1
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Chen Z, Hao S, Li H, Dong X, Chen X, Yuan J, Sidorenko A, Huang J, Gu Y. Dipolar Microenvironment Engineering Enabled by Electron Beam Irradiation for Boosting Catalytic Performance. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2401562. [PMID: 38860673 PMCID: PMC11321705 DOI: 10.1002/advs.202401562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 04/07/2024] [Indexed: 06/12/2024]
Abstract
Creating a diverse dipolar microenvironment around the active site is of great significance for the targeted induction of intermediate behaviors to achieve complicated chemical transformations. Herein, an efficient and general strategy is reported to construct hypercross-linked polymers (HCPs) equipped with tunable dipolar microenvironments by knitting arene monomers together with dipolar functional groups into porous network skeletons. Benefiting from the electron beam irradiation modification technique, the catalytic sites are anchored in an efficient way in the vicinity of the microenvironment, which effectively facilitates the processing of the reactants delivered to the catalytic sites. By varying the composition of the microenvironment scaffold structure, the contact and interaction behavior with the reaction participants can be tuned, thereby affecting the catalytic activity and selectivity. As a result, the framework catalysts produced in this way exhibit excellent catalytic performance in the synthesis of glycinate esters and indole derivatives. This manipulation is reminiscent of enzymatic catalysis, which adjusts the internal polarity environment and controls the output of products by altering the scaffold structure.
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Affiliation(s)
- Zhiyan Chen
- Huazhong University of Science and Technology1037 Luoyu RoadHongshan DistrictWuhan430074China
- Key Laboratory of Material Chemistry for Energy Conversion and StorageMinistry of EducationHubei Key Laboratory of Material Chemistry and Service FailureHuazhong University of Science and TechnologyWuhan430074China
| | - Shuai Hao
- Huazhong University of Science and Technology1037 Luoyu RoadHongshan DistrictWuhan430074China
- Key Laboratory of Material Chemistry for Energy Conversion and StorageMinistry of EducationHubei Key Laboratory of Material Chemistry and Service FailureHuazhong University of Science and TechnologyWuhan430074China
| | - Haozhe Li
- Huazhong University of Science and Technology1037 Luoyu RoadHongshan DistrictWuhan430074China
- State Key Laboratory of Advanced Electromagnetic Engineering and TechnologyHuazhong University of Science and TechnologyWuhan430074China
| | - Xiaohan Dong
- Huazhong University of Science and Technology1037 Luoyu RoadHongshan DistrictWuhan430074China
- Key Laboratory of Material Chemistry for Energy Conversion and StorageMinistry of EducationHubei Key Laboratory of Material Chemistry and Service FailureHuazhong University of Science and TechnologyWuhan430074China
| | - Xihao Chen
- Huazhong University of Science and Technology1037 Luoyu RoadHongshan DistrictWuhan430074China
- State Key Laboratory of Advanced Electromagnetic Engineering and TechnologyHuazhong University of Science and TechnologyWuhan430074China
| | - Jushigang Yuan
- Huazhong University of Science and Technology1037 Luoyu RoadHongshan DistrictWuhan430074China
- State Key Laboratory of Advanced Electromagnetic Engineering and TechnologyHuazhong University of Science and TechnologyWuhan430074China
| | - Alexander Sidorenko
- Institute of Chemistry of New Materials of National Academy of Sciences of BelarusMinsk220084Belarus
| | - Jiang Huang
- Huazhong University of Science and Technology1037 Luoyu RoadHongshan DistrictWuhan430074China
- State Key Laboratory of Advanced Electromagnetic Engineering and TechnologyHuazhong University of Science and TechnologyWuhan430074China
| | - Yanlong Gu
- Huazhong University of Science and Technology1037 Luoyu RoadHongshan DistrictWuhan430074China
- Key Laboratory of Material Chemistry for Energy Conversion and StorageMinistry of EducationHubei Key Laboratory of Material Chemistry and Service FailureHuazhong University of Science and TechnologyWuhan430074China
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2
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Tang Y, Liu K, Zhang J, Wang J, Wang H, Liu M, Zhang J, Ma G. A Visible Light-Responsive TiO 2 Photocathode Achieved by a Rh Dopant. J Phys Chem Lett 2024; 15:6166-6173. [PMID: 38836599 DOI: 10.1021/acs.jpclett.4c00910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
Developing an efficient and stable photocathode material for photoelectrochemical solar water splitting remains challenging. Herein, we demonstrate the potential of rutile TiO2 as a photocathode by Rh doping with visible light absorption up to 640 nm and an onset potential of 0.9 V versus the reversible hydrogen electrode. The dopant transforms the rutile host from an n-type semiconductor to a p-type one, as confirmed by the Mott-Schottky curve and kelvin probe force microscopy. Physical and photoelectrochemical analyses further suggest that the doping mechanism is dependent on concentration. Lower levels of dopants generate localized Rh3+, while higher levels favor Rh4+ that interacts more strongly with the O 2p orbitals. The latter is found not only to extend the visible light absorption range but also to facilitate charge transport. This work elucidates the role of the Rh dopant in adjusting the photoelectrochemical behavior of TiO2, and it provides a promising photocathode material for solar energy conversion.
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Affiliation(s)
- Yecheng Tang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
| | - Kaiwei Liu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
| | - Jiaming Zhang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
| | - Jiaming Wang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
| | - Haifeng Wang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
| | - Meng Liu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
| | - Jifang Zhang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
| | - Guijun Ma
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
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3
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Gu M, Yu Z, Wu X, Sun Y, Hu J, Dong Y, Wang GL. Thioredoxin Reductase-Mediated Reaction Evokes In Situ Surface Polarization Effect on BiOIO 3: Toward a New Sensing Strategy for Cathodic Photoelectrochemistry. ACS APPLIED MATERIALS & INTERFACES 2024; 16:8518-8526. [PMID: 38335724 DOI: 10.1021/acsami.3c18323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
We have witnessed the fast progress of cathodic photoelectrochemistry over the past decades, though its signal transduction tactic still lacks diversity. Exploring new sensing strategies for cathodic photoelectrochemistry is extremely demanding yet hugely challenging. This article puts forward a unique idea to incorporate an enzymatic reaction-invoked surface polarization effect (SPE) on the surface of BiOIO3 to implement an innovative cathodic photoelectrochemical (PEC) bioanalysis. Specifically, the thioredoxin reductase (TrxR)-mediated reaction produced the polar glutathione (GSH), which spontaneously coordinated to the surface of BiOIO3 and induced SPE by forming a polarized electric field, resulting in improved electron (e-) and hole (h+) pair separation efficiency and an enhanced photocurrent output. Correlating this phenomenon with the detection of TrxR exhibited a high performance in terms of sensitivity and selectivity, achieving a linear range of 0.007-0.5 μM and a low detection limit of 2.0 nM (S/N = 3). This study brings refreshing inspiration for the cathodic PEC signal transduction tactic through enzyme-mediated in situ reaction to introduce SPE, which enriches the diversity of available signaling molecules. Moreover, this study unveils the potential of in situ generated SPE for extended and futuristic applications.
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Affiliation(s)
- Mengmeng Gu
- Key Laboratory of Synthetic and Biological Colloids (Ministry of Education), School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
| | - Zhangcong Yu
- Key Laboratory of Synthetic and Biological Colloids (Ministry of Education), School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
| | - Xiuming Wu
- Key Laboratory of Synthetic and Biological Colloids (Ministry of Education), School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
| | - Yuanyuan Sun
- Key Laboratory of Synthetic and Biological Colloids (Ministry of Education), School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
| | - Jiangwei Hu
- Key Laboratory of Synthetic and Biological Colloids (Ministry of Education), School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
| | - Yuming Dong
- Key Laboratory of Synthetic and Biological Colloids (Ministry of Education), School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
| | - Guang-Li Wang
- Key Laboratory of Synthetic and Biological Colloids (Ministry of Education), School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
- Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
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4
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Eisapour M, Zhao H, Zhao J, Roostaei T, Li Z, Omidkar A, Hu J, Chen Z. p-n heterojunction of nickel oxide on titanium dioxide nanosheets for hydrogen and value-added chemicals coproduction from glycerol photoreforming. J Colloid Interface Sci 2023; 647:255-263. [PMID: 37253294 DOI: 10.1016/j.jcis.2023.05.138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 05/06/2023] [Accepted: 05/20/2023] [Indexed: 06/01/2023]
Abstract
Selective photocatalysis to simultaneously produce sustainable hydrogen and value-added chemicals from biomass or biomass derivates is attracting extensive investigations. However, the lack of bifunctional photocatalyst greatly limits the possibility to realize the "one stone kills two birds" scenario. Herein, anatase titanium dioxide (TiO2) nanosheets are rationally designed as the n-type semiconductor, combining with nickel oxide (NiO) nanoparticles, the p-type semiconductor, resulting in the formation of a p-n heterojunction structure. The shorten charge transfer path and the spontaneous formation of p-n heterojunction endow the photocatalyst with efficient spatial separation of photogenerated electrons and holes. As a result, TiO2 accumulates electrons for efficient hydrogen generation while NiO collects holes to selectively oxidize glycerol into value-added chemicals. The results showed that by loading 5% nickel into the heterojunction caused a remarkable rise in the generation of hydrogen (H2). The combination of NiO-TiO2 created 4000 µmolh-1g-1 of H2, which is 50% greater than the H2 production from pure nanosheet TiO2 and 63 times more than the H2 production from commercial nanopowder TiO2. Then, by changing loading amount of Ni, it is found that when 7.5 % of Ni is loaded the highest amount of hydrogen production achieved, 8000 µmolh-1g-1. By employing best sample (S3), 20 % of glycerol converted to value added products, glyceraldehyde and dihydroxyacetone. The feasibility study revealed that glyceraldehyde generates the largest portion of yearly earnings at 89%, while dihydroxyacetone and H2 account for 11% and 0.03% of the annual revenue, respectively. This work provides a good example to simultaneously produce green hydrogen and valuable chemicals with the rational design of dually functional photocatalyst.
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Affiliation(s)
- Mehdi Eisapour
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive, NW, Calgary, Alberta T2N 1N4, Canada
| | - Heng Zhao
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive, NW, Calgary, Alberta T2N 1N4, Canada.
| | - Jun Zhao
- Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agricultural Sciences in Weifang, Shandong 261325, China
| | - Tayebeh Roostaei
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive, NW, Calgary, Alberta T2N 1N4, Canada
| | - Zheng Li
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive, NW, Calgary, Alberta T2N 1N4, Canada
| | - Ali Omidkar
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive, NW, Calgary, Alberta T2N 1N4, Canada
| | - Jinguang Hu
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive, NW, Calgary, Alberta T2N 1N4, Canada.
| | - Zhangxin Chen
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive, NW, Calgary, Alberta T2N 1N4, Canada; Eastern Institute for Advanced Study, Ningbo, Zhengjiang 315200, China.
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5
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Zhang M, Li K, Hu C, Ma K, Sun W, Huang X, Ding Y. Co nanoparticles modified phase junction CdS for photoredox synthesis of hydrobenzoin and hydrogen evolution. CHINESE JOURNAL OF CATALYSIS 2023. [DOI: 10.1016/s1872-2067(23)64393-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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6
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Gu D, Qin W, Hu S, Li R, Chen X, Tao X, Ouyang Y, Zhu W. Enhanced Photocatalytic Activity of Two-Dimensional Polar Monolayer SiTe for Water-Splitting via Strain Engineering. Molecules 2023; 28:molecules28072971. [PMID: 37049734 PMCID: PMC10096314 DOI: 10.3390/molecules28072971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/19/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
A two-dimensional (2D) polar monolayer with a polarization electric field can be used as a potential photocatalyst. In this work, first principle calculations were used to investigate the stability and photocatalytic properties of 2D polar monolayer SiTe as a potential promising catalyst in water-splitting. Our results show that the 2D polar monolayer SiTe possesses an indirect band gap of 2.41 eV, a polarization electric field from the (001) surface to the (001¯) surface, a wide absorption region, and a suitable band alignment for photocatalytic water-splitting. We also discovered that the photocatalytic activity of 2D polar monolayer SiTe could be effectively tuned through strain engineering. Additionally, strain engineering, particularly compressive strain in the range from −1% to −3%, can enhance the photocatalytic activity of 2D polar monolayer SiTe. Overall, our findings suggest that 2D polar monolayer SiTe has the potential to be a promising catalyst for photocatalytic water-splitting using visible light.
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Affiliation(s)
- Di Gu
- Department of Physics, School of Science, Guangdong University of Petrochemical Technology, Maoming 525000, China; (D.G.)
| | - Wen Qin
- Department of Physics, School of Science, Guangdong University of Petrochemical Technology, Maoming 525000, China; (D.G.)
| | - Sumei Hu
- Department of Physics, School of Science, Guangdong University of Petrochemical Technology, Maoming 525000, China; (D.G.)
| | - Rong Li
- Department of Physics, School of Science, Guangdong University of Petrochemical Technology, Maoming 525000, China; (D.G.)
| | - Xingyuan Chen
- Department of Physics, School of Science, Guangdong University of Petrochemical Technology, Maoming 525000, China; (D.G.)
- Correspondence: (X.C.); (W.Z.)
| | - Xiaoma Tao
- School of Physical Science and Technology, Guangxi University, Nanning 530004, China
| | - Yifang Ouyang
- School of Physical Science and Technology, Guangxi University, Nanning 530004, China
| | - Weiling Zhu
- Department of Physics, School of Science, Guangdong University of Petrochemical Technology, Maoming 525000, China; (D.G.)
- Correspondence: (X.C.); (W.Z.)
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7
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Ge K, Li Z, Wang A, Bai Z, Zhang X, Zheng X, Liu Z, Gao F. An NIR-Driven Upconversion/C 3N 4/CoP Photocatalyst for Efficient Hydrogen Production by Inhibiting Electron-Hole Pair Recombination for Alzheimer's Disease Therapy. ACS NANO 2023; 17:2222-2234. [PMID: 36688477 DOI: 10.1021/acsnano.2c08499] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Redox imbalance and abnormal amyloid protein (Aβ) buildup are key factors in the etiology of Alzheimer's disease (AD). As an antioxidant, the hydrogen molecule (H2) has the potential to cure AD by specifically scavenging highly harmful reactive oxygen species (ROS) such as •OH. However, due to the low solubility of H2 (1.6 ppm), the traditional H2 administration pathway cannot easily achieve long-term and effective accumulation of H2 in the foci. Therefore, how to achieve the continuous release of H2 in situ is the key to improve the therapeutic effect on AD. As a corollary, we designed a rare earth ion doped g-C3N4 upconversion photocatalyst, which can respond to NIR and realize the continuous production of H2 by photocatalytic decomposition of H2O in biological tissue, which avoids the problem of the poor penetration of visible light. The introduction of CoP cocatalyst accelerates the separation and transfer of photogenerated electrons in g-C3N4, thus improving the photocatalytic activity of hydrogen evolution reaction. The morphology of the composite photocatalyst was shown by transmission electron microscopy, and the crystal structure was studied by X-ray diffractometry and Raman analysis. In addition, the ability of g-C3N4 to chelate metal ions and the photothermal properties of CoP can inhibit Aβ and reduce the deposition of Aβ in the brain. Efficient in situ hydrogen production therapy combined with multitarget synergism solves the problem of a poor therapeutic effect of a single target. In vivo studies have shown that UCNP@CoP@g-C3N4 can reduce Aβ deposition, improve memory impairment, and reduce neuroinflammation in AD mice.
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Affiliation(s)
- Kezhen Ge
- Jiangsu Key Laboratory of Brain Disease and Bioinformation, School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Zheng Li
- Jiangsu Key Laboratory of Brain Disease and Bioinformation, School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Ali Wang
- Jiangsu Key Laboratory of Brain Disease and Bioinformation, School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Zetai Bai
- Jiangsu Key Laboratory of Brain Disease and Bioinformation, School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Xing Zhang
- Jiangsu Key Laboratory of Brain Disease and Bioinformation, School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Xin Zheng
- Jiangsu Key Laboratory of Brain Disease and Bioinformation, School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Zhao Liu
- Jiangsu Key Laboratory of Brain Disease and Bioinformation, School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
- Department of Thyroid and Breast Surgery, Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221004, China
| | - Fenglei Gao
- Jiangsu Key Laboratory of Brain Disease and Bioinformation, School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
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8
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Dai W, Wang P, Long J, Xu Y, Zhang M, Yang L, Zou J, Luo X, Luo S. Constructing Robust Bi Active Sites In Situ on α-Bi 2O 3 for Efficient and Selective Photoreduction of CO 2 to CH 4 via Directional Transfer of Electrons. ACS Catal 2023. [DOI: 10.1021/acscatal.2c05724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Weili Dai
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, P. R. China
| | - Ping Wang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, P. R. China
| | - Jianfei Long
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, P. R. China
| | - Yong Xu
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, P. R. China
| | - Man Zhang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, P. R. China
| | - Lixia Yang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, P. R. China
| | - Jianping Zou
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, P. R. China
| | - Xubiao Luo
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, P. R. China
| | - Shenglian Luo
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, P. R. China
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9
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Zhou P, Navid IA, Xiao Y, Ye Z, Dong WJ, Wang P, Sun K, Mi Z. Metal-Support Interaction-Promoted Photothermal Catalytic Methane Reforming into Liquid Fuels. J Phys Chem Lett 2022; 13:8122-8129. [PMID: 35998363 DOI: 10.1021/acs.jpclett.2c01459] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Clean and renewable photocatalytic technology for methane reforming into high-value liquid fuels, such as methanol, is a promising strategy for commercial industrial applications. However, poor charge separation, sluggish methane activation, and excessive oxidation collectively inhibit the production of methanol from photocatalytic methane reforming. Herein, we have developed enhanced metal-support interactions between a GaN nanowire photocatalyst and a Cu nanoparticle (CuNP) cocatalyst via p-doping in GaN. CuNP-loaded p-type GaN (Cu/p-GaN) with enhanced metal-support interaction has 3.5-fold higher activity (12.8 mmol g-1 h-1, higher than previous reports) for methanol production in photothermal catalytic methane reforming with oxygen as an oxidant and sunlight as the sole energy source than CuNP-loaded intrinsic GaN (Cu/i-GaN) or n-type GaN (Cu/n-GaN). In-situ IR measurements indicate that enhanced metal-support interaction significantly promotes activation of methane and formation of methanol. Combining with X-ray photoelectron spectroscopy (XPS), density functional theory (DFT) simulations demonstrate that this enhanced metal-support interaction in Cu/p-GaN greatly improves electron transfer from p-GaN photocatalysts to the 3d states of CuNP cocatalysts through the interface between them. Catalytic pathway simulations further reveal that the enhanced metal-support interaction in Cu/p-GaN also desirably decreases the reaction energy of rate-determining methanol desorption, which decreases the excessive oxidation of the produced methanol and accelerates the regeneration of surface catalytic sites. These studies and findings offer critical insights into the design and development of metal nanoparticle-loaded photocatalysts for photocatalysis-based methane reforming into methanol.
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Affiliation(s)
- Peng Zhou
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Ishtiaque Ahmed Navid
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Yixin Xiao
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Zhengwei Ye
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Wan Jae Dong
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Ping Wang
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Kai Sun
- Department of Materials Science and Engineering, University of Michigan, 2300 Hayward Street, Ann Arbor, Michigan 48109, United States
| | - Zetian Mi
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, Michigan 48109, United States
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10
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Ultra-sensitive electroanalysis of toxic 2,4-DNT on o-CoxFe1-xSe2 solid solution: Fe-doping-induced c-CoSe2 phase transition to form electron-rich active sites. Anal Chim Acta 2022; 1227:340291. [DOI: 10.1016/j.aca.2022.340291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 08/03/2022] [Accepted: 08/17/2022] [Indexed: 11/22/2022]
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11
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Zhang C, Xie C, Gao Y, Tao X, Ding C, Fan F, Jiang HL. Charge Separation by Creating Band Bending in Metal-Organic Frameworks for Improved Photocatalytic Hydrogen Evolution. Angew Chem Int Ed Engl 2022; 61:e202204108. [PMID: 35522460 DOI: 10.1002/anie.202204108] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Indexed: 11/09/2022]
Abstract
Metal-organic frameworks (MOFs) have been intensively studied as a class of semiconductor-like materials in photocatalysis. However, band bending, which plays a crucial role in semiconductor photocatalysis, has not yet been demonstrated in MOF photocatalysts. Herein, a representative MOF, MIL-125-NH2 , is integrated with the metal oxides (MoO3 and V2 O5 ) that feature appropriate work functions and energy levels to afford the corresponding MOF composites. Surface photovoltage results demonstrate band bending in the MOF composites, which gives rise to the built-in electric field of MIL-125-NH2 , boosting the charge separation. As a result, the MOF composites present 56 and 42 times higher activities, respectively, compared to the pristine MOF for photocatalytic H2 production. Upon depositing Pt onto the MOF, ∼6 times higher activity is achieved. This work illustrates band bending of MOFs for the first time, supporting their semiconductor-like nature, which would greatly promote MOF photocatalysis.
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Affiliation(s)
- Chenxi Zhang
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Chenfan Xie
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yuying Gao
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, P. R. China
| | - Xiaoping Tao
- Research Initiative for Supra-Materials, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, Nagano, 380-8553, Japan
| | - Chunmei Ding
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, P. R. China
| | - Fengtao Fan
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, P. R. China
| | - Hai-Long Jiang
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
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12
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Fu H, Zhao H, Yang X, Xiong S, An X. High-performance MoS2/CdS nanodiamonds for photocatalytic hydrogen evolution under visible light irradiation. POWDER TECHNOL 2022. [DOI: 10.1016/j.powtec.2022.117596] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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13
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Zhang C, Xie C, Gao Y, Tao X, Ding C, Fan F, Jiang HL. Charge Separation by Creating Band Bending in Metal‐Organic Frameworks for Improved Photocatalytic Hydrogen Evolution. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202204108] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Chenxi Zhang
- USTC: University of Science and Technology of China Chemistry CHINA
| | - Chenfan Xie
- USTC: University of Science and Technology of China Chemistry CHINA
| | - Yuying Gao
- DICP: Chinese Academy of Sciences Dalian Institute of Chemical Physics State Key Laboratory of Catalysis CHINA
| | - Xiaoping Tao
- Shinshu University Graduate School of Engineering Faculty of Engineering: Shinshu Daigaku Chemistry CHINA
| | - Chunmei Ding
- DICP: Chinese Academy of Sciences Dalian Institute of Chemical Physics State Key Laboratory of Catalysis CHINA
| | - Fengtao Fan
- DICP: Chinese Academy of Sciences Dalian Institute of Chemical Physics State Key Laboratory of Catalysis CHINA
| | - Hai-Long Jiang
- University of Science and Technology of China (USTC) Department of Chemistry No. 96 Jinzhai Road 230026 Hefei CHINA
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14
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An X, Kays JC, Lightcap IV, Ouyang T, Dennis AM, Reinhard BM. Wavelength-Dependent Bifunctional Plasmonic Photocatalysis in Au/Chalcopyrite Hybrid Nanostructures. ACS NANO 2022; 16:6813-6824. [PMID: 35349253 PMCID: PMC9676104 DOI: 10.1021/acsnano.2c01706] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Excited, or "hot" charge carrier generation and transfer driven by the decay of localized surface plasmon resonances (LSPRs) are key steps in plasmonic photocatalysis. Hybrid structures that contain both metal and semiconductor building blocks facilitate the extraction of reactive charge carriers and their utilization for photoelectrocatalysis. Additional functionality arises from hybrid structures that combine noble metal nanostructures with semiconductor components, such as chalcopyrite (CuFeS2) nanocrystals (NCs), which by themselves support quasistatic resonances. In this work, we use a hybrid membrane to integrate Au nanorods (NRs) with a longitudinal LSPR at 745 nm and CuFeS2 NCs with a resonance peak at 490 nm into water-stable nanocomposites for robust and bifunctional photocatalysis of oxygen and hydrogen evolution reactions in a wavelength-dependent manner. Excitation of NRs or NCs in the nanocomposite correlates with increased hydrogen or oxygen evolution, respectively, consistent with a light-driven electron transfer between the metal and semiconductor building blocks, the direction of which depends on the wavelength. The bifunctional photoreactivity of the nanocomposite is enhanced by Cu(I)/Cu(II)-assisted catalysis on the surface of the NCs.
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Affiliation(s)
- Xingda An
- Department of Chemistry, Boston University, Boston, MA 02215, USA
- The Photonics Center, Boston University, Boston, MA 02215, USA
| | - Joshua C. Kays
- Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA
- The Photonics Center, Boston University, Boston, MA 02215, USA
| | - Ian V. Lightcap
- Center for Sustainable Energy, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Tianhong Ouyang
- Department of Chemistry, Boston University, Boston, MA 02215, USA
- The Photonics Center, Boston University, Boston, MA 02215, USA
| | - Allison M. Dennis
- Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA
- Division of Materials Science and Engineering, Boston University, Boston, MA 02215, USA
- The Photonics Center, Boston University, Boston, MA 02215, USA
| | - Björn M. Reinhard
- Department of Chemistry, Boston University, Boston, MA 02215, USA
- The Photonics Center, Boston University, Boston, MA 02215, USA
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15
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Luo Z, Ye X, Zhang S, Xue S, Yang C, Hou Y, Xing W, Yu R, Sun J, Yu Z, Wang X. Unveiling the charge transfer dynamics steered by built-in electric fields in BiOBr photocatalysts. Nat Commun 2022; 13:2230. [PMID: 35468890 PMCID: PMC9038904 DOI: 10.1038/s41467-022-29825-0] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Accepted: 04/01/2022] [Indexed: 11/09/2022] Open
Abstract
Construction of internal electric fields (IEFs) is crucial to realize efficient charge separation for charge-induced redox reactions, such as water splitting and CO2 reduction. However, a quantitative understanding of the charge transfer dynamics modulated by IEFs remains elusive. Here, electron microscopy study unveils that the non-equilibrium photo-excited electrons are collectively steered by two contiguous IEFs within binary (001)/(200) facet junctions of BiOBr platelets, and they exhibit characteristic Gaussian distribution profiles on reduction facets by using metal co-catalysts as probes. An analytical model justifies the Gaussian curve and allows us to measure the diffusion length and drift distance of electrons. The charge separation efficiency, as well as photocatalytic performances, are maximized when the platelet size is about twice the drift distance, either by tailoring particle dimensions or tuning IEF-dependent drift distances. The work offers great flexibility for precisely constructing high-performance particulate photocatalysts by understanding charge transfer dynamics.
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Affiliation(s)
- Zhishan Luo
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China.,College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Xiaoyuan Ye
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Shijia Zhang
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Sikang Xue
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Can Yang
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Yidong Hou
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Wandong Xing
- National Center for Electron Microscopy in Beijing, School of Materials Science and Engineering, Key Laboratory of Advanced Materials of Ministry of Education of China, State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University, Beijing, 100084, China
| | - Rong Yu
- National Center for Electron Microscopy in Beijing, School of Materials Science and Engineering, Key Laboratory of Advanced Materials of Ministry of Education of China, State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University, Beijing, 100084, China
| | - Jie Sun
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350100, China and College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350100, China
| | - Zhiyang Yu
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China.
| | - Xinchen Wang
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China.
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16
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Tao X, Zhao Y, Wang S, Li C, Li R. Recent advances and perspectives for solar-driven water splitting using particulate photocatalysts. Chem Soc Rev 2022; 51:3561-3608. [PMID: 35403632 DOI: 10.1039/d1cs01182k] [Citation(s) in RCA: 125] [Impact Index Per Article: 62.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The conversion and storage of solar energy to chemical energy via artificial photosynthesis holds significant potential for optimizing the energy situation and mitigating the global warming effect. Photocatalytic water splitting utilizing particulate semiconductors offers great potential for the production of renewable hydrogen, while this cross-road among biology, chemistry, and physics features a topic with fascinating interdisciplinary challenges. Progress in photocatalytic water splitting has been achieved in recent years, ranging from fundamental scientific research to pioneering scalable practical applications. In this review, we focus mainly on the recent advancements in terms of the development of new light-absorption materials, insights and strategies for photogenerated charge separation, and studies towards surface catalytic reactions and mechanisms. In particular, we emphasize several efficient charge separation strategies such as surface-phase junction, spatial charge separation between facets, and polarity-induced charge separation, and also discuss their unique properties including ferroelectric and photo-Dember effects on spatial charge separation. By integrating time- and space-resolved characterization techniques, critical issues in photocatalytic water splitting including photoinduced charge generation, separation and transfer, and catalytic reactions are analyzed and reviewed. In addition, photocatalysts with state-of-art efficiencies in the laboratory stage and pioneering scalable solar water splitting systems for hydrogen production using particulate photocatalysts are presented. Finally, some perspectives and outlooks on the future development of photocatalytic water splitting using particulate photocatalysts are proposed.
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Affiliation(s)
- Xiaoping Tao
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Zhongshan Road 457, Dalian, 116023, China.
| | - Yue Zhao
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Zhongshan Road 457, Dalian, 116023, China.
| | - Shengyang Wang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Zhongshan Road 457, Dalian, 116023, China.
| | - Can Li
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Zhongshan Road 457, Dalian, 116023, China. .,University of Chinese Academy of Sciences, China
| | - Rengui Li
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Zhongshan Road 457, Dalian, 116023, China.
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17
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Jin L, Wu Y, Zhang H, Wang Y. In‐situ Synthesis of the Thinnest In
2
Se
3
/In
2
S
3
/In
2
Se
3
Sandwich‐Like Heterojunction for Photoelectrocatalytic Water Splitting. Chemistry 2022; 28:e202104428. [DOI: 10.1002/chem.202104428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Indexed: 11/09/2022]
Affiliation(s)
- Lin Jin
- College of Chemistry and Chemical Engineering State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University 174 Shazheng Street, Shapingba District Chongqing City 400044 P. R. China
| | - Yu Wu
- College of Chemistry and Chemical Engineering State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University 174 Shazheng Street, Shapingba District Chongqing City 400044 P. R. China
| | - Huijuan Zhang
- College of Chemistry and Chemical Engineering State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University 174 Shazheng Street, Shapingba District Chongqing City 400044 P. R. China
| | - Yu Wang
- College of Chemistry and Chemical Engineering State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University 174 Shazheng Street, Shapingba District Chongqing City 400044 P. R. China
- College of Electrical Engineering Chongqing University 174 Shazheng Street, Shapingba District Chongqing City 400044 P. R. China
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18
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Wu Z, Yang Q, Liu Y, Zhang B, Li R, Wang W, Wang J, Domen K, Wang F, Fan F. Can Li: A Career in Catalysis. ACS Catal 2022. [DOI: 10.1021/acscatal.1c06034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Zili Wu
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
| | - Qihua Yang
- State Key Laboratory of Catalysis, Chinese Academy of Sciences, Dalian 116023, China
| | - Yan Liu
- State Key Laboratory of Catalysis, Chinese Academy of Sciences, Dalian 116023, China
| | - Boyu Zhang
- College of Medical Laboratory, Dalian Medical University, Dalian 116044, China
| | - Rengui Li
- State Key Laboratory of Catalysis, Chinese Academy of Sciences, Dalian 116023, China
| | - Wangyin Wang
- State Key Laboratory of Catalysis, Chinese Academy of Sciences, Dalian 116023, China
| | - Jijie Wang
- State Key Laboratory of Catalysis, Chinese Academy of Sciences, Dalian 116023, China
| | - Kazunari Domen
- Research Initiative for Supra-Materials, Shinshu University, Nagano 380-8553, Japan
- The University of Tokyo, Tokyo 113-8656, Japan
| | - Feng Wang
- State Key Laboratory of Catalysis, Chinese Academy of Sciences, Dalian 116023, China
| | - Fengtao Fan
- State Key Laboratory of Catalysis, Chinese Academy of Sciences, Dalian 116023, China
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19
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Lu Y, Popescu R, Gerthsen D, Feng Y, Su WR, Hsu YK, Chen YC. Highly Efficient Recovery of H 2 from Industrial Waste by Sunlight-Driven Photoelectrocatalysis over a ZnS/Bi 2S 3/ZnO Photoelectrode. ACS APPLIED MATERIALS & INTERFACES 2022; 14:7756-7767. [PMID: 35107267 DOI: 10.1021/acsami.1c18142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Hydrogen (H2) fuel production from hazardous contaminants is not only of economic importance but also of significance for the environment and health. Hydrogen production is exemplified in this work by using bismuth sulfide (Bi2S3) sandwiched in between zinc sulfide (ZnS) and zinc oxide (ZnO) as dual-heterojunction photoelectrode to photoelectrochemically extract H2 from sulfide- and sulfite-containing wastewater, which is emitted in enormous quantities from the petrochemical industries. The H2 evolution rate over the ZnS/Bi2S3/ZnO photoelectrode under solar illumination amounts to 112.8 μmol cm-2 h-1, of which the photocurrent density in the meantime reaches 10.7 mA cm-2, by far exceeding those reported for additional Bi2S3-based counterparts in the literature. Such superior performance is ascribed on one hand to the broadband sunlight-harvesting ability of Bi2S3 that gives rise to respectable photoexcited electron-hole pairs. These photogenerated charge carriers are subsequently rectified by the built-in electric field at the ZnS/Bi2S3 and Bi2S3/ZnO heterojunctions to flow in the opposite directions to well circumvent the recombination losses and, most importantly, in turn contribute substantially to the H2 evolution reaction.
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Affiliation(s)
- Yan Lu
- China-UK Low Carbon College, Shanghai Jiao Tong University, No. 3, Yinlian Road, Lingang, Shanghai 201306, People's Republic of China
| | - Radian Popescu
- Laboratorium für Elektronenmikroskopie, Karlsruhe Institute of Technology (KIT), Engesserstraße 7, Karlsruhe D-76131, Germany
| | - Dagmar Gerthsen
- Laboratorium für Elektronenmikroskopie, Karlsruhe Institute of Technology (KIT), Engesserstraße 7, Karlsruhe D-76131, Germany
| | - Yichen Feng
- China-UK Low Carbon College, Shanghai Jiao Tong University, No. 3, Yinlian Road, Lingang, Shanghai 201306, People's Republic of China
| | - Wei-Ren Su
- Department of Opto-Electronic Engineering, National Dong Hwa University, No. 1, Sec. 2, Da Hsueh Road, Shoufeng, Hualien 97401, Taiwan
| | - Yu-Kuei Hsu
- Department of Opto-Electronic Engineering, National Dong Hwa University, No. 1, Sec. 2, Da Hsueh Road, Shoufeng, Hualien 97401, Taiwan
| | - Ying-Chu Chen
- China-UK Low Carbon College, Shanghai Jiao Tong University, No. 3, Yinlian Road, Lingang, Shanghai 201306, People's Republic of China
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20
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Zhang B, Liu K, Xiang Y, Wang J, Lin W, Guo M, Ma G. Facet-Oriented Assembly of Mo:BiVO4 and Rh:SrTiO3 Particles: Integration of p–n Conjugated Photo-electrochemical System in a Particle Applied to Photocatalytic Overall Water Splitting. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00306] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Boyang Zhang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Kaiwei Liu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yao Xiang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Jiaming Wang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Wenrui Lin
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
| | - Mei Guo
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
| | - Guijun Ma
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
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21
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Wu H, Jiang W, Shi L, Li R, Huang L, Li C. Photo-assisted sequential assembling of uniform metal nanoclusters on semiconductor support. iScience 2022; 25:103572. [PMID: 34984328 PMCID: PMC8692999 DOI: 10.1016/j.isci.2021.103572] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 10/11/2021] [Accepted: 12/02/2021] [Indexed: 11/17/2022] Open
Abstract
Dispersing metal nanoclusters on the oxide supports is attracting close attention in heterogeneous catalysis, but great challenges still lie in controlling the size and dispersion of nanoclusters due to the inevitable agglomeration. Here, we propose a sequential photochemical deposition strategy named “first store, and then release” to uniformly fabricate the size-controlling noble metal nanoclusters on semiconductor oxides. Using the typical semiconductor TiO2, the photoexcited electrons can be first stored as reduced species (e.g. Ti3+) under irradiation and the Ti3+ species can optimize both the nucleation and growth processes in dark reaction, resulting in a uniform dispersing of various noble metals (Au, Pt, Ag etc.) with size diameters of ∼1 nm. The nanoclusters catalysts exhibited superior performance in catalytic oxidation of HCHO compared with that of nanoparticles. This work brings a new and useful strategy to construct size-controlling noble metals on the oxide supports for heterogeneous catalysis and the related fields. Metal nanoclusters were deposited on semiconductors via sequential photodeposition Ti3+ species store the photoelectrons and optimize the nucleation and growth processes The catalysts exhibit superior performance in catalytic oxidation of HCHO
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Affiliation(s)
- Haocheng Wu
- Research Center of Nano Science and Technology, College of Sciences, Shanghai University, Shanghai 200444, P. R. China
| | - Wentao Jiang
- Research Center of Nano Science and Technology, College of Sciences, Shanghai University, Shanghai 200444, P. R. China
| | - Liyi Shi
- Research Center of Nano Science and Technology, College of Sciences, Shanghai University, Shanghai 200444, P. R. China
| | - Rengui Li
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China
- Corresponding author
| | - Lei Huang
- Research Center of Nano Science and Technology, College of Sciences, Shanghai University, Shanghai 200444, P. R. China
- Corresponding author
| | - Can Li
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China
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22
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Gu M, Gong Y, Wu XM, Dong Y, Wang GL. Surface polarization of BiOI to boost the photoelectrochemical signal transduction for high performance bioassays. Chem Commun (Camb) 2022; 58:4651-4654. [DOI: 10.1039/d2cc00019a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The surface hydroxylation induced polarization (SHIP) is disclosed as an effective tactic to promote the cathodic photoelectrochemical (PEC) communication of bismuth oxyiodide with doxorubicin (Dox) by as large as three...
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23
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Dai B, Biesold GM, Zhang M, Zou H, Ding Y, Wang ZL, Lin Z. Piezo-phototronic effect on photocatalysis, solar cells, photodetectors and light-emitting diodes. Chem Soc Rev 2021; 50:13646-13691. [PMID: 34821246 DOI: 10.1039/d1cs00506e] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The piezo-phototronic effect (a coupling effect of piezoelectric, photoexcitation and semiconducting properties, coined in 2010) has been demonstrated to be an ingenious and robust strategy to manipulate optoelectronic processes by tuning the energy band structure and photoinduced carrier behavior. The piezo-phototronic effect exhibits great potential in improving the quantum yield efficiencies of optoelectronic materials and devices and thus could help increase the energy conversion efficiency, thus alleviating the energy shortage crisis. In this review, the fundamental principles and challenges of representative optoelectronic materials and devices are presented, including photocatalysts (converting solar energy into chemical energy), solar cells (generating electricity directly under light illumination), photodetectors (converting light into electrical signals) and light-emitting diodes (LEDs, converting electric current into emitted light signals). Importantly, the mechanisms of how the piezo-phototronic effect controls the optoelectronic processes and the recent progress and applications in the above-mentioned materials and devices are highlighted and summarized. Only photocatalysts, solar cells, photodetectors, and LEDs that display piezo-phototronic behavior are reviewed. Material and structural design, property characterization, theoretical simulation calculations, and mechanism analysis are then examined as strategies to further enhance the quantum yield efficiency of optoelectronic devices via the piezo-phototronic effect. This comprehensive overview will guide future fundamental and applied studies that capitalize on the piezo-phototronic effect for energy conversion and storage.
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Affiliation(s)
- Baoying Dai
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA.
| | - Gill M Biesold
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA.
| | - Meng Zhang
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA.
| | - Haiyang Zou
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA.
| | - Yong Ding
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA.
| | - Zhong Lin Wang
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA.
| | - Zhiqun Lin
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA.
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24
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Li L, Zhu X, Zhou Z, Wang Z, Song Y, Mo Z, Yuan J, Yang J, Yi J, Xu H. Crystal phase engineering boosted photo-electrochemical kinetics of CoSe 2 for oxygen evolution catalysis. J Colloid Interface Sci 2021; 611:22-28. [PMID: 34929435 DOI: 10.1016/j.jcis.2021.12.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/29/2021] [Accepted: 12/04/2021] [Indexed: 12/11/2022]
Abstract
Crystal phase is an important parameter that can determine the electronic structure and catalytic properties of catalysts. In this work, we report the crystal phase dependent photo- and electrocatalytic oxygen evolution reaction (OER) performance of CoSe2. In electrocatalytic reaction, we firstly found that CoSe2 with orthorhombic phase (o-CoSe2) showed a higher OER performance than that of CoSe2 with cubic phase (c-CoSe2). In the further exploration of photocatalytic application using Fe2O3 as light harvester and CoSe2 as cocatalysts, o-CoSe2/Fe2O3 can realize the qualitative changes of photocatalytic oxygen evolution performance from "0″ to "1". As contrast, c-CoSe2/Fe2O3 cannot work in photocatalytic oxygen evolution process under the same condition. Experimental and theoretical analysis uncover that, the key factor leading to the crystal phase-dependent performance is the decreased activation barrier of H2O on o-CoSe2 surface. This work opens up an opportunity of correlating the CoSe2 crystal phase with performance in OER.
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Affiliation(s)
- Li Li
- Institute for Energy Research, Jiangsu University, Zhenjiang, Jiangsu 212013, PR China
| | - Xingwang Zhu
- Institute for Energy Research, Jiangsu University, Zhenjiang, Jiangsu 212013, PR China
| | - Zhou Zhou
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, PR China
| | - Zhaolong Wang
- Institute for Energy Research, Jiangsu University, Zhenjiang, Jiangsu 212013, PR China
| | - Yanhua Song
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, PR China
| | - Zhao Mo
- School of Material Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, PR China
| | - Junjie Yuan
- Institute for Energy Research, Jiangsu University, Zhenjiang, Jiangsu 212013, PR China
| | - Juan Yang
- School of Material Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, PR China
| | - Jianjian Yi
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, PR China.
| | - Hui Xu
- Institute for Energy Research, Jiangsu University, Zhenjiang, Jiangsu 212013, PR China.
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25
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TiO2-HfN Radial Nano-Heterojunction: A Hot Carrier Photoanode for Sunlight-Driven Water-Splitting. Catalysts 2021. [DOI: 10.3390/catal11111374] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
The lack of active, stable, earth-abundant, and visible-light absorbing materials to replace plasmonic noble metals is a critical obstacle for researchers in developing highly efficient and cost-effective photocatalytic systems. Herein, a core–shell nanotube catalyst was fabricated consisting of atomic layer deposited HfN shell and anodic TiO2 support layer with full-visible regime photoactivity for photoelectrochemical water splitting. The HfN active layer has two unique characteristics: (1) A large bandgap between optical and acoustic phonon modes and (2) No electronic bandgap, which allows a large population of long life-time hot carriers, which are used to enhance the photoelectrochemical performance. The photocurrent density (≈2.5 mA·cm−2 at 1 V vs. Ag/AgCl) obtained in this study under AM 1.5G 1 Sun illumination is unprecedented, as it is superior to most existing plasmonic noble metal-decorated catalysts and surprisingly indicates a photocurrent response that extends to 730 nm. The result demonstrates the far-reaching application potential of replacing active HER/HOR noble metals such as Au, Ag, Pt, Pd, etc. with low-cost plasmonic ceramics.
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Wu Y, Yao S, Lv G, Wang Y, Zhang H, Liao P, Wang Y. Construction of p-n junctions in single-unit-cell ZnIn2S4 nanosheet arrays toward promoted photoelectrochemical performance. J Catal 2021. [DOI: 10.1016/j.jcat.2021.08.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Shen Z, Zhou Y, Guo Y, Zhao J, Song J, Xie Y, Ling Y, Zhang W. Tuning the concentration of surface/bulk oxygen vacancies in CeO2 nanorods to promote highly efficient photodegradation of organic dyes. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.01.044] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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28
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Yang L, Zhang C, Yu X, Yao Y, Li Z, Wu C, Yao W, Zou Z. Extraterrestrial artificial photosynthetic materials for in-situ resource utilization. Natl Sci Rev 2021; 8:nwab104. [PMID: 34691720 PMCID: PMC8363334 DOI: 10.1093/nsr/nwab104] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 05/28/2021] [Accepted: 06/10/2021] [Indexed: 02/06/2023] Open
Abstract
Aerospace milestones in human history, including returning to the moon and manned Martian missions, have been implemented in recent years. Space exploration has become one of the global common goals, and to ensure the survival and development of human beings in the extraterrestrial extreme environment has been becoming the basic ability and technology of manned space exploration. For the purpose of fulfilling the goal of extraterrestrial survival, researchers in Nanjing University and the China Academy of Space Technology proposed extraterrestrial artificial photosynthesis (EAP) technology. By simulating the natural photosynthesis of green plants on the Earth, EAP converts CO2/H2O into fuel and O2 in an in-situ, accelerated and controllable manner by using waste CO2 in the confined space of spacecraft, or abundant CO2 resources in extraterrestrial celestial environments, e.g. Mars. Thus, the material loading of manned spacecraft can be greatly reduced to support affordable and sustainable deep space exploration. In this paper, EAP technology is compared with existing methods of converting CO2/H2O into fuel and O2 in the aerospace field, especially the Sabatier method and Bosch reduction method. The research progress of possible EAP materials for in-situ utilization of extraterrestrial resources are also discussed in depth. Finally, this review lists the challenges that the EAP process may encounter, which need to be focused on for future implementation and application. We expect to deepen the understanding of artificial photosynthetic materials and technologies, and aim to strongly support the development of manned spaceflight.
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Affiliation(s)
- Liuqing Yang
- Eco-Materials and Renewable Energy Research Center (ERERC), Jiangsu Key Laboratory for Nano Technology, National Laboratory of Solid State Microstructures, School of Physics, Nanjing University, Nanjing 210093, China
| | - Ce Zhang
- Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology, Beijing 100094, China
| | - Xiwen Yu
- Eco-Materials and Renewable Energy Research Center (ERERC), Jiangsu Key Laboratory for Nano Technology, National Laboratory of Solid State Microstructures, School of Physics, Nanjing University, Nanjing 210093, China
- Collaborative Innovation Center of Advanced Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China
| | - Yingfang Yao
- Eco-Materials and Renewable Energy Research Center (ERERC), Jiangsu Key Laboratory for Nano Technology, National Laboratory of Solid State Microstructures, School of Physics, Nanjing University, Nanjing 210093, China
- Collaborative Innovation Center of Advanced Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China
- KunshanInnovation Institute of Nanjing University, Suzhou 215347, China
- School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen 518172, China
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Zhaosheng Li
- Eco-Materials and Renewable Energy Research Center (ERERC), Jiangsu Key Laboratory for Nano Technology, National Laboratory of Solid State Microstructures, School of Physics, Nanjing University, Nanjing 210093, China
- Collaborative Innovation Center of Advanced Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China
| | - Congping Wu
- Eco-Materials and Renewable Energy Research Center (ERERC), Jiangsu Key Laboratory for Nano Technology, National Laboratory of Solid State Microstructures, School of Physics, Nanjing University, Nanjing 210093, China
- KunshanInnovation Institute of Nanjing University, Suzhou 215347, China
| | - Wei Yao
- Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology, Beijing 100094, China
| | - Zhigang Zou
- Eco-Materials and Renewable Energy Research Center (ERERC), Jiangsu Key Laboratory for Nano Technology, National Laboratory of Solid State Microstructures, School of Physics, Nanjing University, Nanjing 210093, China
- Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology, Beijing 100094, China
- Collaborative Innovation Center of Advanced Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China
- School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen 518172, China
- Macau Institute of Systems Engineering, Macau University of Science and Technology, Macau 999078, China
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29
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Zhang W, Chen P, Liu J, Huang N, Feng C, Wu D, Bai Y. Effects of Different Delocalized π-Conjugated Systems Towards the TiO 2-Based Hybrid Photocatalysts. Front Chem 2021; 9:700380. [PMID: 34386479 PMCID: PMC8353090 DOI: 10.3389/fchem.2021.700380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 06/01/2021] [Indexed: 11/13/2022] Open
Abstract
Modulating the structure of a photocatalyst at the molecular level can improve the photocatalytic efficiency and provides a guide for the synthesis of highly qualified photocatalysts. In this study, TiO2 was modified by various organic compounds to form different TiO2-based hybrid photocatalysts. 1,10-Phenanthroline (Phen) is an organic material with delocalized π-conjugated systems. It was used to modify TiO2 to form the hybrid photocatalyst Phen/TiO2. Furthermore, 1,10-phenanthrolin-5-amine (Phen-NH2) and 1,10-phenanthroline-5-nitro (Phen-NO2) were also used to modify TiO2 to form NH2-Phen/TiO2 and NO2-Phen/TiO2, respectively. The samples of TiO2, Phen/TiO2, NO2-Phen/TiO2, and NH2-Phen/TiO2 were carefully characterized, and their photocatalytic performance was compared. The results indicated that the photocatalytic efficiency followed the order of NH2-Phen/TiO2 > NO2-Phen/TiO2 > Phen/TiO2 > TiO2. It could be found that modifying TiO2 with different organic compounds containing delocalized π-conjugated systems could enhance the photocatalytic ability; furthermore, the level of this enhancement could be modulated by different delocalized π-conjugated systems.
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Affiliation(s)
- Weibo Zhang
- Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, School of Resources Environmental and Chemical Engineering, Nanchang University, Nanchang, China
| | - Pinghua Chen
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang, China
- College of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang, China
| | - Jun Liu
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang, China
- College of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang, China
| | - NanNan Huang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China
| | - Chenglian Feng
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China
| | - Daishe Wu
- Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, School of Resources Environmental and Chemical Engineering, Nanchang University, Nanchang, China
| | - Yingchen Bai
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China
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30
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Lu H, Tournet J, Dastafkan K, Liu Y, Ng YH, Karuturi SK, Zhao C, Yin Z. Noble-Metal-Free Multicomponent Nanointegration for Sustainable Energy Conversion. Chem Rev 2021; 121:10271-10366. [PMID: 34228446 DOI: 10.1021/acs.chemrev.0c01328] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Global energy and environmental crises are among the most pressing challenges facing humankind. To overcome these challenges, recent years have seen an upsurge of interest in the development and production of renewable chemical fuels as alternatives to the nonrenewable and high-polluting fossil fuels. Photocatalysis, photoelectrocatalysis, and electrocatalysis provide promising avenues for sustainable energy conversion. Single- and dual-component catalytic systems based on nanomaterials have been intensively studied for decades, but their intrinsic weaknesses hamper their practical applications. Multicomponent nanomaterial-based systems, consisting of three or more components with at least one component in the nanoscale, have recently emerged. The multiple components are integrated together to create synergistic effects and hence overcome the limitation for outperformance. Such higher-efficiency systems based on nanomaterials will potentially bring an additional benefit in balance-of-system costs if they exclude the use of noble metals, considering the expense and sustainability. It is therefore timely to review the research in this field, providing guidance in the development of noble-metal-free multicomponent nanointegration for sustainable energy conversion. In this work, we first recall the fundamentals of catalysis by nanomaterials, multicomponent nanointegration, and reactor configuration for water splitting, CO2 reduction, and N2 reduction. We then systematically review and discuss recent advances in multicomponent-based photocatalytic, photoelectrochemical, and electrochemical systems based on nanomaterials. On the basis of these systems, we further laterally evaluate different multicomponent integration strategies and highlight their impacts on catalytic activity, performance stability, and product selectivity. Finally, we provide conclusions and future prospects for multicomponent nanointegration. This work offers comprehensive insights into the development of cost-competitive multicomponent nanomaterial-based systems for sustainable energy-conversion technologies and assists researchers working toward addressing the global challenges in energy and the environment.
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Affiliation(s)
- Haijiao Lu
- Research School of Chemistry, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Julie Tournet
- Department of Electronic Materials Engineering, Research School of Physics, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Kamran Dastafkan
- School of Chemistry, The University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Yun Liu
- Research School of Chemistry, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Yun Hau Ng
- School of Energy and Environment, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong
| | - Siva Krishna Karuturi
- Department of Electronic Materials Engineering, Research School of Physics, The Australian National University, Canberra, Australian Capital Territory 2601, Australia.,Research School of Electrical, Energy and Materials Engineering, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Chuan Zhao
- School of Chemistry, The University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Zongyou Yin
- Research School of Chemistry, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
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31
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Li YL, Wang XJ, Hao YJ, Zhao J, Liu Y, Mu HY, Li FT. Rational design of stratified material with spatially separated catalytic sites as an efficient overall water-splitting photocatalyst. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(20)63706-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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32
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Li X, Wang W, Dong F, Zhang Z, Han L, Luo X, Huang J, Feng Z, Chen Z, Jia G, Zhang T. Recent Advances in Noncontact External-Field-Assisted Photocatalysis: From Fundamentals to Applications. ACS Catal 2021. [DOI: 10.1021/acscatal.0c05354] [Citation(s) in RCA: 91] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Xibao Li
- School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Weiwei Wang
- School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Fan Dong
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Zhiqiang Zhang
- School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan 114051, China
| | - Lu Han
- School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan 114051, China
| | - Xudong Luo
- School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan 114051, China
| | - Juntong Huang
- School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Zhijun Feng
- School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Zhi Chen
- School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Guohua Jia
- Curtin Institute of Functional Molecules and Interfaces, School of Molecular and Life Sciences, Curtin University, Bentley, WA 6102, Australia
| | - Tierui Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
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33
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Zhang M, Zhao S, Zhao Z, Li S, Wang F. Piezocatalytic Effect Induced Hydrogen Production from Water over Non-noble Metal Ni Deposited Ultralong GaN Nanowires. ACS APPLIED MATERIALS & INTERFACES 2021; 13:10916-10924. [PMID: 33635070 DOI: 10.1021/acsami.0c21976] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Piezoelectric material-based catalysis that relies on an external stress-induced piezopotential has been demonstrated to be an effective strategy toward various chemical reactions. In this work, non-noble metal Ni-decorated ultralong monocrystal GaN nanowires (NWs) were prepared through a chemical vapor deposition (CVD) technique, followed by a photodeposition method. The piezocatalytic activity of the GaN NWs was enhanced by ∼9 times after depositing the Ni cocatalyst, generating hydrogen gas of ∼88.3 μmol·g-1·h-1 under ultrasonic vibration (110 W and 40 kHz), which is comparable to that of Pt-loaded GaN NWs. Moreover, Ni/GaN NWs with smaller diameters (∼100 nm) demonstrated superior piezocatalytic efficiency, which can be attributed to the large piezoelectric potential evidenced by both finite-element analysis and piezoresponse force microscopy measurements. These results demonstrate the promising application potential of non-noble metal loaded GaN nanostructures in hydrogen generation driven by weak mechanical energy from the surrounding environment.
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Affiliation(s)
- Mingxiang Zhang
- School of Microelectronics, Southern University of Science and Technology, Shenzhen 518055, China
| | - Shiyin Zhao
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, Southern University of Science and Technology, Shenzhen 518055, China
| | - Zhicheng Zhao
- Foshan (Southern China) Institute for New Materials, Foshan 528200, Guangdong, China
| | - Shun Li
- Foshan (Southern China) Institute for New Materials, Foshan 528200, Guangdong, China
- Institute of Quantum and Sustainable Technology (IQST), School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Fei Wang
- School of Microelectronics, Southern University of Science and Technology, Shenzhen 518055, China
- GaN Device Engineering Technology Research Center of Guangdong, Southern University of Science and Technology, Shenzhen 518055, China
- Engineering Research Center of Integrated Circuits for Next-Generation Communications, Ministry of Education, Southern University of Science and Technology, Shenzhen 518055, China
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34
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Wu Y, Liu X, Zhang H, Li J, Zhou M, Li L, Wang Y. Atomic Sandwiched p‐n Homojunctions. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202012734] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yu Wu
- The School of Chemistry and Chemical Engineering State Key Laboratory of Power Transmission Equipment &, System Security and New Technology Chongqing University 174 Shazheng Street, Shapingba District Chongqing City 400044 P. R. China
| | - XiaoQing Liu
- The School of Optoelectronic Engineering Key Laboratory of Optoelectronic Technology and System of Ministry of Education Chongqing University Chongqing 400044 P. R. China
| | - Huijuan Zhang
- The School of Chemistry and Chemical Engineering State Key Laboratory of Power Transmission Equipment &, System Security and New Technology Chongqing University 174 Shazheng Street, Shapingba District Chongqing City 400044 P. R. China
| | - Jian Li
- The School of Electrical Engineering Chongqing University 174 Shazheng Street, Shapingba District Chongqing City 400044 P. R. China
| | - Miao Zhou
- The School of Optoelectronic Engineering Key Laboratory of Optoelectronic Technology and System of Ministry of Education Chongqing University Chongqing 400044 P. R. China
| | - Liang Li
- The School of Physical Science and Technology Center for Energy Conversion Materials & Physics Jiangsu Key Laboratory of Thin Films Soochow University Suzhou 215006 P. R. China
| | - Yu Wang
- The School of Chemistry and Chemical Engineering State Key Laboratory of Power Transmission Equipment &, System Security and New Technology Chongqing University 174 Shazheng Street, Shapingba District Chongqing City 400044 P. R. China
- The School of Electrical Engineering Chongqing University 174 Shazheng Street, Shapingba District Chongqing City 400044 P. R. China
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35
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Wu Y, Liu X, Zhang H, Li J, Zhou M, Li L, Wang Y. Atomic Sandwiched p-n Homojunctions. Angew Chem Int Ed Engl 2021; 60:3487-3492. [PMID: 33128336 DOI: 10.1002/anie.202012734] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 10/20/2020] [Indexed: 12/28/2022]
Abstract
Semiconductor p-n junctions have been explored and applied in photoelectrochemical (PEC) water splitting, but serious carrier recombination and sluggish oxygen evolution reaction (OER) dynamics have demanded further progress in p-n junction photoelectrode design. Here, via a controllable NH3 treatment, we construct sandwiched p-n homojunctions in three-unit-cells n-type SnS2 (n-SnS2 ) nanosheet arrays using nitrogen (N) as acceptor dopants. The optimal N-doped n-SnS2 (pnp-SnS2 ) with such unique structure achieves a record photocurrent density of 3.28 mA cm-2 , which is 21 times as high as that of n-SnS2 and the highest value among all the SnS2 photoanodes reported so far. Moreover, the stoichiometric O2 and H2 evolution from water was achieved with Faradaic efficiencies close to 100 %. The superior performance could be attributed to the facilitated electron-hole separation/transfer, accelerated surface OER kinetics, prolonged carrier lifetime, and improved structural stability.
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Affiliation(s)
- Yu Wu
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment &, System Security and New Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City, 400044, P. R. China
| | - XiaoQing Liu
- The School of Optoelectronic Engineering, Key Laboratory of Optoelectronic Technology and System of Ministry of Education, Chongqing University, Chongqing, 400044, P. R. China
| | - Huijuan Zhang
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment &, System Security and New Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City, 400044, P. R. China
| | - Jian Li
- The School of Electrical Engineering, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City, 400044, P. R. China
| | - Miao Zhou
- The School of Optoelectronic Engineering, Key Laboratory of Optoelectronic Technology and System of Ministry of Education, Chongqing University, Chongqing, 400044, P. R. China
| | - Liang Li
- The School of Physical Science and Technology, Center for Energy Conversion Materials & Physics, Jiangsu Key Laboratory of Thin Films, Soochow University, Suzhou, 215006, P. R. China
| | - Yu Wang
- The School of Chemistry and Chemical Engineering, State Key Laboratory of Power Transmission Equipment &, System Security and New Technology, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City, 400044, P. R. China.,The School of Electrical Engineering, Chongqing University, 174 Shazheng Street, Shapingba District, Chongqing City, 400044, P. R. China
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36
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Li Y, Wang Y, Dong CL, Huang YC, Chen J, Zhang Z, Meng F, Zhang Q, Huangfu Y, Zhao D, Gu L, Shen S. Single-atom nickel terminating sp 2 and sp 3 nitride in polymeric carbon nitride for visible-light photocatalytic overall water splitting. Chem Sci 2021; 12:3633-3643. [PMID: 34163637 PMCID: PMC8179473 DOI: 10.1039/d0sc07093a] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Polymeric carbon nitride (PCN) has been widely used as a metal-free photocatalyst for solar hydrogen generation from water. However, rapid charge carrier recombination and sluggish water catalysis kinetics have greatly limited its photocatalytic performance for overall water splitting. Herein, a single-atom Ni terminating agent was introduced to coordinate with the heptazine units of PCN to create new hybrid orbitals. Both theoretical calculation and experimental evidence revealed that the new hybrid orbitals synergistically broadened visible light absorption via a metal-to-ligand charge transfer (MLCT) process, and accelerated the separation and transfer of photoexcited electrons and holes. The obtained single-atom Ni terminated PCN (PCNNi), without an additional cocatalyst loading, realized efficient photocatalytic overall water splitting into easily-separated gas-product H2 and liquid-product H2O2 under visible light, with evolution rates reaching 26.6 and 24.0 μmol g−1 h−1, respectively. It was indicated that single-atom Ni and the neighboring C atom served as water oxidation and reduction active sites, respectively, for overall water splitting via a two-electron reaction pathway. Single-atom Ni terminating agent is introduced to coordinate with sp2 or sp3 N atoms in the heptazine units of PCN, realizing visible-light photocatalytic overall water splitting to H2O2 and H2 without additional cocatalyst.![]()
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Affiliation(s)
- Yanrui Li
- International Research Center for Renewable Energy, State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University Xi'an 710049 China
| | - Yiqing Wang
- International Research Center for Renewable Energy, State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University Xi'an 710049 China
| | - Chung-Li Dong
- Department of Physics, Tamkang University 151 Yingzhuan Rd New Taipei City 25137 Taiwan
| | - Yu-Cheng Huang
- Department of Physics, Tamkang University 151 Yingzhuan Rd New Taipei City 25137 Taiwan
| | - Jie Chen
- Division of Physical Science and Engineering, King Abdullah University of Science and Technology Thuwal 23955-6900 Saudi Arabia
| | - Zhen Zhang
- International Research Center for Renewable Energy, State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University Xi'an 710049 China
| | - Fanqi Meng
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences Beijing 100190 China
| | - Qinghua Zhang
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences Beijing 100190 China
| | - Yiliang Huangfu
- International Research Center for Renewable Energy, State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University Xi'an 710049 China
| | - Daming Zhao
- International Research Center for Renewable Energy, State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University Xi'an 710049 China
| | - Lin Gu
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences Beijing 100190 China
| | - Shaohua Shen
- International Research Center for Renewable Energy, State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University Xi'an 710049 China
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37
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Sun S, Yang X, Yang M, Cui J, Yang Q, Liang S. Surface engraving engineering of polyhedral photocatalysts. Catal Sci Technol 2021. [DOI: 10.1039/d1cy01153g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Surface engraving engineering of polyhedral photocatalysts is overviewed based on synthetic strategies and engraved surface-related photocatalytic mechanisms. Some challenges and perspectives are also proposed.
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Affiliation(s)
- Shaodong Sun
- Engineering Research Center of Conducting Materials and Composite Technology, Ministry of Education; Shaanxi Engineering Research Center of Metal-Based Heterogeneous Materials and Advanced Manufacturing Technology; Shaanxi Province Key Laboratory for Electrical Materials and Infiltration Technology; School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, Shaanxi, People's Republic of China
| | - Xiaoli Yang
- Engineering Research Center of Conducting Materials and Composite Technology, Ministry of Education; Shaanxi Engineering Research Center of Metal-Based Heterogeneous Materials and Advanced Manufacturing Technology; Shaanxi Province Key Laboratory for Electrical Materials and Infiltration Technology; School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, Shaanxi, People's Republic of China
| | - Man Yang
- Engineering Research Center of Conducting Materials and Composite Technology, Ministry of Education; Shaanxi Engineering Research Center of Metal-Based Heterogeneous Materials and Advanced Manufacturing Technology; Shaanxi Province Key Laboratory for Electrical Materials and Infiltration Technology; School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, Shaanxi, People's Republic of China
| | - Jie Cui
- Engineering Research Center of Conducting Materials and Composite Technology, Ministry of Education; Shaanxi Engineering Research Center of Metal-Based Heterogeneous Materials and Advanced Manufacturing Technology; Shaanxi Province Key Laboratory for Electrical Materials and Infiltration Technology; School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, Shaanxi, People's Republic of China
| | - Qing Yang
- Engineering Research Center of Conducting Materials and Composite Technology, Ministry of Education; Shaanxi Engineering Research Center of Metal-Based Heterogeneous Materials and Advanced Manufacturing Technology; Shaanxi Province Key Laboratory for Electrical Materials and Infiltration Technology; School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, Shaanxi, People's Republic of China
| | - Shuhua Liang
- Engineering Research Center of Conducting Materials and Composite Technology, Ministry of Education; Shaanxi Engineering Research Center of Metal-Based Heterogeneous Materials and Advanced Manufacturing Technology; Shaanxi Province Key Laboratory for Electrical Materials and Infiltration Technology; School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, Shaanxi, People's Republic of China
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38
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Han S, Noh S, Yu YT, Lee CR, Lee SK, Kim JS. Highly Efficient Photoelectrochemical Water Splitting Using GaN-Nanowire Photoanode with Tungsten Sulfides. ACS APPLIED MATERIALS & INTERFACES 2020; 12:58028-58037. [PMID: 33337852 DOI: 10.1021/acsami.0c17811] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In the present study, we have achieved high-performance photoelectrochemical water splitting (PEC-WS) using GaN nanowires (NWs) coated with tungsten sulfide (WxS1-x) (GaN-NW-WxS1-x) as a photoanode. The measured current density and applied-bias photon-to-current efficiency were 20.38 mA/cm2 and 13.76%, respectively. These values were much higher than those reported previously for photoanodes with any kind of III-nitride nanostructure. The amount of hydrogen gas formed was 1.01 mmol/cm2 from 7 h PEC-WS, which was also much higher than the previously reported values. The drastic improvement in the PEC-WS performance using the GaN-NW-WxS1-x photoanode was attributed to an increase in the number of photogenerated carriers due to the highly crystalline GaN NWs, and acceleration of separation of photogenerated carriers and consequent suppression of charge recombination because of nitrogen-terminated surfaces of NWs, sulfur vacancies in WxS1-x, and type-II band alignment between NW and WxS1-x. The degree of impedance matching, evaluated from Nyquist plots, was considered to analyze charge transfer characteristics at the interface between the GaN-NW-WxS1-x photoanode and 0.5-M H2SO4 electrolyte. Considering the material system and scheme for the PEC-WS, our approach provides an efficient way to improve hydrogen evolution reaction.
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Affiliation(s)
- Sangmoon Han
- Department of Electronic and Information Materials Engineering, Division of Advanced Materials Engineering, and Research Center of Advanced Materials Development, Jeonbuk National University, Jeonju 54896, South Korea
| | - Siyun Noh
- Department of Electronic and Information Materials Engineering, Division of Advanced Materials Engineering, and Research Center of Advanced Materials Development, Jeonbuk National University, Jeonju 54896, South Korea
| | - Yeon-Tae Yu
- Department of Electronic and Information Materials Engineering, Division of Advanced Materials Engineering, and Research Center of Advanced Materials Development, Jeonbuk National University, Jeonju 54896, South Korea
| | - Cheul-Ro Lee
- Department of Electronic and Information Materials Engineering, Division of Advanced Materials Engineering, and Research Center of Advanced Materials Development, Jeonbuk National University, Jeonju 54896, South Korea
| | - Seoung-Ki Lee
- Applied Quantum Composites Research Center, Korea Institute of Science and Technology, Wanju 55324, South Korea
| | - Jin Soo Kim
- Department of Electronic and Information Materials Engineering, Division of Advanced Materials Engineering, and Research Center of Advanced Materials Development, Jeonbuk National University, Jeonju 54896, South Korea
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39
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Amorphous CoO coupled carbon dots as a spongy porous bifunctional catalyst for efficient photocatalytic water oxidation and CO2 reduction. CHINESE JOURNAL OF CATALYSIS 2020. [DOI: 10.1016/s1872-2067(20)63646-4] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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40
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Zhang J, Bai T, Huang H, Yu MH, Fan X, Chang Z, Bu XH. Metal-Organic-Framework-Based Photocatalysts Optimized by Spatially Separated Cocatalysts for Overall Water Splitting. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2004747. [PMID: 33150624 DOI: 10.1002/adma.202004747] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 09/27/2020] [Indexed: 05/27/2023]
Abstract
Efficient charge separation and utilization are critical factors in photocatalysis. Herein, it is demonstrated that the complete spatial separation of oxidation and reduction cocatalysts enhances the efficacy of charge separation and surface reaction. Specifically, a Pt@NH2 -UiO-66@MnOx (PUM) heterostructured photocatalyst with Pt and MnOx as cocatalysts is designed for the optimization of the NH2 -UiO-66 photocatalyst. Compared with the pristine NH2 -UiO-66, Pt@NH2 -UiO-66 (PU), and NH2 -UiO-66@MnOx (UM) samples, the PUM sample exhibits the highest hydrogen production activity. As cocatalysts, Pt favors trapping of electrons, while MnOx tends to collect holes. Upon generation from NH2 -UiO-66, electrons and holes flow inward and outward of the metal-organic framework photocatalyst, accumulating on the corresponding cocatalysts, and then take part in the redox reactions. The PUM photocatalyst greatly prolongs the lifetime of the photogenerated electrons and holes, which favors the electron-hole separation. Furthermore, the PUM sample facilitates overall water splitting in the absence of sacrificial agents, thereby demonstrating its potential as a modification method of MOF-type semiconductors for the overall water-splitting reaction.
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Affiliation(s)
- Jijie Zhang
- School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Tianyu Bai
- School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Hui Huang
- School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Mei-Hui Yu
- School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Xiaobin Fan
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Collaborative Innovation Center of Chemical Science and Engineering, Tianjin University, Tianjin, 300072, P. R. China
| | - Ze Chang
- School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Xian-He Bu
- School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
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41
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Yin WJ, Wen B, Ge Q, Li XB, Teobaldi G, Liu LM. Activity and selectivity of CO 2 photoreduction on catalytic materials. Dalton Trans 2020; 49:12918-12928. [PMID: 32990705 DOI: 10.1039/d0dt02651d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photoreduction of molecular CO2 by solar light into added-value fuels or chemical feedstocks is an appealing strategy to simultaneously overcome environmental problems and energy challenges. However, multiple reaction steps and a large number of possible products have significantly hindered the development of highly selective catalysts capable of delivering CO2 conversion with high efficiency. Recently, several strategies associated with different conversion mechanisms have been proposed to improve the activity and product selectivity of CO2 photocatalysts. These are based on development of low dimensional nanomaterials, defect or facet engineering, design of tailored heterostructures, and carrier conductivity enhancement. In spite of impressive progress in the field, real-world applications are yet to be delivered. To sustain further research in this promising field, here we provide a short frontier of recent advances in activity and selectivity of CO2 reduction photocatalysts, together with a critical discussion of further avenues of research in this field.
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Affiliation(s)
- Wen-Jin Yin
- Laboratory of Quantum Devices and Micro-Nano Dynamics, School of Physics and Electronic Science, Hunan University of Science and Technology, Xiangtan, Hunan 411201, China
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Deng L, Sun W, Shi Z, Qian W, Su Q, Dong L, He H, Li Z, Cheng W. Highly synergistic effect of ionic liquids and Zn-based catalysts for synthesis of cyclic carbonates from urea and diols. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113883] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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43
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Lin L, Hisatomi T, Chen S, Takata T, Domen K. Visible-Light-Driven Photocatalytic Water Splitting: Recent Progress and Challenges. TRENDS IN CHEMISTRY 2020. [DOI: 10.1016/j.trechm.2020.06.006] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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44
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Chu S, Ou P, Rashid RT, Ghamari P, Wang R, Tran HN, Zhao S, Zhang H, Song J, Mi Z. Decoupling Strategy for Enhanced Syngas Generation from Photoelectrochemical CO 2 Reduction. iScience 2020; 23:101390. [PMID: 32745990 PMCID: PMC7398975 DOI: 10.1016/j.isci.2020.101390] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 07/13/2020] [Accepted: 07/15/2020] [Indexed: 11/25/2022] Open
Abstract
Photoelectrochemical CO2 reduction into syngas (a mixture of CO and H2) provides a promising route to mitigate greenhouse gas emissions and store intermittent solar energy into value-added chemicals. Design of photoelectrode with high energy conversion efficiency and controllable syngas composition is of central importance but remains challenging. Herein, we report a decoupling strategy using dual cocatalysts to tackle the challenge based on joint computational and experimental investigations. Density functional theory calculations indicate the optimization of syngas generation using a combination of fundamentally distinctive catalytic sites. Experimentally, by integrating spatially separated dual cocatalysts of a CO-generating catalyst and a H2-generating catalyst with GaN nanowires on planar Si photocathode, we report a record high applied bias photon-to-current efficiency of 1.88% and controllable syngas products with tunable CO/H2 ratios (0–10) under one-sun illumination. Moreover, unassisted solar CO2 reduction with a solar-to-syngas efficiency of 0.63% is demonstrated in a tandem photoelectrochemical cell. Combined experimental and theoretical investigations were performed A record high applied bias photon-to-current efficiency of 1.88% was achieved The CO/H2 ratio in the syngas product can be controllably tuned in a wide range Unassisted syngas generation was proved in a tandem photoelectrochemical cell
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Affiliation(s)
- Sheng Chu
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, China; Department of Electrical and Computer Engineering, McGill University, 3480 University Street, Montreal, QC H3A 0E9, Canada.
| | - Pengfei Ou
- Department of Mining and Materials Engineering, McGill University, 3610 University Street, Montreal, QC H3A 0C5, Canada
| | - Roksana Tonny Rashid
- Department of Electrical and Computer Engineering, McGill University, 3480 University Street, Montreal, QC H3A 0E9, Canada
| | - Pegah Ghamari
- Department of Electrical and Computer Engineering, McGill University, 3480 University Street, Montreal, QC H3A 0E9, Canada
| | - Renjie Wang
- Department of Electrical and Computer Engineering, McGill University, 3480 University Street, Montreal, QC H3A 0E9, Canada
| | - Hong Nhung Tran
- Department of Electrical and Computer Engineering, McGill University, 3480 University Street, Montreal, QC H3A 0E9, Canada
| | - Songrui Zhao
- Department of Electrical and Computer Engineering, McGill University, 3480 University Street, Montreal, QC H3A 0E9, Canada
| | - Huiyan Zhang
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, China
| | - Jun Song
- Department of Mining and Materials Engineering, McGill University, 3610 University Street, Montreal, QC H3A 0C5, Canada.
| | - Zetian Mi
- Department of Electrical and Computer Engineering, McGill University, 3480 University Street, Montreal, QC H3A 0E9, Canada; Department of Materials Science and Engineering, University of Michigan, Ann Arbor, 1301 Beal Avenue, Ann Arbor, MI 48109, USA.
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45
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Wang A, Wang W, Chen J, Mao R, Pang Y, Li Y, Chen W, Chen D, Hao D, Ni BJ, Saunders M, Jia G. Dominant Polar Surfaces of Colloidal II-VI Wurtzite Semiconductor Nanocrystals Enabled by Cation Exchange. J Phys Chem Lett 2020; 11:4990-4997. [PMID: 32498513 DOI: 10.1021/acs.jpclett.0c01372] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Polar surfaces of ionic crystals are of growing technological importance, with implications for the efficiency of photocatalysts, gas sensors, and electronic devices. The creation of ionic nanocrystals with high percentages of polar surfaces is an option for improving their efficiency in the aforementioned applications but is hard to accomplish because they are less thermodynamically stable and prone to vanish during the growth process. Herein, we develop a strategy that is capable of producing polar surface-dominated II-VI semiconductor nanocrystals, including ZnS and CdS, from copper sulfide hexagonal nanoplates through cation exchange reactions. The obtained wurtzite ZnS hexagonal nanoplates have dominant {002} polar surfaces, occupying up to 97.8% of all surfaces. Density functional theory calculations reveal the polar surfaces can be stabilized by a charge transfer of 0.25 eV/formula from the anion-terminated surface to the cation-terminated surface, which also explains the presence of polar surfaces in the initial Cu1.75S hexagonal nanoplates with cation deficiency prior to cation exchange reactions. Experimental results showed that the HER activity could be boosted by the surface polarization of polar surface-dominated ZnS hexagonal nanoplates. We anticipate this strategy is general and could be used with other systems to prepare nanocrystals with dominant polar surfaces. Furthermore, the availability of colloidal semiconductor nanocrystals with dominant polar surfaces produced through this strategy opens a new avenue for improving their efficiency in catalysis, photocatalysis, gas sensing, and other applications.
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Affiliation(s)
- Aixiang Wang
- School of Chemistry and Chemical Engineering, Linyi University, Linyi 276005, P. R. China
| | - Wenjie Wang
- School of Chemistry and Chemical Engineering, Linyi University, Linyi 276005, P. R. China
| | - Jiayi Chen
- Curtin Institute of Functional Molecules and Interfaces, School of Molecular and Life Sciences, Curtin University, Bentley, WA 6102, Australia
| | - Rundong Mao
- Curtin Institute of Functional Molecules and Interfaces, School of Molecular and Life Sciences, Curtin University, Bentley, WA 6102, Australia
| | - Yingping Pang
- Curtin Institute of Functional Molecules and Interfaces, School of Molecular and Life Sciences, Curtin University, Bentley, WA 6102, Australia
| | - Yunguo Li
- Department of Earth Sciences, Faculty of Mathematical and Physical Sciences, University College London, Gower Street, London WC1E 6BT, U.K
| | - Wei Chen
- Curtin Institute of Functional Molecules and Interfaces, School of Molecular and Life Sciences, Curtin University, Bentley, WA 6102, Australia
| | - Dechao Chen
- Curtin Institute of Functional Molecules and Interfaces, School of Molecular and Life Sciences, Curtin University, Bentley, WA 6102, Australia
| | - Derek Hao
- Centre for Technology in Water and Wastewater (CTWW), School of Civil and Environmental Engineering, University of Technology Sydney (UTS), Ultimo, NSW 2007, Australia
| | - Bing-Jie Ni
- Centre for Technology in Water and Wastewater (CTWW), School of Civil and Environmental Engineering, University of Technology Sydney (UTS), Ultimo, NSW 2007, Australia
| | - Martin Saunders
- Centre for Microscopy, Characterization and Analysis (CMCA), The University of Western Australia, Clawley, WA 6009, Australia
| | - Guohua Jia
- Curtin Institute of Functional Molecules and Interfaces, School of Molecular and Life Sciences, Curtin University, Bentley, WA 6102, Australia
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