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Li YX, Zhang S, Huang Y, Li J, Chen Y, Gao L, Dai H. Portable multimodal platform with carbon nano-onions as colorimetric and fluorescent signal output for trypsin detection. Talanta 2024; 281:126819. [PMID: 39245005 DOI: 10.1016/j.talanta.2024.126819] [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: 06/25/2024] [Revised: 08/18/2024] [Accepted: 09/04/2024] [Indexed: 09/10/2024]
Abstract
Multimodal biosensors with independent signaling pathways can self-calibrate and improve the reliability of disease biomarker detection. Herein, a colorimetric-fluorescent dual-mode paper-based biosensor with PAN/Fe(III)-CNOs (FPCs) as core components has been developed, which information is recognized by smartphone and naked eye. Using 1-(2-pyridylazo)-2-naphthol (PAN) as a mediator, Fe(III) is enriched on the surface of carbon nano-onions (CNOs), endowing FPCs with excellent mimetic enzyme activity and photothermal conversion ability, which allows it to output amplified colorimetric signals under laser irradiation. In addition, the complexation of PAN with Fe(III) broadens its absorption spectrum, which makes FPCs more suitable to be energy acceptors to quench fluorescence of polymer dots (Pdots), resulting in the changes of output fluorescent signal. Based on the above design, a portable colorimetric-fluorescent dual-mode biosensor is proposed for trypsin detection with Pdots as fluorescence sources and FPCs as fluorescence quenchers and nanoenzymes. This work provides a convenient way for constructing portable visual multimodal biosensors, which is expected to applied in various disease diagnosis.
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Affiliation(s)
- Yi-Xuan Li
- College of Chemical and Material Engineering, Quzhou University, Quzhou, Zhejiang, 324000, China.
| | - Shupei Zhang
- College of Chemical and Material Engineering, Quzhou University, Quzhou, Zhejiang, 324000, China
| | - Yitian Huang
- College of Chemical and Material Engineering, Quzhou University, Quzhou, Zhejiang, 324000, China
| | - Jianing Li
- College of Chemical and Material Engineering, Quzhou University, Quzhou, Zhejiang, 324000, China
| | - Yanjie Chen
- College of Chemical and Material Engineering, Quzhou University, Quzhou, Zhejiang, 324000, China
| | - Lihong Gao
- College of Chemical and Material Engineering, Quzhou University, Quzhou, Zhejiang, 324000, China.
| | - Hong Dai
- College of Chemical and Material Engineering, Quzhou University, Quzhou, Zhejiang, 324000, China.
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Wang Z, Min S, Li R, Lin W, Li K, Wang S, Kang L. Constructing cuprous oxide-modified zinc tetraphenylporphyrin ultrathin nanosheets heterojunction for enhanced photocatalytic carbon dioxide reduction to methane. J Colloid Interface Sci 2024; 667:212-222. [PMID: 38636223 DOI: 10.1016/j.jcis.2024.04.076] [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: 01/25/2024] [Revised: 04/11/2024] [Accepted: 04/12/2024] [Indexed: 04/20/2024]
Abstract
The application of supermolecular naonostructures in the photocatalytic carbon dioxide reduction reaction (CO2RR) has attracted increasing attentions. However, it still faces significant challenges, such as low selectivity for multi-electron products and poor stability. Here, the cuprous oxide (Cu2O)-modified zinc tetraphenylporphyrin ultrathin nanosheets (ZnTPP NSs) are successfully constructed through the aqueous chemical reaction. Comprehensive characterizations confirm the formation of type-II heterojunction between Cu2O and ZnTPP in Cu2O@ZnTPP, and the electron transfer from Cu2O to ZnTPP through the Zn-O-Cu bond under the static contact. Under the visible-light irradiation (λ > 420 nm), the optimized Cu2O@ZnTPP sample as catalyst for photocatalytic CO2RR exhibits the methane (CH4) evolution rate of 120.9 μmol/g/h, which is ∼ 4 and ∼ 10 times those of individual ZnTPP NSs (28.0 μmol/g/h) and Cu2O (12.8 μmol/g/h), respectively. Meanwhile, the CH4 selectivity of ∼ 98.7 % and excellent stability can be achieved. Further experiments reveal that Cu2O@ZnTPP has higher photocatalytic conversion efficiency than Cu2O and ZnTPP NSs, and the photoinduced electron transfer from ZnTPP to Cu2O can be identified via the path of ZnTPP→ (ZnTPP•ZnTPP)*→ ZnTPP-→ Zn-O-Cu → Cu2O. Consequently, Cu2O@ZnTPP exhibits a shorter electron-hole separation lifetime (3.3 vs. 9.3 ps) and a longer recombination lifetime (23.1 vs. 13.4 ps) than individual ZnTPP NSs. This work provides a strategy to construct the organic nanostructures for photocatalytic CO2RR to multi-electron products.
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Affiliation(s)
- Zhuoyue Wang
- Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China; Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, PR China; College of Chemistry, Fuzhou University, Fuzhou 350116, PR China; University Chinese Academy of Science, Fujian College, Fuzhou 350002, PR China
| | - Shihao Min
- Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China; Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, PR China; College of Chemistry, Fuzhou University, Fuzhou 350116, PR China; University Chinese Academy of Science, Fujian College, Fuzhou 350002, PR China
| | - Renfu Li
- Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China; Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, PR China; University Chinese Academy of Science, Fujian College, Fuzhou 350002, PR China
| | - Wenlie Lin
- Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China; Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, PR China; University Chinese Academy of Science, Fujian College, Fuzhou 350002, PR China
| | - Kang Li
- Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China; Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, PR China; University Chinese Academy of Science, Fujian College, Fuzhou 350002, PR China
| | - Shoufeng Wang
- Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China; Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, PR China; College of Chemistry, Fuzhou University, Fuzhou 350116, PR China; University Chinese Academy of Science, Fujian College, Fuzhou 350002, PR China
| | - Longtian Kang
- Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China; Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, PR China; University Chinese Academy of Science, Fujian College, Fuzhou 350002, PR China.
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Yang L, Du J, Deng J, Sulaiman NHM, Feng X, Liu C, Zhou X. Defective Nb 2C MXene Cocatalyst on TiO 2 Microsphere for Enhanced Photocatalytic CO 2 Conversion to Methane. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307007. [PMID: 38054782 DOI: 10.1002/smll.202307007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 11/12/2023] [Indexed: 12/07/2023]
Abstract
Sustainable and scalable solar-energy-driven CO2 conversion into fuels requires earth-abundant and stable photocatalysts. In this work, a defective Nb2C MXene as a cocatalyst and TiO2 microspheres as photo-absorbers, constructed via a coulombic force-driven self-assembly, is synthesized. Such photocatalyst, at an optimized loading of defective Nb2C MXene (5% def-Nb2C/TiO2), exhibits a CH4 production rate of 7.23 µmol g-1 h-1, which is 3.8 times higher than that of TiO2. The Schottky junction at the interface improves charge transfer from TiO2 to defective Nb2C MXene and the electron-rich feature (nearly free electron states) enables multielectron reaction of CO2, which apparently leads to high activity and selectivity to CH4 (sel. 99.5%) production. Moreover, DFT calculation demonstrates that the Fermi level (EF) of defective Nb2C MXene (-0.3 V vs NHE) is more positive than that of Nb2C MXene (-1.0 V vs NHE), implying a strong capacity to accept photogenerated electrons and enhance carrier lifetime. This work gives a direction to modify the earth-abundant MXene family as cocatalysts to build high-performance photocatalysts for energy production.
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Affiliation(s)
- Lei Yang
- School of Chemical Engineering, Sichuan University, Chengdu, 610065, China
| | - Jiajun Du
- School of Chemical Engineering, Sichuan University, Chengdu, 610065, China
| | - Jun Deng
- School of Chemical Engineering, Sichuan University, Chengdu, 610065, China
| | | | - Xuan Feng
- School of Chemical Engineering, Sichuan University, Chengdu, 610065, China
| | - Chong Liu
- School of Chemical Engineering, Sichuan University, Chengdu, 610065, China
| | - Xuemei Zhou
- School of Chemical Engineering, Sichuan University, Chengdu, 610065, China
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Jin Z, Zhang J, Qiu J, Hu Y, Di T, Wang T. Nitrogen vacancy-induced spin polarization of ultrathin zinc porphyrin nanosheets for efficient photocatalytic CO 2 reduction. J Colloid Interface Sci 2023; 652:122-131. [PMID: 37591074 DOI: 10.1016/j.jcis.2023.08.025] [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: 05/15/2023] [Revised: 08/01/2023] [Accepted: 08/05/2023] [Indexed: 08/19/2023]
Abstract
Metalloporphyrin compounds have excellent electron transfer and visible light absorption ability, demonstrating broad application prospects in the field of photocatalysis. In this work, the nitrogen vacancies (NVs) were successfully introduced into zinc porphyrin (ZnTCPP) ultrathin nanosheets through surface N2 plasma treatment, which is environmentally friendly and can react in low temperatures. Furthermore, the prepared nitrogen vacancies-zinc porphyrin (NVs-ZnTCPP) materials exhibited excellent photocatalytic CO2 reduction activity and selectivity, specifically, the CO production rate of ZnTCPP-1 (N2 plasma treatment, 1 min) achieved as high as 12.5 µmol g-1h-1, which is about 2.7 times greater than that of untreated ZnTCPP. Based on the experimental and density functional theory calculation (DFT) results, it is found that the promoted photocatalytic performance of NVs-ZnTCPP could be mainly attributed to nitrogen vacancy-induced spin polarization by reducing the reaction barriers and inhibiting the recombination of photoexcited carriers. This work provides a new perspective for the construction of vacancy-based metalloporphyrin, and further explores the intrinsic mechanism between the electron spin property and the performance of the photocatalyst.
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Affiliation(s)
- Zhenxing Jin
- Key Laboratory of Green Chemical Process of Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, PR China
| | - Jun Zhang
- Key Laboratory of Green Chemical Process of Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, PR China.
| | - Jiyu Qiu
- Key Laboratory of Green Chemical Process of Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, PR China
| | - Yuxuan Hu
- Key Laboratory of Green Chemical Process of Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, PR China
| | - Tingmin Di
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, PR China
| | - Tielin Wang
- Key Laboratory of Green Chemical Process of Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, PR China.
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Rawal J, Lee SY, Park SJ. Facile synthesis of a GO-g-C 3N 4/BaTiO 3 ternary nanocomposites for visible-light-driven photocatalytic degradation of rhodamine B. CHEMOSPHERE 2023; 345:140479. [PMID: 37863208 DOI: 10.1016/j.chemosphere.2023.140479] [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: 07/02/2023] [Revised: 10/13/2023] [Accepted: 10/16/2023] [Indexed: 10/22/2023]
Abstract
Photogenerated charge carriers can undergo rapid recombination in conventional photocatalyst systems, reducing their photocatalytic efficiency. To address this bottleneck, a g-C3N4/BaTiO3 (CNB) heterojunction composite was decorated with different mass ratios of graphene oxide (GO) to form a novel visible-light responsive ternary GO-g-C3N4/BaTiO3 (GOCNB) nanocomposite using a facile fabrication method. The GOCNB photocatalyst exhibited significantly higher light absorption and greater charge transfer than CNB, g-C3N4, or BaTiO3. The photodegradation performance of GOCNB was optimized with a 2% mass loading of GO, and it achieved a degradation rate constant of 14.9 × 10-3 min-1 for rhodamine B with an efficiency of 94% within 180 min. The rate constant was 8-fold and 6-fold higher than that of bare BaTiO3 and CNB, respectively. The stronger photocatalytic activity was attributed to the synergistic effect of GO, g-C3N4, and BaTiO3, with g-C3N4 and BaTiO3 promoting charge transfer within a wider visible light range and GO promoting electron mobility and the photocatalyst's adsorption capacity. In particular, the proposed system maintained the spatial separation of photogenerated electron-hole pairs, which is vital for high photocatalytic activity. This study provides new insights into semiconductor-based photocatalytic systems and suggests a route for more environmentally sustainable technologies.
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Affiliation(s)
- Jishu Rawal
- Department of Chemistry, Inha University, 100 Inharo, Incheon, 22212, South Korea.
| | - Seul-Yi Lee
- Department of Chemistry, Inha University, 100 Inharo, Incheon, 22212, South Korea.
| | - Soo-Jin Park
- Department of Chemistry, Inha University, 100 Inharo, Incheon, 22212, South Korea.
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Zhao X, Wang Y, Huang C, Gao Y, Huang M, Ding Y, Wang X, Si Z, Zhou D, Kang F. Tetraphenylporphyrin-based Chelating Ligand Additive as a Molecular Sieving Interfacial Barrier toward Durable Aqueous Zinc Metal Batteries. Angew Chem Int Ed Engl 2023; 62:e202312193. [PMID: 37772347 DOI: 10.1002/anie.202312193] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 09/29/2023] [Accepted: 09/29/2023] [Indexed: 09/30/2023]
Abstract
The sustained water consumption and uncontrollable dendrite growth strongly hamper the practical applications of rechargeable zinc (Zn) metal batteries (ZMBs). Herein, for the first time, we demonstrate that trace amount of chelate ligand additive can serve as a "molecular sieve-like" interfacial barrier and achieve highly efficient Zn plating/stripping. As verified by theoretical modeling and experimental investigations, the benzenesulfonic acid groups on the additive molecular not only facilitates its water solubility and selective adsorption on the Zn anode, but also effectively accelerates the de-solvation kinetics of Zn2+ . Meanwhile, the central porphyrin ring on the chelate ligand effectively expels free water molecules from Zn2+ via chemical binding against hydrogen evolution, and reversibly releases the captured Zn2+ to endow a dendrite-free Zn deposition. By virtue of this non-consumable additive, high average Zn plating/stripping efficiency of 99.7 % over 2100 cycles together with extended lifespan and suppressed water decomposition in the Zn||MnO2 full battery were achieved, thus opening a new avenue for developing highly durable ZMBs.
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Affiliation(s)
- Xin Zhao
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
| | - Yao Wang
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
| | - Cong Huang
- College of Materials Science and Engineering Hunan Province Key Laboratory for Advanced Carbon Materials and Applied Technology, Hunan University, 410082, Changsha, Hunan, China
| | - Yifu Gao
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
| | - Miaofei Huang
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
| | - Yichen Ding
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
| | - Xia Wang
- Max-Planck-Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187, Dresden, Germany
| | - Zhichun Si
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
| | - Dong Zhou
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
| | - Feiyu Kang
- Tsinghua Shenzhen International Graduate School, Tsinghua University, 518055, Shenzhen, Guangdong, China
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