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学者姓名：刘平
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Abstract ：
As a straightforward way to fix solar energy, photo/photothermal catalysis with semiconductor provides a promising way to settle the energy shortage and environmental crisis in many fields, especially in clean energy conversion. Topologically porous heterostructures (TPHs), featured with well-defined pores and mainly composed by the derivatives of some precursors with specific morphology, are a major part of hierarchical materials in photo/photothermal catalysis and provide a versatile platform to construct efficient photocatalysts for their enhanced light absorption, accelerated charges transfer, improved stability, and promoted mass transportation. Therefore, a comprehensive and timely review on the advantages and recent applications of the TPHs is of great importance to forecast the potential applications and research trend in the future. This review initially demonstrates the advantages of TPHs in photo/photothermal catalysis. Then the universal classifications and design strategies of TPHs are emphasized. Besides, the applications and mechanisms of photo/photothermal catalysis in hydrogen evolution from water splitting and COx hydrogenation over TPHs are carefully reviewed and highlighted. Finally, the challenges and perspectives of TPHs in photo/photothermal catalysis are also critically discussed.
Keyword ：
COx hydrogenation COx hydrogenation H-2 production H-2 production photo photo photothermal catalysis photothermal catalysis topologically porous heterostructures topologically porous heterostructures
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| GB/T 7714 | Gao, Fan , Wang, Xinqiang , Cui, Wen-Gang et al. Topologically Porous Heterostructures for Photo/Photothermal Catalysis of Clean Energy Conversion [J]. | SMALL METHODS , 2023 , 7 (4) . |
| MLA | Gao, Fan et al. "Topologically Porous Heterostructures for Photo/Photothermal Catalysis of Clean Energy Conversion" . | SMALL METHODS 7 . 4 (2023) . |
| APA | Gao, Fan , Wang, Xinqiang , Cui, Wen-Gang , Liu, Yanxia , Yang, Yaxiong , Sun, Wenping et al. Topologically Porous Heterostructures for Photo/Photothermal Catalysis of Clean Energy Conversion . | SMALL METHODS , 2023 , 7 (4) . |
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Charge recombination severely restricts the photocatalytic efficiencies of materials. Loading cocatalysts on the surface of host photocatalysts is a promising strategy for charge separation, which, however, suffers from the large Schottky barrier at the cocatalyst/host interface. Herein, a series of Pt/PbTiO3 compounds were constructed as a proof-of-concept utilizing the piezoelectric field of PbTiO3 under acoustic vibrations to modulate the height of the interfacial Schottky barrier. These hybrid systems achieved highly efficient piezo-photocatalytic H-2 evolution under simultaneous ultrasonication and light illumination. The manipulation of the height of the Schottky barrier by the piezoelectric effect was validated by the I-V characteristics collected from conductive AFM. It is proposed that the acoustic-wave-induced piezoelectric field increased the electron flow from PbTiO3 to Pt over the modulated Schottky barrier, which promoted the spatial separation of photo-generated charge carriers and consequently enhanced the H-2 evolution. These findings will extend the fundamental understanding of the synergistic piezo-photocatalysis mechanism and provide a new opportunity toward the rational design of novel materials systems for clean energy conversion.
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| GB/T 7714 | Huang, Xueyan , Fang, Zhi-Bin , Feng, Wenhui et al. Modulating the Schottky barrier of Pt/PbTiO3 for efficient piezo-photocatalytic hydrogen evolution [J]. | DALTON TRANSACTIONS , 2023 , 52 (18) : 6097-6104 . |
| MLA | Huang, Xueyan et al. "Modulating the Schottky barrier of Pt/PbTiO3 for efficient piezo-photocatalytic hydrogen evolution" . | DALTON TRANSACTIONS 52 . 18 (2023) : 6097-6104 . |
| APA | Huang, Xueyan , Fang, Zhi-Bin , Feng, Wenhui , Tian, Qinfen , Li, Zhiqiang , Liu, Ping . Modulating the Schottky barrier of Pt/PbTiO3 for efficient piezo-photocatalytic hydrogen evolution . | DALTON TRANSACTIONS , 2023 , 52 (18) , 6097-6104 . |
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To resolve the pollution flashover problem of insulators, a novel application of nanosized TiO2 film to improve the ceramic insulator performance under contaminated conditions has been successfully developed. Compared with the uncoated insulator, TiO2 -coated insulator exhibits an enhanced self-cleaning performance induced by the photocatalysis and hydrophilicity of TiO2 film in the heavily contaminated surroundings. Moreover, the TiO2 -coated insulator also presents a better electric performance in power-frequency puncture voltage, power-frequency puncture voltage in dielectric oil, wet power-frequency flashover voltage, lightning impulse withstand voltage, and the artificial pollution flashover voltage due to the semi-conducting property of TiO2 film to make the distribution of the electric field more even. The synergy between these two effects helps to promote the performance of TiO2 -coated insulators for anti-pollution flashover. © 2023 WILEY-VCH GmbH.
Keyword ：
Anti-flashover Anti-flashover Electric performance Electric performance Insulator Insulator Self-cleaning Self-cleaning TiO2 film TiO2 film
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| GB/T 7714 | Dai, W. , Liu, P. , Chen, X. et al. Application of Self-Cleaning Ceramic and Glass Insulators for Electricity Transmission [未知]. |
| MLA | Dai, W. et al. "Application of Self-Cleaning Ceramic and Glass Insulators for Electricity Transmission" [未知]. |
| APA | Dai, W. , Liu, P. , Chen, X. , Li, Z. , Zhuang, J. , Wang, X. et al. Application of Self-Cleaning Ceramic and Glass Insulators for Electricity Transmission [未知]. |
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Turning the carrier dynamics in heterojunction photocatalysts is a direct and effective strategy for improving the solar energy conversion efficiency of photocatalysts. Herein, we report a ternary CdS@MoS2-Co3O4 multiheterojunction photocatalyst consisting of the p-n junction of MoS2-Co3O4 and the type-I junction of CdS@MoS2, wherein MoS2 located at the frontier between CdS and Co3O4 acts as an intermediate bridge. The type-I junction allows the directional transfer of photoinduced charge from CdS to MoS2, suppressing the photocorrosion of CdS. Notably, the single-particle photoluminescence technique demonstrates the sequential one-direction hole transfer from MoS2 to Co3O4 aroused by the p-n junction, resulting in a long-lifetime charge separation in the carrier lifetime (54-58 ns). Compared to the bare CdS and type-I CdS@MoS2, the CdS@MoS2-Co3O4 photocatalyst affords a 347-fold and 3.5-fold enhancement of the H-2 evolution rate, a quantum efficiency of 28.6% at 450 nm, and a 20 h of long-term stability. This work provides a new understanding of the rational regulation of the charge-transfer mechanism of type-I systems by constructing multiheterojunction photocatalysts.
Keyword ：
CdS@MoS2 CdS@MoS2 charge-transfer mechanism charge-transfer mechanism H-2 evolution H-2 evolution MoS2-Co3O4 MoS2-Co3O4 multiheterojunction multiheterojunction
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| GB/T 7714 | Zhang, Lulu , He, Jingxuan , Li, Na et al. Ternary CdS@MoS2-Co3O4 Multiheterojunction Photocatalyst for Boosting Photocatalytic H2 Evolution [J]. | ACS APPLIED MATERIALS & INTERFACES , 2023 , 15 (37) : 43790-43798 . |
| MLA | Zhang, Lulu et al. "Ternary CdS@MoS2-Co3O4 Multiheterojunction Photocatalyst for Boosting Photocatalytic H2 Evolution" . | ACS APPLIED MATERIALS & INTERFACES 15 . 37 (2023) : 43790-43798 . |
| APA | Zhang, Lulu , He, Jingxuan , Li, Na , Yuan, Jie , Li, Wenjuan , Liu, Ping et al. Ternary CdS@MoS2-Co3O4 Multiheterojunction Photocatalyst for Boosting Photocatalytic H2 Evolution . | ACS APPLIED MATERIALS & INTERFACES , 2023 , 15 (37) , 43790-43798 . |
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Unique nanofoams consisting of interweaved ultrathin graphene confining Zn-N-C dipoles (ZnNG) are constructed via calcination of Zn-coordinated precursor. Due to the introduction of local polar Zn-N-C configurations, with hypersensitivity for mechanical stress, the piezoelectricity is created on the nonpiezoelectric graphene, and the hierarchical ZnNG exhibits obvious piezocatalytic activity of water splitting for H-2 production even under mild agitation. The corresponding rate of H-2 production is about 14.65 mu mol g(-1) h(-1). It triggers a breakthrough in piezocatalytic H-2 evolution under low-frequency vibration, and takes a significant step forward for piezocatalysis towards practical applications. Furthermore, the presented concept of confining atomic polar configuration for engineering piezoelectricity would open up new horizon for constructing new-type piezoelectrics based on both piezoelectric and nonpiezoelectric materials. (C) 2022 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by ELSEVIER B.V. and Science Press. All rights reserved.
Keyword ：
Low-frequency vibration Low-frequency vibration Piezocatalysis Piezocatalysis Ultrathin graphene confining Zn-N-C dipoles Ultrathin graphene confining Zn-N-C dipoles Water splitting for H-2 production Water splitting for H-2 production
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| GB/T 7714 | Hu, Penghui , Xu, Yan , Lei, Yanhua et al. Piezoelectric nanofoams with the interlaced ultrathin graphene confining Zn-N-C dipoles for efficient piezocatalytic H-2 evolution under low-frequency vibration [J]. | JOURNAL OF ENERGY CHEMISTRY , 2022 , 69 : 115-122 . |
| MLA | Hu, Penghui et al. "Piezoelectric nanofoams with the interlaced ultrathin graphene confining Zn-N-C dipoles for efficient piezocatalytic H-2 evolution under low-frequency vibration" . | JOURNAL OF ENERGY CHEMISTRY 69 (2022) : 115-122 . |
| APA | Hu, Penghui , Xu, Yan , Lei, Yanhua , Yuan, Jie , Lei, Rui , Hu, Rong et al. Piezoelectric nanofoams with the interlaced ultrathin graphene confining Zn-N-C dipoles for efficient piezocatalytic H-2 evolution under low-frequency vibration . | JOURNAL OF ENERGY CHEMISTRY , 2022 , 69 , 115-122 . |
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The piezoelectricity of MoS2 only exists in monolayer and odd-number layers, owing to the inversion symmetry of the even number layers, which limits the efficient utilization and mass synthesis of MoS2. Herein, the structure of MoS2 is adjusted by oxygen doping, which could break the layer-dependent piezoelectricity and induce out-ofplane polarization. This endows O-doped MoS2 the free layer-dependent and enhanced piezoelectricity. Benefiting from the optimized piezoelectricity, higher concentration of carriers, higher Hall mobility and lower resistivity, the O-doped MoS2 exhibits an improved activity of piezocatalytic H2 production from pure water, and the corresponding H2 evolution rate reaches up 47.75 mu mol center dot h- 1 center dot g- 1. Under the same conditions, the hydrogen production rate of MoS2 is only 20.19 mu mol center dot h- 1 center dot g- 1. This work not only provides a new strategy for modulating piezoelectricity of transition mental dichalcogenides, whose bulk materials are non-piezoelectric, but also breaks new ground for developing high-efficiency piezocatalysts.
Keyword ：
Free layer-dependence Free layer-dependence H-2 production H-2 production O-doped MoS2 O-doped MoS2 Piezocatalysis Piezocatalysis
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| GB/T 7714 | Lei, Rui , Gao, Fan , Yuan, Jie et al. Free layer-dependent piezoelectricity of oxygen-doped MoS2 for the enhanced piezocatalytic hydrogen evolution from pure water [J]. | APPLIED SURFACE SCIENCE , 2022 , 576 . |
| MLA | Lei, Rui et al. "Free layer-dependent piezoelectricity of oxygen-doped MoS2 for the enhanced piezocatalytic hydrogen evolution from pure water" . | APPLIED SURFACE SCIENCE 576 (2022) . |
| APA | Lei, Rui , Gao, Fan , Yuan, Jie , Jiang, Cankun , Fu, Xianzhi , Feng, Wenhui et al. Free layer-dependent piezoelectricity of oxygen-doped MoS2 for the enhanced piezocatalytic hydrogen evolution from pure water . | APPLIED SURFACE SCIENCE , 2022 , 576 . |
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The weak driving force and rapid carrier recombination severely restrict the development and utilization of piezocatalysis, but the important reason is the charge screening effect. Herein, a dual electric field driven piezoelectric catalytic system was constructed according to deposition of Au nanoparticles on the different crystal planes of BTO. Owing to the unmatched work function between Au and BTO, a Schottky junction at the interface could be formed, resulting in a depletion region at the BTO surface with a reduced charge density. Thus, a built-in electric field from the surface of BTO to the inside is established due to the unbalanced charge distribution. In the process of piezocatalysis, the built-in electric field could assist the piezoelectric field to separate carriers, which increases the carrier migration path, weakens the shielding effect and reduces the recombination of carrier. Meanwhile, Au could also supply the active site for the electron reduction reaction. Under the cooperation of the piezoelectric field of BTO and Au nanoparticles, Au-BTO achieved an elevated H-2 production rate of 194.67 mu mol h(-1) g(-1), accompanied by high-added H2O2 production. This work provides a new route for designing efficient piezocatalysts.
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| GB/T 7714 | Lei, Rui , Fu, Xianzhi , Chen, Naxin et al. Cocatalyst engineering to weaken the charge screening effect over Au-Bi4Ti3O12 for piezocatalytic pure water splitting [J]. | CATALYSIS SCIENCE & TECHNOLOGY , 2022 , 12 (24) : 7361-7368 . |
| MLA | Lei, Rui et al. "Cocatalyst engineering to weaken the charge screening effect over Au-Bi4Ti3O12 for piezocatalytic pure water splitting" . | CATALYSIS SCIENCE & TECHNOLOGY 12 . 24 (2022) : 7361-7368 . |
| APA | Lei, Rui , Fu, Xianzhi , Chen, Naxin , Chen, Yifeng , Feng, Wenhui , Liu, Ping . Cocatalyst engineering to weaken the charge screening effect over Au-Bi4Ti3O12 for piezocatalytic pure water splitting . | CATALYSIS SCIENCE & TECHNOLOGY , 2022 , 12 (24) , 7361-7368 . |
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Spatial separation of electrons and holes is critical for improving their photocatalytic performance, which is ascribed to the suppressed photoinduced carriers' recombination among facets. In this work, the ZnO-Au-MnOx heterogeneous nanostructure photocatalyst was prepared by photodepositing Au and MnOx on the ZnO polar {0001} and {10 (1) over bar0} crystal facets, respectively. The photocatalytic performance of ZnO-Au-MnOx was higher than ZnO and ZnO-Au for the degradation of rhodamine B dye under UV light irradiation. Due to the potential difference between different crystal planes of zinc oxide, electrons and holes will migrate to different crystal planes of zinc oxide. This will lead to the deposition of Au and MnOx on different crystal facets of zinc oxide. The efficient photoinduced carrier separation of ZnO-Au-MnOx resulted in the high photocatalytic activity, which is well supported by photoelectrochemical and photoluminescence analyses. The intermediated species formed during the reaction were investigated by high performance liquid chromatography. The reaction mechanism was investigated by radical trapping experiments and electron spin resonance analysis. The special structure of selective deposition of redox cocatalysts on the different facets should be promising and intriguing for designing highly efficient photocatalysts.
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| GB/T 7714 | Huang, Mianli , Lian, Jiafeng , Si, Ruiru et al. Spatial Separation of Electrons and Holes among ZnO Polar {0001} and {10(1)over-bar0} Facets for Enhanced Photocatalytic Performance [J]. | ACS OMEGA , 2022 . |
| MLA | Huang, Mianli et al. "Spatial Separation of Electrons and Holes among ZnO Polar {0001} and {10(1)over-bar0} Facets for Enhanced Photocatalytic Performance" . | ACS OMEGA (2022) . |
| APA | Huang, Mianli , Lian, Jiafeng , Si, Ruiru , Wang, Lingling , Pan, Xiaoyang , Liu, Ping . Spatial Separation of Electrons and Holes among ZnO Polar {0001} and {10(1)over-bar0} Facets for Enhanced Photocatalytic Performance . | ACS OMEGA , 2022 . |
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In this work, a novel, earth-abundant, and environmentally benign NaFeSi2O6 catalyst is synthesized by a one-step solvothermal method without the introduction of any surfactants. NaFeSi2O6 is for the first time applied to the heterogeneous photo-Fenton reaction for the degradation of RhB under visible-light irradiation with long-term stability and a wide working pH range. OH plays the most important role in the photo-Fenton process. Besides, O-2(-) and h(+) are also generated and involved in this reaction simultaneously. Combining the experimental results and theoretical calculations, it can be confirmed that NaFeSi2O6 can be regarded as a promising catalyst to improve the efficiency of the heterogeneous photo-Fenton reaction.
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| GB/T 7714 | Zhang, Lulu , Zhang, Hongwen , He, Jingxuan et al. NaFeSi2O6 nanocrystals as a catalyst for heterogeneous photo-Fenton degradation of organic wastewater [J]. | CRYSTENGCOMM , 2022 , 24 (34) : 6087-6092 . |
| MLA | Zhang, Lulu et al. "NaFeSi2O6 nanocrystals as a catalyst for heterogeneous photo-Fenton degradation of organic wastewater" . | CRYSTENGCOMM 24 . 34 (2022) : 6087-6092 . |
| APA | Zhang, Lulu , Zhang, Hongwen , He, Jingxuan , Li, Na , Zhang, Yipin , Sun, Yaxin et al. NaFeSi2O6 nanocrystals as a catalyst for heterogeneous photo-Fenton degradation of organic wastewater . | CRYSTENGCOMM , 2022 , 24 (34) , 6087-6092 . |
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The construction of heterojunction is an effective strategy to manipulate the dynamic behaviors of photo-induced charges. It is essential for wide band gap semiconductor to introduce defects reasonably to mediate electronic properties and charge behaviors. Herein, through an in situ etching growing method and thermal treatment, dual defective ternary photocatalyst ZnS/ZnO-In2O3 with porous layered structure and extensive heterojunction interfaces has been prepared for visible light photocatalysis of water splitting. The suitable position of intermediate energy level endows the ternary photocatalyst with the ability of electrons directed flow between the different components, and the transfer mode follows Z-scheme. The cascaded dual defects on ZnO and ZnS synergistically facilitate the efficient separation of photo-generated charges through the intimate interface, and further enhance visible light photocatalysis performance. This work is expected to enlighten the rational design of dual defects for wide bandgap semiconductor.
Keyword ：
Cascaded defects Cascaded defects Extensive heterojunction Extensive heterojunction Porous layered structure Porous layered structure Ternary photocatalyst Ternary photocatalyst Z-scheme Z-scheme
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| GB/T 7714 | Gao, Fan , Yuan, Jie , Huang, Xueyan et al. Directional transfer of photo-generated charges mediated by cascaded dual defects in ternary photocatalyst ZnS/ZnO-In2O3 with enhanced photocatalytic performance [J]. | CHEMICAL ENGINEERING JOURNAL , 2021 , 416 . |
| MLA | Gao, Fan et al. "Directional transfer of photo-generated charges mediated by cascaded dual defects in ternary photocatalyst ZnS/ZnO-In2O3 with enhanced photocatalytic performance" . | CHEMICAL ENGINEERING JOURNAL 416 (2021) . |
| APA | Gao, Fan , Yuan, Jie , Huang, Xueyan , Lei, Rui , Jiang, Cankun , Zhuang, Jiandong et al. Directional transfer of photo-generated charges mediated by cascaded dual defects in ternary photocatalyst ZnS/ZnO-In2O3 with enhanced photocatalytic performance . | CHEMICAL ENGINEERING JOURNAL , 2021 , 416 . |
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