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Zhi F, Wu S, Lai C, He M, Deng W, Zhang D, Peng X, Wu Q, Xia J, Lu ZH, Wang M, Zhang WG, Xu J, Liu C, Peng G. Unravelling the Photoelectrochemical Water Splitting of Nanometer-Thick Carbon Nitride Layer. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2401123. [PMID: 38659372 DOI: 10.1002/smll.202401123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 04/03/2024] [Indexed: 04/26/2024]
Abstract
Matching the thickness of the graphitic carbon nitride (CN) nanolayer with the charge diffusion length is expected to compensate for the poor intrinsic conductivity and charge recombination in CN for photoelectrochemical cells (PEC). Herein, the compact CN nanolayer with tunable thickness is in situ coated on carbon fibers. The compact packing along with good contact with the substrate improves the electron transport and alleviates the charge recombination. The PEC investigation shows CN nanolayer of 93 nm-thick yields an optimum photocurrent of 116 µA cm-2 at 1.23 V versus RHE, comparable to most micrometer-thick CN layers, with a low onset potential of 0.2 V in 1 m KOH under 1 sun illumination. This optimum performance suggests the electron diffusion length matches with the thickness of the CN nanolayer. Further deposition of NiFe-layered double hydroxide enhanced the surface water oxidation kinetics, delivering an improved photocurrent of 210 µA cm-2 with IPCE of 12.8% at 400 nm. The CN nanolayer also shows extended potential in PEC organic synthesis. This work experimentally reveals the PEC behavior of the nanometer-thick CN layer, providing new insights into CN in the application of energy and environment-related fields.
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Affiliation(s)
- Fengmei Zhi
- College of Chemistry and Chemical Engineering, National Engineering Research Center for Carbonhydrate Synthesis, Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Jiangxi Normal University, Nanchang, 330022, China
| | - Suqin Wu
- College of Chemistry and Chemical Engineering, National Engineering Research Center for Carbonhydrate Synthesis, Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Jiangxi Normal University, Nanchang, 330022, China
- GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, School of Chemistry, South China Normal University, Guangzhou, 510006, China
| | - Chen Lai
- College of Chemistry and Chemical Engineering, National Engineering Research Center for Carbonhydrate Synthesis, Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Jiangxi Normal University, Nanchang, 330022, China
| | - Mao He
- College of Chemistry and Chemical Engineering, National Engineering Research Center for Carbonhydrate Synthesis, Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Jiangxi Normal University, Nanchang, 330022, China
| | - Wenjie Deng
- College of Chemistry and Chemical Engineering, National Engineering Research Center for Carbonhydrate Synthesis, Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Jiangxi Normal University, Nanchang, 330022, China
| | - Dexu Zhang
- College of Chemistry and Chemical Engineering, National Engineering Research Center for Carbonhydrate Synthesis, Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Jiangxi Normal University, Nanchang, 330022, China
| | - Xiaoying Peng
- College of Chemistry and Chemical Engineering, National Engineering Research Center for Carbonhydrate Synthesis, Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Jiangxi Normal University, Nanchang, 330022, China
| | - Qizheng Wu
- College of Chemistry and Chemical Engineering, National Engineering Research Center for Carbonhydrate Synthesis, Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Jiangxi Normal University, Nanchang, 330022, China
| | - Jiawei Xia
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China
| | - Zhang-Hui Lu
- College of Chemistry and Chemical Engineering, National Engineering Research Center for Carbonhydrate Synthesis, Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Jiangxi Normal University, Nanchang, 330022, China
| | - Mingzhan Wang
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA
| | - Wei-Guang Zhang
- GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, School of Chemistry, South China Normal University, Guangzhou, 510006, China
| | - Jingsan Xu
- School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology, Brisbane, Queensland, 4001, Australia
| | - Chong Liu
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA
| | - Guiming Peng
- College of Chemistry and Chemical Engineering, National Engineering Research Center for Carbonhydrate Synthesis, Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Jiangxi Normal University, Nanchang, 330022, China
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Sharma P, Ganguly M, Sahu M. Role of transition metals in coinage metal nanoclusters for the remediation of toxic dyes in aqueous systems. RSC Adv 2024; 14:11411-11428. [PMID: 38595712 PMCID: PMC11002567 DOI: 10.1039/d4ra00931b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 03/26/2024] [Indexed: 04/11/2024] Open
Abstract
A difficult issue in chemistry and materials science is to create metal compounds with well-defined components. Metal nanoclusters, particularly those of coinage groups (Cu, Ag, and Au), have received considerable research interest in recent years owing to the availability of atomic-level precision via joint experimental and theoretical methods, thus revealing the mechanisms in diverse nano-catalysts and functional materials. The textile sector significantly contributes to wastewater containing pollutants such as dyes and chemical substances. Textile and fabric manufacturing account for about 7 × 105 tons of wastewater annually. Approximately one thousand tons of dyes used in textile processing and finishing has been recorded as being discharged into natural streams and water bodies. Owing to the widespread environmental concerns, research has been conducted to develop absorbents that are capable of removing contaminants and heavy metals from water bodies using low-cost technology. Considering this idea, we reviewed coinage metal nanoclusters for azo and cationic dye degradation. Fluorometric and colorimetric techniques are used for dye degradation using coinage metal nanoclusters. Few reports are available on dye degradation using silver nanoclusters; and some of them are discussed in detailed herein to demonstrate the synergistic effect of gold and silver in dye degradation. Mostly, the Rhodamine B dye is degraded using coinage metals. Silver nanoclusters take less time for degradation than gold and copper nanoclusters. Mostly, H2O2 is used for degradation in gold nanoclusters. Still, all coinage metal nanoclusters have been used for the degradation due to suitable HOMO-LUMO gap, and the adsorption of a dye onto the surface of the catalyst results in the exchange of electrons and holes, which leads to the oxidation and reduction of the adsorbed dye molecule. Compared to other coinage metal nanoclusters, Ag/g-C3N4 nanoclusters displayed an excellent degradation rate constant with the dye Rhodamine B (0.0332 min-1). The behavior of doping transition metals in coinage metal nanoclusters is also reviewed herein. In addition, we discuss the mechanistic grounds for degradation, the fate of metal nanoclusters, anti-bacterial activity of nanoclusters, toxicity of dyes, and sensing of dyes.
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Affiliation(s)
- Priyanka Sharma
- Department of Chemistry, Manipal University Jaipur Dehmi Kalan Jaipur 303007 India
| | - Mainak Ganguly
- Department of Chemistry, Manipal University Jaipur Dehmi Kalan Jaipur 303007 India
| | - Mamta Sahu
- Department of Chemistry, Manipal University Jaipur Dehmi Kalan Jaipur 303007 India
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Tang K, Shao JY, Yan Y, Zhong YW. Photoelectrochemical Cells with a Pyridine-Anchored Bilayer Photoanode for Water Splitting. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:6244-6252. [PMID: 38482812 DOI: 10.1021/acs.langmuir.3c03722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
A dye-sensitized photoanode is prepared by coassembling a Ru complex photosensitizer and a Ru water oxidation catalyst (WOC) on a TiO2 substrate, in which the WOC molecules are immobilized in a layer-by-layer fashion through metal-pyridine coordination with the aid of a bifunctional anchoring and bridging molecule containing multiple pyridine groups. Under visible-light irradiation, an anodic photocurrent of around 200 μA/cm2 has been achieved with O2 and H2 being generated at the photoanode and Pt counter electrode, respectively. The pyridine anchoring strategy provides a simple method to prepare photoelectrodes for applications in photoelectrochemical cells.
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Affiliation(s)
- Kun Tang
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences; Beijing 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiang-Yang Shao
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences; Beijing 100190, China
| | - Yongli Yan
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences; Beijing 100190, China
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences; Beijing 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
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Zhao Y, Raj J, Xu X, Jiang J, Wu J, Fan M. Carbon Catalysts Empowering Sustainable Chemical Synthesis via Electrochemical CO 2 Conversion and Two-Electron Oxygen Reduction Reaction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2311163. [PMID: 38308114 DOI: 10.1002/smll.202311163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/01/2024] [Indexed: 02/04/2024]
Abstract
Carbon materials hold significant promise in electrocatalysis, particularly in electrochemical CO2 reduction reaction (eCO2 RR) and two-electron oxygen reduction reaction (2e- ORR). The pivotal factor in achieving exceptional overall catalytic performance in carbon catalysts is the strategic design of specific active sites and nanostructures. This work presents a comprehensive overview of recent developments in carbon electrocatalysts for eCO2 RR and 2e- ORR. The creation of active sites through single/dual heteroatom doping, functional group decoration, topological defect, and micro-nano structuring, along with their synergistic effects, is thoroughly examined. Elaboration on the catalytic mechanisms and structure-activity relationships of these active sites is provided. In addition to directly serving as electrocatalysts, this review explores the role of carbon matrix as a support in finely adjusting the reactivity of single-atom molecular catalysts. Finally, the work addresses the challenges and prospects associated with designing and fabricating carbon electrocatalysts, providing valuable insights into the future trajectory of this dynamic field.
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Affiliation(s)
- Yuying Zhao
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, China
- Key Lab of Biomass Energy and Material, Jiangsu Province, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing, Jiangsu, 210042, China
| | - Jithu Raj
- Department of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, OH, 45221, USA
| | - Xiang Xu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Jianchun Jiang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, China
- Key Lab of Biomass Energy and Material, Jiangsu Province, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing, Jiangsu, 210042, China
| | - Jingjie Wu
- Department of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, OH, 45221, USA
| | - Mengmeng Fan
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, China
- Key Lab of Biomass Energy and Material, Jiangsu Province, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing, Jiangsu, 210042, China
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Jena M, Mallick S, Rath A, Dalai MK, Das DP. GQD@NiFe-LDH Nanosheets for Photocatalytic Activity towards Textile Dye Degradation via Lattice Contraction. Chempluschem 2023; 88:e202300276. [PMID: 37592812 DOI: 10.1002/cplu.202300276] [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: 06/07/2023] [Revised: 08/14/2023] [Accepted: 08/17/2023] [Indexed: 08/19/2023]
Abstract
The functionalized NiFe-LDH with photosensitized GQDs were synthesized through the hydrothermal route by differing the amount of GQDs solution and studied its efficacy towards the mineralization of textile dyes under visible light. The synthesized samples were characterized by XRD, FESEM, HRTEM, DRUV-Vis, RAMAN, XPS, and BET. The combined effect of the hexagonal carbon lattice in GQD and open layered porous structure of NiFe-LDH nanosheets results in the contraction of the lattice. Different reactive and conventional dyes were taken as representative dyes to evaluate the activity of the as-synthesized photocatalysts. The enhanced electron absorption/donor effect between GQDs and NiFe-LDH, and the growth of oxygen-bridged Ni/Fe-C moieties enable the composite to exhibit better photocatalytic activity. Both photocatalytic activity and characterization results confirmed that the GQD@NiFe-LDH nanocomposite heterostructure synthesized at 160 °C by taking 10 mL of GQDs aqueous solution named GNFLDH10 has a higher degree of crystallinity and has the best photocatalytic efficiency compared to other reported visible light catalysts. Specifically, the above optimized GQD@NiFe-LDH photocatalyst is capable of photo-mineralizing 50 ppm of Reactive Green in 20 min, Reactive Red in 20 min, and Congo Red in 25 min respectively following a direct Z-scheme mechanism with substantial reusability.
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Affiliation(s)
- Manasi Jena
- Central Characterisation Department, CSIR-Institute of Minerals and Materials Technology (CSIR-IMMT), Bhubaneswar, 751013, Odisha, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, -201002, India
| | - Sagar Mallick
- Central Characterisation Department, CSIR-Institute of Minerals and Materials Technology (CSIR-IMMT), Bhubaneswar, 751013, Odisha, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, -201002, India
| | - Ashutosh Rath
- Central Characterisation Department, CSIR-Institute of Minerals and Materials Technology (CSIR-IMMT), Bhubaneswar, 751013, Odisha, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, -201002, India
| | - Manas Kumar Dalai
- Central Characterisation Department, CSIR-Institute of Minerals and Materials Technology (CSIR-IMMT), Bhubaneswar, 751013, Odisha, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, -201002, India
| | - Dipti P Das
- Central Characterisation Department, CSIR-Institute of Minerals and Materials Technology (CSIR-IMMT), Bhubaneswar, 751013, Odisha, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, -201002, India
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Li B, Tian Z, Li L, Wang YH, Si Y, Wan H, Shi J, Huang GF, Hu W, Pan A, Huang WQ. Directional Charge Transfer Channels in a Monolithically Integrated Electrode for Photoassisted Overall Water Splitting. ACS NANO 2023; 17:3465-3482. [PMID: 36763083 DOI: 10.1021/acsnano.2c09659] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Photoelectrocatalytic performance of a system is fundamentally determined by the full absorption of sunlight and high utilization of photoexcited carriers, but efficiency of the latter is largely limited by inefficient charge transfer from the absorber to reactive sites. Here, we propose to construct directional charge transfer channels in a monolithically integrated electrode, taking carbon dots/carbon nitride (CCN) nanotubes and FeOOH/FeCo layered double hydroxide (FFC) nanosheets as a representative, to boost the photoassisted overall water splitting performance. Detailed experimental investigations and DFT calculations demonstrate that the interfacial C-O-Fe bonds between CCN and FFC act as charge transfer channels, facilitating the directional migration of the photogenerated carriers between CCN and FFC surfaces. Moreover, the in situ oxidized Fe/Co species by photogenerated holes trigger lattice oxygen activation, realizing the construction of the Fe-Co dual-site as the catalytic center and efficiently lowering the barrier energy for water oxidation. As a result, the CCN@FFC electrode shows multiple functionalities in photoelectrocatalysis: only a low overpotential of 68 mV, 182 mV, and 1.435 V is required to deliver 10 mA cm-2 current densities for the photoassisted HER, OER, and overall water splitting, respectively. This directional charge transfer modulation strategy may facilitate the design of highly active and cost-effective multifunctional catalysts for energy conversion and storage.
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Affiliation(s)
- Bo Li
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Zhi Tian
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Lei Li
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Yu-Han Wang
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Yuan Si
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Hui Wan
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Jinghui Shi
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Gui-Fang Huang
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
| | - Wangyu Hu
- School of Materials Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Anlian Pan
- School of Materials Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Wei-Qing Huang
- Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, P. R. China
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Dong Z, Su S, Zhang Z, Jiang Y, Xu J. NiFe-Layered Double Hydroxides/Lead-free Cs 2AgBiBr 6 Perovskite 2D/2D Heterojunction for Photocatalytic CO 2 Conversion. Inorg Chem 2023; 62:1752-1761. [PMID: 36644842 DOI: 10.1021/acs.inorgchem.2c04374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Designing of heterojunction photocatalysts with appropriate interfacial contact plays crucial roles in enhancing the interfacial charge transfer/separation. A two-dimensional (2D)/2D face-to-face heterojunction is an ideal option since this architecture with a large contact area can provide abundant reactive centers and promote the interfacial charge transfer/separation between layers. Herein, a novel 2D/2D heterojunction of NiFe-layered double hydroxides (NiFe-LDH)/Cs2AgBiBr6 (CABB) was fabricated by electrostatic self-assembly of NiFe-LDH and CABB nanosheets. This unique 2D/2D architecture endowed NiFe-LDH/CABB with a large contact area and a short charge transport distance, assuring remarkable interfacial charge transfer/separation rates. As a result, the 2D/2D NiFe-LDH/CABB heterojunction exhibited significant improvement in photocatalytic CO2 reduction under visible light than the pristine counterparts. Based on density functional theory calculations and various characterizations, a step scheme charge-transfer mechanism was proposed. This investigation sheds light on the designing and manufacturing of highly efficient 2D/2D heterostructure photocatalysts for artificial photosynthesis.
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Affiliation(s)
- Zhongliang Dong
- School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, P. R. China
| | - Shiwei Su
- School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, P. R. China
| | - Zhijie Zhang
- School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, P. R. China
| | - Ying Jiang
- School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, P. R. China
| | - Jiayue Xu
- School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, P. R. China
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Atomically precise Au25(GSH)18 nanoclusters versus plasmonic Au nanocrystals: Evaluating charge impetus in solar water oxidation. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.107901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Yang Q, Qin W, Xie Y, Zong K, Guo Y, Song Z, Luo G, Raza W, Hussain A, Ling Y, Luo J, Zhang W, Ye H, Zhao J. Constructing 2D/1D heterostructural BiOBr/CdS composites to promote CO2 photoreduction. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121603] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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10
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Chaudhuri H, Yun YS. Synthesis and environmental applications of graphene oxide/layered double hydroxides and graphene oxide/MXenes: A critical review. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121518] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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11
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Lin J, Pan H, Chen Z, Wang L, Li Y, Zhu S. Graphene‐Based Nanomaterials for Solar‐Driven Overall Water Splitting. Chemistry 2022; 28:e202200722. [DOI: 10.1002/chem.202200722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Jingyi Lin
- State Key Laboratory of Metal Matrix Composites School of Materials Science and Engineering Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
| | - Hui Pan
- State Key Laboratory of Metal Matrix Composites School of Materials Science and Engineering Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
| | - Zhixin Chen
- School of Mechanical, Materials, Mechatronics and Biomedical Engineering University of Wollongong Wollongong 2522 Australia
| | - Lianzhou Wang
- Nanomaterials Centre School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology The University of Queensland Queensland QLD 4072 Australia
| | - Yao Li
- State Key Laboratory of Metal Matrix Composites School of Materials Science and Engineering Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
| | - Shenmin Zhu
- State Key Laboratory of Metal Matrix Composites School of Materials Science and Engineering Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
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Recent Progress on Photoelectrochemical Water Splitting of Graphitic Carbon Nitride (g−CN) Electrodes. NANOMATERIALS 2022; 12:nano12142374. [PMID: 35889598 PMCID: PMC9321715 DOI: 10.3390/nano12142374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/06/2022] [Accepted: 07/08/2022] [Indexed: 02/04/2023]
Abstract
Graphitic carbon nitride (g−CN), a promising visible-light-responsive semiconductor material, is regarded as a fascinating photocatalyst and heterogeneous catalyst for various reactions due to its non-toxicity, high thermal durability and chemical durability, and “earth-abundant” nature. However, practical applications of g−CN in photoelectrochemical (PEC) and photoelectronic devices are still in the early stages of development due to the difficulties in fabricating high-quality g−CN layers on substrates, wide band gaps, high charge-recombination rates, and low electronic conductivity. Various fabrication and modification strategies of g−CN-based films have been reported. This review summarizes the latest progress related to the growth and modification of high-quality g−CN-based films. Furthermore, (1) the classification of synthetic pathways for the preparation of g−CN films, (2) functionalization of g−CN films at an atomic level (elemental doping) and molecular level (copolymerization), (3) modification of g−CN films with a co-catalyst, and (4) composite films fabricating, will be discussed in detail. Last but not least, this review will conclude with a summary and some invigorating viewpoints on the key challenges and future developments.
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Nguyen TT, Tran HH, Cao TM, Pham VV. Direct fabrication of graphitic carbon nitride-wrapped titanate nanotube arrays toward photoelectrochemical water oxidation in neutral medium. KOREAN J CHEM ENG 2022. [DOI: 10.1007/s11814-022-1132-1] [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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Liao Y, Song J, Si Y, Yu J, Ding B. Superelastic and Photothermal RGO/Zr-Doped TiO 2 Nanofibrous Aerogels Enable the Rapid Decomposition of Chemical Warfare Agents. NANO LETTERS 2022; 22:4368-4375. [PMID: 35621708 DOI: 10.1021/acs.nanolett.2c00776] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
To date, the reckless use of deadly chemical warfare agents (CWAs) has posed serious risks to humanity, property, and ecological environment. Therefore, necessary materials able to rapidly adsorb and securely decompose these hazardous toxics are in urgent demand. Herein, three-dimensional (3D) reduced graphene oxide/Zr-doped TiO2 nanofibrous aerogels (RGO/ZT NAs) are synthesized by feasibly combining sol-gel electrospinning technology and a unidirectional freeze-drying approach. Benefiting from the synergetic coassembly of flexible ZT nanofibers and pliable RGO nanosheets, the hierarchically entangled fibrous frameworks feature ultralow density, superior elasticity, and robust fatigue resistance over 106 compressive cycles. In particular, the RGO incorporation is attributed to the achieved increased surface area, stronger light absorption, and decreased recombination of charge-carriers for photocatalysis. The highly porous 3D RGO/ZT NAs deliver enhanced photothermal catalytic activity for CWA degradation as well as excellent recyclability and good photostability. This work opens fresh horizons for developing advanced 3D aerogel-based photocatalysts in a controlled fashion.
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Affiliation(s)
- Yalong Liao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Textiles, Donghua University, Shanghai 201620, China
| | - Jun Song
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Textiles, Donghua University, Shanghai 201620, China
| | - Yang Si
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Textiles, Donghua University, Shanghai 201620, China
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai 200051, China
| | - Jianyong Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Textiles, Donghua University, Shanghai 201620, China
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai 200051, China
| | - Bin Ding
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Textiles, Donghua University, Shanghai 201620, China
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai 200051, China
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15
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High-performance bulk heterojunction-based photocathode with facile architecture for photoelectrochemical water splitting. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.04.078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Li X, Wang J, Xia J, Fang Y, Hou Y, Fu X, Shalom M, Wang X. One-Pot Synthesis of CoS 2 Merged in Polymeric Carbon Nitride Films for Photoelectrochemical Water Splitting. CHEMSUSCHEM 2022; 15:e202200330. [PMID: 35212173 DOI: 10.1002/cssc.202200330] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 02/23/2022] [Indexed: 06/14/2023]
Abstract
Polymeric carbon nitride (PCN) has attracted intensive interest as sustainable, metal-free semiconductor for photoelectrochemical (PEC) water splitting. Charge transfer along the films acts as the main concern to restrict the performance due to the amorphous nature of polymer. Herein, gradient concentration of cobalt disulfide (CoS2 ) merged in PCN films was realized as CSCN photoanode by a one-pot synthesis. Owing to the unique properties of CoS2 , namely high conductivity, the charge transfer of the CSCN photoanode was promoted, and thus the performance for PEC water oxidation was improved. The optimal photoanode exhibited a photoanodic current of 200 μA cm-2 at 1.23 V versus reversible hydrogen electrode under air mass 1.5 global (AM 1.5G) illumination, which was approximately 4 times that of the pristine PCN photoanode. This work provides a new design of metal-free photoanodes to improve the performance of water splitting.
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Affiliation(s)
- Xiaochun Li
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, P. R. China
| | - Jiawen Wang
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, P. R. China
| | - Jiawei Xia
- Department of Chemistry and Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva, 8410501, Israel
| | - Yuanxing Fang
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, P. R. China
| | - Yidong Hou
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, P. R. China
| | - Xianzhi Fu
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, P. R. China
| | - Menny Shalom
- Department of Chemistry and Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva, 8410501, Israel
| | - Xinchen Wang
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, P. R. China
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17
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Liu Y, Zhang X, Lu L, Ye J, Wang J, Li X, Bai X, Wang W. Nanoplasmonic zirconium nitride photocatalyst for direct overall water splitting. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.07.054] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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18
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Wong KC, Goh PS, Ismail AF, Kang HS, Guo Q, Jiang X, Ma J. The State-Of-The-Art Functionalized Nanomaterials for Carbon Dioxide Separation Membrane. MEMBRANES 2022; 12:membranes12020186. [PMID: 35207107 PMCID: PMC8879035 DOI: 10.3390/membranes12020186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/21/2022] [Accepted: 01/26/2022] [Indexed: 02/01/2023]
Abstract
Nanocomposite membrane (NCM) is deemed as a practical and green separation solution which has found application in various fields, due to its potential to delivery excellent separation performance economically. NCM is enabled by nanofiller, which comes in a wide range of geometries and chemical features. Despite numerous advantages offered by nanofiller incorporation, fabrication of NCM often met processing issues arising from incompatibility between inorganic nanofiller and polymeric membrane. Contemporary, functionalization of nanofiller which modify the surface properties of inorganic material using chemical agents is a viable approach and vigorously pursued to refine NCM processing and improve the odds of obtaining a defect-free high-performance membrane. This review highlights the recent progress on nanofiller functionalization employed in the fabrication of gas-separative NCMs. Apart from the different approaches used to obtain functionalized nanofiller (FN) with good dispersion in solvent and polymer matrix, this review discusses the implication of functionalization in altering the structure and chemical properties of nanofiller which favor interaction with specific gas species. These changes eventually led to the enhancement in the gas separation efficiency of NCMs. The most frequently used chemical agents are identified for each type of gas. Finally, the future perspective of gas-separative NCMs are highlighted.
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Affiliation(s)
- Kar Chun Wong
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia;
| | - Pei Sean Goh
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia;
- Correspondence: (P.S.G.); (A.F.I.)
| | - Ahmad Fauzi Ismail
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia;
- Correspondence: (P.S.G.); (A.F.I.)
| | - Hooi Siang Kang
- Marine Technology Centre, Institute for Vehicle System & Engineering, School of Mechanical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia;
| | - Qingjie Guo
- State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan 750021, China; (Q.G.); (X.J.); (J.M.)
| | - Xiaoxia Jiang
- State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan 750021, China; (Q.G.); (X.J.); (J.M.)
- School of Mechanical Engineering, Ningxia University, Yinchuan 750021, China
| | - Jingjing Ma
- State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan 750021, China; (Q.G.); (X.J.); (J.M.)
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19
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Qin A, Fang W, Lin Y, Xv R, Fu L. Effect of preparation conditions and Co–Pi groups as a noble metal-free redox mediator and hole extractor to boost the photoelectrochemical water oxidation for 1D nanorod α-Fe2O3. NEW J CHEM 2022. [DOI: 10.1039/d1nj04516d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Co–Pi groups have a double effect on the short nanorod α-Fe2O3 photoanode: accelerating the hole separation and improving the water oxidation kinetics.
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Affiliation(s)
- Ai Qin
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Provincial Key Laboratory of Polymer Materials, Colloge of Chemistry and Material Science, Fujian Normal University, Cangshan Campus, No. 8 Shangsan Road, Fuzhou, Fujian 350007, China
| | - Wanqing Fang
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Provincial Key Laboratory of Polymer Materials, Colloge of Chemistry and Material Science, Fujian Normal University, Cangshan Campus, No. 8 Shangsan Road, Fuzhou, Fujian 350007, China
| | - Yimin Lin
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Provincial Key Laboratory of Polymer Materials, Colloge of Chemistry and Material Science, Fujian Normal University, Cangshan Campus, No. 8 Shangsan Road, Fuzhou, Fujian 350007, China
| | - Rongzi Xv
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Provincial Key Laboratory of Polymer Materials, Colloge of Chemistry and Material Science, Fujian Normal University, Cangshan Campus, No. 8 Shangsan Road, Fuzhou, Fujian 350007, China
| | - Li Fu
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Provincial Key Laboratory of Polymer Materials, Colloge of Chemistry and Material Science, Fujian Normal University, Cangshan Campus, No. 8 Shangsan Road, Fuzhou, Fujian 350007, China
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20
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Yang ZZ, Zhang C, Zeng GM, Tan XF, Huang DL, Zhou JW, Fang QZ, Yang KH, Wang H, Wei J, Nie K. State-of-the-art progress in the rational design of layered double hydroxide based photocatalysts for photocatalytic and photoelectrochemical H2/O2 production. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214103] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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21
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Djellabi R, Zhao X, Ordonez MF, Falletta E, Bianchi CL. Comparison of the photoactivity of several semiconductor oxides in floating aerogel and suspension systems towards the reduction of Cr(VI) under visible light. CHEMOSPHERE 2021; 281:130839. [PMID: 34000659 DOI: 10.1016/j.chemosphere.2021.130839] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/08/2021] [Accepted: 05/04/2021] [Indexed: 06/12/2023]
Abstract
A massive amount of research has been done over the last three decades to develop photoactive materials which could be suitable for real-world use in water remediation sector. Water-floating photocatalysts could be one of the best options due to their technological characteristics in terms of efficiency and reasonability including a high oxygenation of the photocatalyst surface, a fully sunlight irradiation, easy recovery and reuse. In the present study, aerogel water-floating based materials were fabricated using poly(vinyl alcohol) and polyvinylidene fluoride as a polymer platform, and loaded with different semiconductors such as g-C3N4, MoO3, Bi2O3, Fe2O3 or WO3. The photocatalytic efficiencies of aerogel floating materials and the suspension of above-mentioned semiconductors were compared evaluating the photoreduction of Cr(VI) under visible light (λ > 420 nm). The results showed that Fe2O3 suspension was the most efficient but the slowest in floating system. On the contrary, g-C3N4 exhibited a good performance in suspension system, and on top of that it was very effective in floating system, wherein it ensures a total reduction of 10 ppm-Cr(VI) to Cr(III) within 20 min.
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Affiliation(s)
- Ridha Djellabi
- Università Degli Studi di Milano, Dip. Chimica and INSTM-UdR Milano, Via Golgi, 19, 20133, Milano, Italy.
| | - Xu Zhao
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China
| | - Marcela Frias Ordonez
- Università Degli Studi di Milano, Dip. Chimica and INSTM-UdR Milano, Via Golgi, 19, 20133, Milano, Italy
| | - Ermelinda Falletta
- Università Degli Studi di Milano, Dip. Chimica and INSTM-UdR Milano, Via Golgi, 19, 20133, Milano, Italy
| | - Claudia L Bianchi
- Università Degli Studi di Milano, Dip. Chimica and INSTM-UdR Milano, Via Golgi, 19, 20133, Milano, Italy
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22
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Yu Z, Huang Q, Jiang X, Lv X, Xiao X, Wang M, Shen Y, Wittstock G. Effect of a Cocatalyst on a Photoanode in Water Splitting: A Study of Scanning Electrochemical Microscopy. Anal Chem 2021; 93:12221-12229. [PMID: 34461018 DOI: 10.1021/acs.analchem.1c01235] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
With a proper band gap of ∼2.4 eV for solar light absorption and suitable valence band edge position for oxygen evolution, scheelite-monoclinic bismuth vanadate (BiVO4) has become one of the most attractive photocatalysts for efficient visible-light-driven photoelectrochemical (PEC) water splitting. Several studies have indicated that surface modification of BiVO4 with a cocatalyst such as NiFe layered double hydroxide (LDH) can significantly increase the PEC water splitting performance of the catalyst. Herein, we experimentally investigated the charge transfer dynamics and charge carrier recombination processes by scanning electrochemical microscopy (SECM) with the feedback mode on the surface of BiVO4 and BiVO4/NiFe-LDH as model samples. The ratio of rate constants for photogenerated hole (kh+0) to electron (ke-0) via the photocatalyst of BiVO4/NiFe-LDH reacting with the redox couple is found to be five times larger than that of BiVO4 under illumination. In this case, the ratio of the rate constants kh+0/ke-0 stands for the interfacial charge recombination process. This implies the cocatalyst NiFe-LDH suppresses the electron back transfer greatly and finally reduces the surface recombination. Control experiments with cocatalysts CoPi and RuOx onto BiVO4 further verify this conclusion. Therefore, the SECM characterization allows us to make an overall analysis on the function of cocatalysts in the PEC water splitting system.
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Affiliation(s)
- Zehui Yu
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Qikang Huang
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, P. R. China.,China-EU Institute for Clean and Renewable Energy, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Xingxing Jiang
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Xiaowei Lv
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Xin Xiao
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Mingkui Wang
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Yan Shen
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Gunther Wittstock
- School of Mathematics and Science, Chemistry Department, Carlvon Ossietzky University of Oldenburg, D-26111 Oldenburg, Germany
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23
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Gao R, Zhu J, Yan D. Transition metal-based layered double hydroxides for photo(electro)chemical water splitting: a mini review. NANOSCALE 2021; 13:13593-13603. [PMID: 34477633 DOI: 10.1039/d1nr03409j] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
The conversion of solar energy into usable chemical fuels, such as hydrogen gas, via photo(electro)chemical water splitting is a promising approach for creating a carbon neutral energy ecosystem. The deployment of this technology industrially and at scale requires photoelectrodes that are highly active, cost-effective, and stable. To create these new photoelectrodes, transition metal-based electrocatalysts have been proposed as potential cocatalysts for improving the performance of water splitting catalysts. Layered double hydroxides (LDHs) are a class of clays with brucite like layers and intercalated anions. Transition metal-based LDHs are increasingly popular in the field of photo(electro)chemical water splitting due to their unique physicochemical properties. This article aims to review recent advances in transition metal-based LDHs for photo(electro)chemical water splitting. This article provides a brief overview of the research in a format approachable for the general scientific audience. Specifically, this review examines the following areas: (i) routes for synthesis of transition metal-based LDHs, (ii) recent developments in transition metal-based LDHs for photo(electro)chemical water splitting, and (iii) an overview of the structure-property relationships therein.
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Affiliation(s)
- Rui Gao
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, and Key Laboratory of Radiopharmaceuticals, Ministry of Education, Beijing Normal University, Beijing 100875, P. R. China.
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24
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Nayak S, Parida K. Recent Progress in LDH@Graphene and Analogous Heterostructures for Highly Active and Stable Photocatalytic and Photoelectrochemical Water Splitting. Chem Asian J 2021; 16:2211-2248. [PMID: 34196114 DOI: 10.1002/asia.202100506] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/25/2021] [Indexed: 01/16/2023]
Abstract
Photocatalytic (PC) and photoelectrochemical (PEC) water splitting is a plethora of green technological process, which transforms copiously available photon energy into valuable chemical energy. With the augmentation of modern civilization, developmental process of novel semiconductor photocatalysts proceeded at a sweltering rate, but the overall energy conversion efficiency of semiconductor photocatalysts in PC/PEC is moderately poor owing to the instability ariseing from the photocorrosion and messy charge configuration. Particularly, layered double hydroxides (LDHs) as reassuring multifunctional photocatalysts, turned out to be intensively investigated owing to the lamellar structure and exceptional physico-chemical properties. However, major drawbacks of LDHs material are its low conductivity, sluggish mass transfer and structural instability in acidic media, which hinder their applicability and stability. To surmount these obstacles, the formation of LDH@graphene and analogus heterostructures could proficiently amalgamate multi-functionalities, compensate distinct shortcomings, and endow novel properties, which ensure effective charge separation to result in stability and superior catalytic activities. Herein, we aim to summarize the currently updated synthetic strategies used to design heterostructures of 2D LDHs with 2D/3D graphene and graphene analogus material as graphitic carbon nitride (g-C3 N4 ), and MoS2 as mediator, or interlayer support, or co-catalyst or vice versa for superior PC/PEC water splitting activities along with long-term stabilities. Furthermore, latest characterization technique measuring the stability along with variant interface mode for imparting charge separation in LDH@graphene and graphene analogus heterostructure has been identified in this field of research with understanding the intrinsic structural features and activities.
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Affiliation(s)
- Susanginee Nayak
- Centre for Nano Science and Nano Technology, ITER, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751030, Odisha, India
| | - Kulamani Parida
- Centre for Nano Science and Nano Technology, ITER, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751030, Odisha, India
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25
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Jiang L, Xie Y, He F, Ling Y, Zhao J, Ye H, Li S, Wang J, Hou Y. Facile synthesis of GO as middle carrier modified flower-like BiOBr and C3N4 nanosheets for simultaneous treatment of chromium(VI) and tetracycline. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.12.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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26
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Li X, Huang J, Guo L, Jin X, Wang L, Deng Y, Xie H, Ye L. Efficient solar seawater desalination constructed by oxide composite hydrogel with chitin as the base. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108651] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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27
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Li H, Zang L, Shen F, Wang L, Sun L, Yuan F. Tubular g-C 3N 4/carbon framework for high-efficiency photocatalytic degradation of methylene blue. RSC Adv 2021; 11:18519-18524. [PMID: 35480932 PMCID: PMC9033409 DOI: 10.1039/d1ra02918e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 05/15/2021] [Indexed: 11/21/2022] Open
Abstract
The preparation of high-efficiency, pollution-free photocatalysts for water treatment has always been one of the research hotspots. In this paper, a carbon framework formed from waste grapefruit peel is used as the carrier. A simple one-step chemical vapor deposition (CVD) method allows tubular g-C3N4 to grow on the carbon framework. Tubular g-C3N4 increases the specific surface area of bulk g-C3N4 and enhances the absorption of visible light. At the same time, the carbon framework can effectively promote the separation and transfer of charges. The dual effects of static adsorption and photodegradation enable the g-C3N4/carbon (CNC) framework to quickly remove about 98% of methylene blue within 180 min. The recyclability indicates that the tubular g-C3N4 can stably exist on the carbon framework during the photodegradation process. In the dynamic photocatalytic test driven by gravity, roughly 77.65% of the methylene blue was degraded by the CNC framework. Our work provides an attractive strategy for constructing a composite carbon framework photocatalyst based on the tubular g-C3N4 structure and improving the photocatalytic performance. Tubular g-C3N4 grown on a carbon framework increased the surface area of bulk g-C3N4, enhanced the absorption of visible light and promoted the photocatalytic performance.![]()
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Affiliation(s)
- Haicheng Li
- School of Chemical Engineering and Materials, Heilongjiang University Harbin 150080 P. R. China
| | - Linlin Zang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology Harbin 150090 P. R. China
| | - Fengtong Shen
- School of Chemical Engineering and Materials, Heilongjiang University Harbin 150080 P. R. China
| | - Libin Wang
- School of Chemical Engineering and Materials, Heilongjiang University Harbin 150080 P. R. China
| | - Liguo Sun
- School of Chemical Engineering and Materials, Heilongjiang University Harbin 150080 P. R. China
| | - Fulong Yuan
- School of Chemical Engineering and Materials, Heilongjiang University Harbin 150080 P. R. China
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28
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Khan SB, Lee SL. Nanomaterials significance; contaminants degradation for environmental applications. NANO EXPRESS 2021. [DOI: 10.1088/2632-959x/abf689] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Abstract
Nanotechnology provides an innovative platform that is inexpensive, reasonable, having least chances of secondary contamination, economical, and an effective method to concurrently eradicate numerous impurities from contaminated wastewater. Presently, different researches have been conducted exhibiting versatile multifunctional nanoparticles (NPs) that concurrently confiscate several impurities existing in the water. Nanotechnology helps in eliminating impurities from water through the rapid, low-cost method. Pollutants such as 2,4-dichlorophenol (death-causing contaminant as it quickly gets absorbed via the skin), or industrial dyes including methyl violet (MV) or methyl orange (MO) causing water contamination were also concisely explained. In this mini-review, nanomaterials were critically investigated, and the practicability and effectiveness of the elimination of contaminations were debated. The analysis shows that a few of these processes can be commercialized in treating diverse toxins via multifunctional nanotechnology innovations. Hence, nanotechnology shows a promising and environmental friendly method to resolve the restrictions of current and conventional contaminated water treatment. We can progress the technology, without influencing and affecting the natural earth environment conditions.
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29
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Khan ME. State-of-the-art developments in carbon-based metal nanocomposites as a catalyst: photocatalysis. NANOSCALE ADVANCES 2021; 3:1887-1900. [PMID: 36133084 PMCID: PMC9418201 DOI: 10.1039/d1na00041a] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 02/09/2021] [Indexed: 05/29/2023]
Abstract
The rapid progress of state-of-the-art carbon-based metals as a catalyst is playing a central role in the research area of chemical and materials engineering for effective visible-light-induced catalytic applications. Numerous admirable catalysts have been fabricated, but significant challenges persist to lower the cost and increase the action of catalysts. The development of carbon-based nanostructured materials (i.e., activated carbon, carbon nitride, graphite, fullerenes, carbon nanotubes, diamond, graphene, etc.) represents an admirable substitute to out-of-date catalysts. Significant efforts have been made by researchers toward the improvement of various carbon-based metal nanostructures as catalysts. Moreover, incredible development has been achieved in several fields of catalysis, such as visible-light-induced catalysis, electrochemical performance, energy storage, and conversion, etc. This review gives an overview of the up-to-date developments in the strategy of design and fabrication of carbon-based metal nanostructures as photo-catalysts by means of several methods within the green approach, including chemical synthesis, in situ growth, solution mixing, and hydrothermal approaches. Moreover, the photocatalytic effects of the resulting carbon-based nanostructure classifications are similarly deliberated relative to their eco-friendly applications, such as photocatalytic degradation of organic dye pollutants.
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Affiliation(s)
- Mohammad Ehtisham Khan
- Department of Chemical Engineering Technology, College of Applied Industrial Technology (CAIT), Jazan University Jazan 45971 Kingdom of Saudi Arabia
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30
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Kong W, Zhang X, Guo Y, He G, Liu H, Zhang S, Yang B. TiO2@PCN core-shell nanoarrays decorated with Au nanoparticles for enhanced photoelectrochemical performance. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138036] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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31
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Younis MA, Lyu S, Lei C, Yang B, Li Z, He Q, Lu J, Lei L, Hou Y. Efficient mineralization of sulfanilamide over oxygen vacancy-rich NiFe-LDH nanosheets array during electro-fenton process. CHEMOSPHERE 2021; 268:129272. [PMID: 33352511 DOI: 10.1016/j.chemosphere.2020.129272] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 11/09/2020] [Accepted: 12/07/2020] [Indexed: 06/12/2023]
Abstract
Electrochemical degradation of toxic sulfanilamide with inexpensive approach is in urgent demand due to the harmful effects of sulfanilamide for both humans and aquatic environments. Here, we reported an efficient mineralization of sulfanilamide by using NiFe-layered double hydroxide (NiFe-LDH) nanosheets array with abundant oxygen vacancies that was in situ grown on exfoliated graphene (EG) by a simple hydrothermal treatment at different temperatures. The hydrothermal temperature was carefully analyzed for control synthesis of oxygen vacancy-rich NiFe-LDH/EG nanosheets array (NiFe-LDH/EG-OVr) for sulfanilamide degradation. Owing to the abundant oxygen vacancies, NiFe-LDH/EG-OVr rapidly generated hydrogen peroxide (H2O2) and hydroxyl radical (•OH) during electro-Fenton (EF) process, which resulted in the 98% mineralization of sulfanilamide in first 80 min. The radicals trapping experiments revealed that the •OH radicals was participated as the main active oxidation species in the efficient mineralization of sulfanilamide. The present results indicated that the oxidative attack by •OH radicals initiated the degradation process of sulfanilamide. During the total degradation of sulfanilamide, several organic compounds including aminophenol, hydroquinone, and oxalic acid, were identified as main intermediates by using gas chromatography-mass spectroscopy (GC-MS) and high-performance liquid chromatography-mass spectroscopy (HPLC-MS).
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Affiliation(s)
- Muhammad Adnan Younis
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Siliu Lyu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Chaojun Lei
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Bin Yang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China; Institute of Zhejiang University - Quzhou, 78 Jiuhua Boulevard North, Quzhou, 324000, China
| | - Zhongjian Li
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Qinggang He
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Jianguo Lu
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Lecheng Lei
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China; Institute of Zhejiang University - Quzhou, 78 Jiuhua Boulevard North, Quzhou, 324000, China
| | - Yang Hou
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China; Institute of Zhejiang University - Quzhou, 78 Jiuhua Boulevard North, Quzhou, 324000, China; Ningbo Research Institute, Zhejiang University, Ningbo, 315100, China.
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Ashrafi H, Akhond M, Zare M, Absalan G. Characterizing Carbon Ring-C 3N 4 Nanosheets as a Light-Harvesting and Charge Carrier Transfer Agent: Photodegradation of Methylene Blue and Photoconversion of CO 2 to CH 4 as Case Studies. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.0c05626] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hossein Ashrafi
- Professor Massoumi Laboratory, Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran
| | - Morteza Akhond
- Professor Massoumi Laboratory, Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran
| | - Maryam Zare
- Professor Massoumi Laboratory, Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran
| | - Ghodratollah Absalan
- Professor Massoumi Laboratory, Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran
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33
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Li Y, Guo Q, Jiang Y, Shen W, Li M, He R. A novel ball-in-ball hollow oxygen-incorporating cobalt sulfide spheres as high-efficient electrocatalyst for oxygen evolution reaction. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.05.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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34
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Feng J, Su BL, Xia H, Zhao S, Gao C, Wang L, Ogbeide O, Feng J, Hasan T. Printed aerogels: chemistry, processing, and applications. Chem Soc Rev 2021; 50:3842-3888. [PMID: 33522550 DOI: 10.1039/c9cs00757a] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
As an extraordinarily lightweight and porous functional nanomaterial family, aerogels have attracted considerable interest in academia and industry in recent decades. Despite the application scopes, the modest mechanical durability of aerogels makes their processing and operation challenging, in particular, for situations demanding intricate physical structures. "Bottom-up" additive manufacturing technology has the potential to address this drawback. Indeed, since the first report of 3D printed aerogels in 2015, a new interdisciplinary research area combining aerogel and printing technology has emerged to push the boundaries of structure and performance, further broadening their application scope. This review summarizes the state-of-the-art of printed aerogels and presents a comprehensive view of their developments in the past 5 years, and highlights the key near- and mid-term challenges.
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Affiliation(s)
- Junzong Feng
- Cambridge Graphene Centre, University of Cambridge, Cambridge CB3 0FA, UK.
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35
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Chen Y, Xu L, Dong J, Yan P, Chen F, Qian J, Li H. An enhanced photoelectrochemical ofloxacin aptasensor using NiFe layered double hydroxide/graphitic carbon nitride heterojunction. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2020.137595] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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36
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Yang Y, Bian Z. Oxygen doping through oxidation causes the main active substance in g-C 3N 4 photocatalysis to change from holes to singlet oxygen. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 753:141908. [PMID: 32889315 DOI: 10.1016/j.scitotenv.2020.141908] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 08/05/2020] [Accepted: 08/21/2020] [Indexed: 06/11/2023]
Abstract
Improving the photocatalytic activity of graphitic carbon nitride (g-C3N4) for organic pollutant removal from water and in-depth study of the effect of oxygen doping on its photocatalytic mechanism are deserving of research attention. Oxygen-doped g-C3N4 with a suitable degree of oxidation was prepared by oxidation using concentrated acid-ultrasound double oxidation. Oxygen doping by oxidation changed the physical and chemical properties of g-C3N4, and improved its rhodamine B photocatalytic degradation efficiency. The physical and chemical properties of g-C3N4 were characterized by scanning electron microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, Fourier-transform infrared spectroscopy, and zeta potential analysis, among other methods. The photocatalytic mechanism was also studied in depth using photoluminescence, electrochemical impedance spectroscopy, transient photocurrent measurements, diffuse reflectance spectroscopy, and Mott-Schottky plots. An appropriate degree of oxidation introduced pit-like defects rich in oxygen-containing functional groups onto the g-C3N4 surface, which improves its photocatalytic performance. Furthermore, in the photocatalytic process of oxidized g-C3N4, oxygen doping was confirmed to change the main active substance of g-C3N4 photocatalysis from holes to singlet oxygen. This study provides an in-depth explanation of the photocatalytic mechanism of g-C3N4 doped with oxygen, which provides guidance and reference for the design of photocatalysts for organic pollutant removal from water and the analysis of photocatalytic mechanisms for water treatment.
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Affiliation(s)
- Yajing Yang
- Beijing Key Laboratory of Urban Hydrological Cycle and Sponge City Technology, College of Water Sciences, Beijing Normal University, Beijing 100875, People's Republic of China
| | - Zhaoyong Bian
- Beijing Key Laboratory of Urban Hydrological Cycle and Sponge City Technology, College of Water Sciences, Beijing Normal University, Beijing 100875, People's Republic of China.
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37
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Rasouli H, Hosseini MG, Hosseini MM. Ta2O5-incorporated in photoinduced electrocatalyst of TiO2-RuO2 decorated by PPy-NrGO nanocomposite for boosting overall water splitting. J Colloid Interface Sci 2021; 582:254-269. [DOI: 10.1016/j.jcis.2020.08.028] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 08/06/2020] [Accepted: 08/07/2020] [Indexed: 12/16/2022]
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38
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Ke J, He F, Wu H, Lyu S, Liu J, Yang B, Li Z, Zhang Q, Chen J, Lei L, Hou Y, Ostrikov K. Nanocarbon-Enhanced 2D Photoelectrodes: A New Paradigm in Photoelectrochemical Water Splitting. NANO-MICRO LETTERS 2020; 13:24. [PMID: 34138209 PMCID: PMC8187525 DOI: 10.1007/s40820-020-00545-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 09/30/2020] [Indexed: 05/04/2023]
Abstract
Solar-driven photoelectrochemical (PEC) water splitting systems are highly promising for converting solar energy into clean and sustainable chemical energy. In such PEC systems, an integrated photoelectrode incorporates a light harvester for absorbing solar energy, an interlayer for transporting photogenerated charge carriers, and a co-catalyst for triggering redox reactions. Thus, understanding the correlations between the intrinsic structural properties and functions of the photoelectrodes is crucial. Here we critically examine various 2D layered photoanodes/photocathodes, including graphitic carbon nitrides, transition metal dichalcogenides, layered double hydroxides, layered bismuth oxyhalide nanosheets, and MXenes, combined with advanced nanocarbons (carbon dots, carbon nanotubes, graphene, and graphdiyne) as co-catalysts to assemble integrated photoelectrodes for oxygen evolution/hydrogen evolution reactions. The fundamental principles of PEC water splitting and physicochemical properties of photoelectrodes and the associated catalytic reactions are analyzed. Elaborate strategies for the assembly of 2D photoelectrodes with nanocarbons to enhance the PEC performances are introduced. The mechanisms of interplay of 2D photoelectrodes and nanocarbon co-catalysts are further discussed. The challenges and opportunities in the field are identified to guide future research for maximizing the conversion efficiency of PEC water splitting.
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Affiliation(s)
- Jun Ke
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310012, People's Republic of China
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, 206 Guanggu 1st Road, Wuhan, 430205, People's Republic of China
| | - Fan He
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310012, People's Republic of China
| | - Hui Wu
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, 206 Guanggu 1st Road, Wuhan, 430205, People's Republic of China
| | - Siliu Lyu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310012, People's Republic of China
| | - Jie Liu
- Department of Environmental Science and Engineering, North China Electric Power University, 619 Yonghua N St, Baoding, 071003, People's Republic of China.
| | - Bin Yang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310012, People's Republic of China
| | - Zhongjian Li
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310012, People's Republic of China
| | - Qinghua Zhang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310012, People's Republic of China
| | - Jian Chen
- State Key Laboratory of Industrial Control Technology, College of Control Science and Engineering, Zhejiang University, Hangzhou, 310012, People's Republic of China
| | - Lecheng Lei
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310012, People's Republic of China
- Institute of Zhejiang University - Quzhou, Quzhou, 324000, People's Republic of China
| | - Yang Hou
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310012, People's Republic of China.
- Institute of Zhejiang University - Quzhou, Quzhou, 324000, People's Republic of China.
- Ningbo Research Institute, Zhejiang University, Hangzhou, 315100, People's Republic of China.
| | - Kostya Ostrikov
- School of Chemistry and Physics and Centre for Materials Science, Queensland University of Technology, Brisbane, QLD, 4000, Australia
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39
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Cheng X, Yuan J, Cao J, Lei C, Yang B, Li Z, Zhang X, Yuan C, Lei L, Hou Y. Strongly coupling of amorphous/crystalline reduced FeOOH/α-Ni(OH)2 heterostructure for extremely efficient water oxidation at ultra-high current density. J Colloid Interface Sci 2020; 579:340-346. [DOI: 10.1016/j.jcis.2020.06.065] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 06/05/2020] [Accepted: 06/14/2020] [Indexed: 11/25/2022]
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40
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Guo Q, Luo H, Zhang J, Ruan Q, Prakash Periasamy A, Fang Y, Xie Z, Li X, Wang X, Tang J, Briscoe J, Titirici M, Jorge AB. The role of carbon dots - derived underlayer in hematite photoanodes. NANOSCALE 2020; 12:20220-20229. [PMID: 33000831 DOI: 10.1039/d0nr06139e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Hematite is a promising candidate as photoanode for solar-driven water splitting, with a theoretically predicted maximum solar-to-hydrogen conversion efficiency of ∼16%. However, the interfacial charge transfer and recombination greatly limits its activity for photoelectrochemical water splitting. Carbon dots exhibit great potential in photoelectrochemical water splitting for solar to hydrogen conversion as photosensitisers and co-catalysts. Here we developed a novel carbon underlayer from low-cost and environmental-friendly carbon dots through a facile hydrothermal process, introduced between the fluorine-doped tin oxide conducting substrate and hematite photoanodes. This led to a remarkable enhancement in the photocurrent density. Owing to the triple functional role of carbon dots underlayer in improving the interfacial properties of FTO/hematite and providing carbon source for the overlayer as well as the change in the iron oxidation state, the bulk and interfacial charge transfer dynamics of hematite are significantly enhanced, and consequently led to a remarkable enhancement in the photocurrent density. The results revealed a substantial improvement in the charge transfer rate, yielding a charge transfer efficiency of up to 80% at 1.25 V vs. RHE. In addition, a significant enhancement in the lifetime of photogenerated electrons and an increased carrier density were observed for the hematite photoanodes modified with a carbon underlayer, confirming that the use of sustainable carbon nanomaterials is an effective strategy to boost the photoelectrochemical performance of semiconductors for energy conversion.
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Affiliation(s)
- Qian Guo
- School of Engineering and Materials Science, Queen Mary University of London, E1 4NS, London, UK.
| | - Hui Luo
- Department of Chemical Engineering, Imperial College London, SW7 2AZ, London, UK
| | - Jifang Zhang
- Tsinghua-Foxconn Nanoscience Research Center, Department of Physics, Tsinghua University, Beijing 100084, P. R. China
| | - Qiushi Ruan
- Department of Chemical Engineering, University College London, Torrington Place, WC1E 7JE, London, UK
| | - Arun Prakash Periasamy
- School of Engineering and Materials Science, Queen Mary University of London, E1 4NS, London, UK.
| | - Yuanxing Fang
- State Key Laboratory of Photocatalysis on Energy and Environment College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. China
| | - Zailai Xie
- State Key Laboratory of Photocatalysis on Energy and Environment College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. China
| | - Xuanhua Li
- School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, P. R. China
| | - Xinchen Wang
- State Key Laboratory of Photocatalysis on Energy and Environment College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. China
| | - Junwang Tang
- Department of Chemical Engineering, University College London, Torrington Place, WC1E 7JE, London, UK
| | - Joe Briscoe
- School of Engineering and Materials Science, Queen Mary University of London, E1 4NS, London, UK.
| | - Magdalena Titirici
- Department of Chemical Engineering, Imperial College London, SW7 2AZ, London, UK
| | - Ana Belen Jorge
- School of Engineering and Materials Science, Queen Mary University of London, E1 4NS, London, UK.
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41
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Chaudhary P, Ingole PP. Nickel incorporated graphitic carbon nitride supported copper sulfide for efficient noble-metal-free photo-electrochemical water splitting. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136798] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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42
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Xue H, Wang T, Feng Y, Gong H, Fan X, Gao B, Kong Y, Jiang C, Zhang S, Huang X, He J. Efficient separation of photoexcited carriers in a g-C 3N 4-decorated WO 3 nanowire array heterojunction as the cathode of a rechargeable Li-O 2 battery. NANOSCALE 2020; 12:18742-18749. [PMID: 32970089 DOI: 10.1039/d0nr04956e] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Utilization of solar energy is very important for alleviating the global energy crisis; however, solar-to-electric energy conversion in a compact battery is a great challenge. High charging overpotential of conventional aprotic Li-O2 batteries still restricts their practical application. Herein, we propose a photo-involved rechargeable Li-O2 battery to not only realize direct solar-to-electric energy conversion/storage but also address the overpotential issue. In this photo-involved battery system, the g-C3N4-decorated WO3 nanowire array (WO3@g-C3N4 NWA) heterojunction semiconductor is used as both the photoelectrode and oxygen electrode. Upon charging under visible-light irradiation, the photoexcited holes and electrons are in situ generated on the WO3@g-C3N4 NWA heterojunction cathode. The fabrication of the heterojunction can distinctly reduce the recombination rate between electrons and holes, while photon-generated carriers are effectively and quickly separated and then migrate under a large current density. The discharge product (Li2O2) can be oxidized to O2 and Li+ with a reduced charging voltage (3.69 V) by the abundant photoexcited holes, leading to high energy efficiency, good cycling stability and excellent rate capability. This newly photo-involved reaction scheme could open new avenues toward the design of advanced solar-to-electric energy conversion and storage systems.
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Affiliation(s)
- Hairong Xue
- College of Materials Science and Technology, Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies, Nanjing University of Aeronautics and Astronautics, 29 Yudao Street, 210016 Nanjing, P. R. China.
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43
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Xu Y, Wang J, Liu Z, Zhai Z, Ren B, Dong X, Miao J, Zhang L, Liu Z. Facile preparation of N-doped porous carbon matrix with Mo2C / Ni supported for hydrogen evolution. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136617] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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44
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Lan G, Nong J, Wei W, Liu X, Luo P, Jin W, Wei D, Wei D. Highly stable all-in-one photoelectrochemical electrodes based on carbon nanowalls. NANOTECHNOLOGY 2020; 31:335401. [PMID: 32330907 DOI: 10.1088/1361-6528/ab8cf5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Photoelectrochemical (PEC) cells offer a promising approach for developing low-cost solar energy conversion systems. However, the lack of stable and cost-effective electrodes remains a bottleneck that hampers their practical applications. Here, we propose a kind of integrated all-in-one three-dimensional (3D) carbon nanowall (CNW) electrode without sensitized semiconductors for stable all-carbon PEC cells. The all-in-one CNW electrodes were fabricated by directly growing CNW on both sides of the SiO2/Si/SiO2 wafer employing the radio frequency plasmon enhanced chemical vapor deposition method. Benefitting from the interconnected 3D textured structure, the CNW can effectively absorb the incident light and provide a large electrochemical reaction interface at the CNW surface that promotes the separation of photogenerated charge carriers, which makes it a superior electrode material. Experimental results show that the all-in-one CNW electrodes possess excellent PEC performance with a photocurrent density of 830 μA cm-2. Moreover, the CNW electrodes exhibit excellent photoresponses over a wide waveband and superior stability with a maintained photocurrent response, even after 60 d, which outperforms the electrodes using the other two-dimensional layered materials or semiconductor sensitized electrodes. Such an all-in-one electrode with impressive photovoltaic properties provides a promising platform for PEC applications that is eco-friendly with high efficiency, excellent stability and low cost.
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Affiliation(s)
- Guilian Lan
- Key Laboratory of Optoelectronic Technology & Systems, Ministry of Education of China, College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, People's Republic of China. Chongqing Key Laboratory of Multi-scale Manufacturing Technology, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, People's Republic of China
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45
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Designing noble metal single-atom-loaded two-dimension photocatalyst for N 2 and CO 2 reduction via anion vacancy engineering. Sci Bull (Beijing) 2020; 65:720-725. [PMID: 36659105 DOI: 10.1016/j.scib.2019.12.025] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 12/22/2019] [Accepted: 12/25/2019] [Indexed: 01/21/2023]
Abstract
Building highly active and stable noble metal single atom (MSA) catalyst onto photocatalyst materials for nitrogen reduction reaction (NRR) and CO2 reduction reaction (CRR) is a key to future renewable energy conversion and storage technologies. Here we present a design strategy to optimize the stability and electronic property of noble metal single atoms (MSAs, M = Rh, Pd, Ag, Ir, Pt, Au) catalyst supported on g-C3N4 and 2H-MoS2 photocatalysts towards NRR and CRR. Our results indicate that the MSAs tend to be trapped at the anion-vacancy sites of photocatalyst rather than the pristine photocatalyst surface. This anion vacancy can promise the MSAs with an optimized electron-captured ability in the photoexcitation process, thus decreasing the energy barriers of NRR and CRR on MSAs. Especially, it is revealed that the N-vacancy-stabilized IrSA on g-C3N4 and the S-vacancy-stabilized RhSA on 2H-MoS2 own the lowest energy barrier in NRR. However, for CRR, the HCOOH is the main product on MSAs supported by g-C3N4 and 2H-MoS2. The N-vacancy-stabilized PdSA on g-C3N4 and the S-vacancy-stabilized AuSA on 2H-MoS2 show the lowest energy barrier for HCOOH production in CRR. This finding offers an approach to design specific active MSA centres on photocatalysts by the anion vacancy engineering.
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46
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Xu S, Jiang F, Gao F, Wang L, Teng J, Fu D, Zhang H, Yang W, Chen S. Single-Crystal Integrated Photoanodes Based on 4 H-SiC Nanohole Arrays for Boosting Photoelectrochemical Water Splitting Activity. ACS APPLIED MATERIALS & INTERFACES 2020; 12:20469-20478. [PMID: 32320197 DOI: 10.1021/acsami.0c02893] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Photoelectrochemical (PEC) splitting of water into H2 and O2 by direct use of sunlight is an ideal strategy for the production of clean and renewable energy, which fundamentally relies on the exploration of advanced photoanodes with high performance. In the present work, we report that single-crystal integrated photoanodes, that is, 4H-SiC nanohole arrays (active materials) and SiC wafer substrate (current collector), are established into a totally single-crystal configuration without interfaces, which was based on a two-step electrochemical etching process. The as-fabricated SiC photoanode showed a rather low onset potential of -0.016 V vs reversible hydrogen electrode (RHE) and a high photocurrent density of 3.20 mA/cm2 vs RHE 1.23 V, which were both superior to those of all reported SiC ones. Furthermore, such a rationally designed photoanode exhibited a fast photoresponse, wide photoresponse wavelength range, and long-term stability, representing its overall excellent PEC performance.
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Affiliation(s)
- Shang Xu
- College of Materials Science and Engineering, Hunan University, Changsha 410082, P. R. China
- Institute of Materials, Ningbo University of Technology, Ningbo 315211, P. R. China
| | - Fulin Jiang
- College of Materials Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Fengmei Gao
- Institute of Materials, Ningbo University of Technology, Ningbo 315211, P. R. China
| | - Lin Wang
- Institute of Materials, Ningbo University of Technology, Ningbo 315211, P. R. China
| | - Jie Teng
- College of Materials Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Dingfa Fu
- College of Materials Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Hui Zhang
- College of Materials Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Weiyou Yang
- Institute of Materials, Ningbo University of Technology, Ningbo 315211, P. R. China
| | - Shanliang Chen
- Institute of Materials, Ningbo University of Technology, Ningbo 315211, P. R. China
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47
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Wang Z, Liao X, Lin Z, Huang F, Jiang Y, Owusu KA, Xu L, Liu Z, Li J, Zhao Y, Cheng Y, Mai L. 3D Nitrogen‐Doped Graphene Encapsulated Metallic Nickel–Iron Alloy Nanoparticles for Efficient Bifunctional Oxygen Electrocatalysis. Chemistry 2020; 26:4044-4051. [DOI: 10.1002/chem.201904722] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Indexed: 11/07/2022]
Affiliation(s)
- Zhaoyang Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingState Key Laboratory of Silicate Materials for ArchitecturesWuhan University of Technology Wuhan 430070 P. R. China
| | - Xiaobin Liao
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingState Key Laboratory of Silicate Materials for ArchitecturesWuhan University of Technology Wuhan 430070 P. R. China
| | - Zifeng Lin
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingState Key Laboratory of Silicate Materials for ArchitecturesWuhan University of Technology Wuhan 430070 P. R. China
| | - Fuzhi Huang
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingState Key Laboratory of Silicate Materials for ArchitecturesWuhan University of Technology Wuhan 430070 P. R. China
| | - Yalong Jiang
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingState Key Laboratory of Silicate Materials for ArchitecturesWuhan University of Technology Wuhan 430070 P. R. China
| | - Kwadwo Asare Owusu
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingState Key Laboratory of Silicate Materials for ArchitecturesWuhan University of Technology Wuhan 430070 P. R. China
| | - Lin Xu
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingState Key Laboratory of Silicate Materials for ArchitecturesWuhan University of Technology Wuhan 430070 P. R. China
| | - Ziang Liu
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingState Key Laboratory of Silicate Materials for ArchitecturesWuhan University of Technology Wuhan 430070 P. R. China
| | - Jiantao Li
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingState Key Laboratory of Silicate Materials for ArchitecturesWuhan University of Technology Wuhan 430070 P. R. China
| | - Yan Zhao
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingState Key Laboratory of Silicate Materials for ArchitecturesWuhan University of Technology Wuhan 430070 P. R. China
| | - Yi‐Bing Cheng
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingState Key Laboratory of Silicate Materials for ArchitecturesWuhan University of Technology Wuhan 430070 P. R. China
- ARC Centre of Excellence in Exciton ScienceMonash University Clayton Victoria 3800 Australia
| | - Liqiang Mai
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingState Key Laboratory of Silicate Materials for ArchitecturesWuhan University of Technology Wuhan 430070 P. R. China
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48
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Rani Verma P, Payra S, Khan F, Penta S, Banerjee S. CuBr
2
@g‐C
3
N
4
‐Catalyzed Highly Selective Aerobic Oxidation of Alcohol and Toluene Derivatives. ChemistrySelect 2020. [DOI: 10.1002/slct.201904646] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Padma Rani Verma
- Department of Chemistry National Institute of Technology Raipur G.E. Road, Amanaka Raipur, C.G. 492010 India
| | - Soumen Payra
- Department of Chemistry Guru Ghasidas Vishwavidyalaya Koni, Bilaspur, C.G. 495009 India
| | - Fahmida Khan
- Department of Chemistry National Institute of Technology Raipur G.E. Road, Amanaka Raipur, C.G. 492010 India
| | - Santosh Penta
- Department of Chemistry National Institute of Technology Raipur G.E. Road, Amanaka Raipur, C.G. 492010 India
| | - Subhash Banerjee
- Department of Chemistry Guru Ghasidas Vishwavidyalaya Koni, Bilaspur, C.G. 495009 India
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49
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Kong W, Zhang X, Chang B, Guo Y, Li Y, Zhang S, Yang B. TiO
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Nanorods Co‐decorated with Metal‐Free Carbon Materials for Boosted Photoelectrochemical Water Oxidation. ChemElectroChem 2020. [DOI: 10.1002/celc.202000032] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Weiqian Kong
- Department Henan Provincial Key Laboratory of Nanocomposite and Applications Institute of Nanostructured Functional MaterialsHuanghe Science and Technology College Zhengzhou, Henan 450006 China
| | - Xiaofan Zhang
- School of Materials Science and EngineeringDongguan University of Technology Dongguan 523808 China
| | - Binbin Chang
- Department Henan Provincial Key Laboratory of Nanocomposite and Applications Institute of Nanostructured Functional MaterialsHuanghe Science and Technology College Zhengzhou, Henan 450006 China
| | - Yanzhen Guo
- Department Henan Provincial Key Laboratory of Nanocomposite and Applications Institute of Nanostructured Functional MaterialsHuanghe Science and Technology College Zhengzhou, Henan 450006 China
| | - Yipeng Li
- Department Henan Provincial Key Laboratory of Nanocomposite and Applications Institute of Nanostructured Functional MaterialsHuanghe Science and Technology College Zhengzhou, Henan 450006 China
| | - Shouren Zhang
- Department Henan Provincial Key Laboratory of Nanocomposite and Applications Institute of Nanostructured Functional MaterialsHuanghe Science and Technology College Zhengzhou, Henan 450006 China
| | - Baocheng Yang
- Department Henan Provincial Key Laboratory of Nanocomposite and Applications Institute of Nanostructured Functional MaterialsHuanghe Science and Technology College Zhengzhou, Henan 450006 China
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50
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Luan P, Meng Q, Wu J, Li Q, Zhang X, Zhang Y, O'Dell LA, Raga SR, Pringle J, Griffith JC, Sun C, Bach U, Zhang J. Unique Layer-Doping-Induced Regulation of Charge Behavior in Metal-Free Carbon Nitride Photoanodes for Enhanced Performance. CHEMSUSCHEM 2020; 13:328-333. [PMID: 31777179 DOI: 10.1002/cssc.201902967] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Indexed: 06/10/2023]
Abstract
Photoinduced charge carrier behavior is critical in determining photoelectrocatalytic activity. In this study, a unique layer-doped metal-free polymeric carbon nitride (C3 N4 ) photoanode is fabricated by using one-pot thermal vapor deposition. With this method, a photoanode consisting of a phosphorus-doped top layer, boron-doped middle layer, and pristine C3 N4 bottom layer, was formed as a result of the difference in thermal polymerization kinetics associated with the boron-containing H3 BO3 -melamine complex and the phosphorus-containing H3 PO4 -dicyandiamide complex. This layer-doping fabrication strategy effectively contributes to the formation of dual junctions that optimizing charge carrier behavior. The ternary-layer C3 N4 photoanode exhibits significantly enhanced photoelectrochemical water oxidation activity compared to pristine C3 N4 , with a record photocurrent density of 150±10 μA cm-2 at 1.23 V vs. RHE. This layer-doping strategy provides an effective means for design and fabrication of photoelectrodes for solar water oxidation.
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Affiliation(s)
- Peng Luan
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
| | - Qingqiang Meng
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, P. R. China
| | - Jing Wu
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150001, P. R. China
| | - Qinye Li
- Department of Chemical Engineering, Monash University, Clayton, VIC, 3800, Australia
| | - Xiaolong Zhang
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
| | - Ying Zhang
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
| | - Luke A O'Dell
- Institute for Frontier Materials, Deakin University, Waurn Ponds, VIC, 3216, Australia
| | - Sonia R Raga
- Department of Chemical Engineering, Monash University, Clayton, VIC, 3800, Australia
| | - Jennifer Pringle
- Institute for Frontier Materials, Deakin University, Waurn Ponds, VIC, 3216, Australia
| | - James C Griffith
- Monash X-ray Platform, Monash University, Wellington Road, Clayton, VIC, 3800, Australia
| | - Chenghua Sun
- Department of Chemistry and Biotechnology and Center for Translational Atomaterials, Swinburne University of Technology, Hawthorn, VIC, 3122, Australia
| | - Udo Bach
- Department of Chemical Engineering, Monash University, Clayton, VIC, 3800, Australia
| | - Jie Zhang
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
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