information for evaluating risks associated with the release of CDs into the natural environment.
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Affiliation(s)
- Xiru Chen
- Key Laboratory of Soil Environment and Pollution Remediation , Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008 , P.R. China
- University of Chinese Academy of Sciences, Beijing 100049 , P.R. China
| | - Guodong Fang
- Key Laboratory of Soil Environment and Pollution Remediation , Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008 , P.R. China
| | - Cun Liu
- Key Laboratory of Soil Environment and Pollution Remediation , Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008 , P.R. China
| | - Dionysios D Dionysiou
- Environmental Engineering and Science Program, Department of Chemical and Environmental Engineering (ChEE) , University of Cincinnati , Cincinnati , Ohio 45221-0071 , United States
| | - Xiaolei Wang
- Key Laboratory of Soil Environment and Pollution Remediation , Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008 , P.R. China
| | - Changyin Zhu
- Key Laboratory of Soil Environment and Pollution Remediation , Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008 , P.R. China
| | - Yujun Wang
- Key Laboratory of Soil Environment and Pollution Remediation , Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008 , P.R. China
| | - Juan Gao
- Key Laboratory of Soil Environment and Pollution Remediation , Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008 , P.R. China
| | - Dongmei Zhou
- Key Laboratory of Soil Environment and Pollution Remediation , Institute of Soil Science, Chinese Academy of Sciences , Nanjing 210008 , P.R. China
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15
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16
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Zhang G, Yang L, Wang X, Wu Z, Jiang J, Luo Y. Energy Materials Design for Steering Charge Kinetics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1801988. [PMID: 30206996 DOI: 10.1002/adma.201801988] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 06/12/2018] [Indexed: 06/08/2023]
Abstract
Charge kinetics is a critical factor that determines working efficiencies of energy materials in their various applications. It is governed by electronic structures of the materials of interest and can be fine-tuned via purposeful adjustment of electronic structures. Recent advances in the development of energy materials with desirable electronic structures to steering charge kinetics toward specific applications are highlighted here. Two key strategies are presented: one is through the tuning of energy states and the other is to control spatial distributions of charges. Each strategy is described by several different schemes. Finally, the challenges and perspectives in designing energy materials with fine control of charge kinetics are discussed.
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Affiliation(s)
- Guozhen Zhang
- Hefei National Laboratory for Physical Sciences at Microscale, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), CAS Center for Excellence in Nanoscience, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Li Yang
- Hefei National Laboratory for Physical Sciences at Microscale, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), CAS Center for Excellence in Nanoscience, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Xijun Wang
- Hefei National Laboratory for Physical Sciences at Microscale, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), CAS Center for Excellence in Nanoscience, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Ziye Wu
- Hefei National Laboratory for Physical Sciences at Microscale, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), CAS Center for Excellence in Nanoscience, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Jun Jiang
- Hefei National Laboratory for Physical Sciences at Microscale, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), CAS Center for Excellence in Nanoscience, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Yi Luo
- Hefei National Laboratory for Physical Sciences at Microscale, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), CAS Center for Excellence in Nanoscience, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, P. R. China
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17
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Choi Y, Choi Y, Kwon OH, Kim BS. Carbon Dots: Bottom-Up Syntheses, Properties, and Light-Harvesting Applications. Chem Asian J 2018; 13:586-598. [PMID: 29316309 DOI: 10.1002/asia.201701736] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Indexed: 12/27/2022]
Abstract
The development of cost-effective and environmentally friendly photocatalysts and photosensitizers has received tremendous attention because of their potential utilization in solar-light-harvesting applications. In this respect, carbon dots (CDs) prepared by bottom-up methods have been considered to be promising light-harvesting materials. Through their preparation from various molecular precursors and synthetic methods, CDs exhibit excellent optical and charge-transfer properties. Furthermore, their photophysical properties can be readily optimized and enhanced by means of doping, functionalization, and post-synthetic treatment. In this review, we summarize the recent progress in CDs synthesized using bottom-up approaches. These CDs exhibit strong light absorption and unique electron donor/acceptor capabilities for light-harvesting applications. We anticipate that this review will provide new insights into novel types of photosensitizers and photocatalysts for a wide range of applications.
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Affiliation(s)
- Yuri Choi
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Yeongkyu Choi
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Oh-Hoon Kwon
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea.,Center for Soft and Living Matter, Institute for Basic Science (IBS), Ulsan, 44919, Republic of Korea
| | - Byeong-Su Kim
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea.,Department of Energy Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
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