Preface to special issue for 4th Chinese Symposium on Photocatalytic Materials (CSPM4)
余家国, 张金龙 (客座主编)
Heterogeneous N-coordinated single-atom photocatalysts and electrocatalysts
沈荣晨, 郝磊, 吴永豪*, 张鹏, Arramel Arramel, 李佑稷, 李鑫*
N-coordinated SMA catalysts exhibit unique catalytic performance in various reactions. This review explores the intimate correlation of intrinsic electronic structure, catalytic mechanism, and different electron states of SMA confinement.
MXene quantum dots of Ti3C2: Properties, synthesis, and energy-related applications
关晨, 岳晓阳, 范佳杰, 向全军*
This review presents the mechanism, characteristics, and comparisons of traditional chemical methods with novel fluorine-free/chemical-free methods and discusses the similarities and differences between MXene-derived quantum dots and 2D MXenes in terms of functional groups, light absorption capacity, energy band structure, and other properties.
TiO2-based photocatalysts for CO2 reduction and solar fuel generation
张涛, 韩晓驰, Nhat Truong Nguyen, 杨磊, 周雪梅*
This review presents recent achievements in the solar-driven CO2 reduction for solar fuel generation through TiO2-based photocatalysts. The approaches, mechanisms, and strategies to improve the photocatalytic activity and selectivity of TiO2-based photocatalysts have been systematically summarized.
Electron transfer kinetics in CdS/Pt heterojunction photocatalyst during water splitting
张建军, 杨高元, 何博文, 程蓓, 李佑稷, 梁桂杰*, 王临曦*
Electron transfer kinetics in CdS/Pt heterojunction photocatalysts during water splitting is studied by femtosecond transient absorption spectroscopy.
Photocatalytic CO2 conversion of W18O49/CdSe-Diethylenetriamine with high charge transfer efficiency: Synergistic effect of LSPR effect and S-scheme heterojunction
黄悦, 代凯*, 张金锋*, Graham Dawson
S-scheme W18O49/CdSe-diethylenetriamine heterojunction photocatalyst was successfully constructed. Compared with CdSe-D and W18O49, the increase in photocatalytic CO2 production and stability of W18O49/CdSe-D composites is due to the synergy of LSPR effect caused by oxygen vacancy and the special separation of S-scheme heterojunction.
g-C3N4/CoTiO3 S-scheme heterojunction for enhanced visible light hydrogen production through photocatalytic pure water splitting
孟爱云, 周双, 温达, 韩培刚*, 苏耀荣*
A novel g-C3N4/CoTiO3 S-scheme heterojunction photocatalyst with extended visible light absorption, promoted charge separation, and strong redox capability was successfully constructed to achieve visible light photocatalytic H2 production through pure water splitting.
Constructing 0D/1D Ag3PO4/TiO2 S-scheme heterojunction for efficient photodegradation and oxygen evolution
朱玉坤, 庄严, 王乐乐, 唐华*, 孟献丰, 佘希林*
A 0D Ag3PO4 nanoparticles/1D TiO2 nanofibers S-scheme heterojunction with intimate interfacial contact was designed and exhibited excellent photocatalytic activity and stability in photocatalytic oxygen production and photocatalytic degradation of various organic contaminants, which can be attributed to the intimate interfacial contacts and rich active sites of 0D/1D geometry, fast charge carrier migration, and outstanding photoredox properties induced by the S-scheme charge-transfer route.
Self-assembly synthesis of S-scheme g-C3N4/Bi8(CrO4)O11 for photocatalytic degradation of norfloxacin and bisphenol A
顾晓蒙, 陈太杰, 雷健, 杨洋*, 郑秀珍, 张素娟, 朱秋实, 付先亮, 孟苏刚*, 陈士夫*
The S-scheme g-C3N4/Bi8(CrO4)O11 heterojunctions were successfully synthesized and used for water purification, which exhibited remarkably improved charge transfer efficiency and photocatalytic antibiotic degradation activity under visible light illumination.
All-organic covalent organic frameworks/perylene diimide urea polymer S-scheme photocatalyst for boosted H2 generation
梁子展, 沈荣晨*, 张鹏, 李佑稷, 李能*, 李鑫*
A conjugated COF/PUP all-organic heterostructure with S-Scheme interfacial charge-transfer channels was successfully developed and manufactured for the first time at ambient temperature via an in situ coupling of the 2D TATF-COF with PUP. The resulting S-scheme heterojunction exhibits an ultrahigh hydrogen-evolution rate (94.5 mmol h–1 g–1) and an AQE of up to 19.7% at 420 nm.
2D/2D S-scheme heterojunction with a covalent organic framework and g-C3N4 nanosheets for highly efficient photocatalytic H2 evolution
董鹏玉, 张艾彩珺, 程婷, 潘劲康, 宋骏, 张磊, 关荣锋, 奚新国*, 张金龙*
Ultrasonic-assisted fabrication of Cs2AgBiBr6/Bi2WO6 S-scheme heterojunction for photocatalytic CO2 reduction under visible light
王佳琦, 程浩, 魏丁琼, 李朝晖*
Cs2AgBiBr6/Bi2WO6, fabricated via an ultrasonic-assisted process, exhibited a superior photocatalytic activity for CO2 reduction to produce CH4 and CO under visible light, owing to the presence of an efficient S-scheme heterojunction.
A novel S-scheme 3D ZnIn2S4/WO3 heterostructure for improved hydrogen production under visible light irradiation
赵梦雨, 刘森, 陈代梅*, 张苏舒, Sónia A. C. Carabineiro, 吕康乐*
In-plane epitaxial growth of ZnIn2S4 nanosheets on the surface of WO3 nanorods was achieved by a facile solvothermal method, and this novel S-scheme 3D ZnIn2S4/WO3 heterostructure exhibits high visible photocatalytic hydrogen production rate.
3D Fe-MOF embedded into 2D thin layer carbon nitride to construct 3D/2D S-scheme heterojunction for enhanced photoreduction of CO2
赵小雪, 许梦阳, 宋相海, 周伟强, 刘鑫, 霍鹏伟*
During the photocatalytic CO2 reduction reaction, the 50CN/Fe-MOF follows the S-scheme electron transfer pathway, which not only improves the efficient separation of charge carriers, but also maintains a high redox capacity.
Construction of 3D flowers-like O-doped g-C3N4-[N-doped Nb2O5/C] heterostructure with direct S-scheme charge transport and highly improved visible-light-driven photocatalytic efficiency
Fahim A. Qaraah, Samah A. Mahyoub, Abdo Hezam, Amjad Qaraah, Qasem A. Drmosh, 修光利*
S-Scheme photocatalyst TaON/Bi2WO6 nanofibers with oxygen vacancies for efficient abatement of antibiotics and Cr(VI): Intermediate eco-toxicity analysis and mechanistic insights
李世杰*, 蔡铭洁, 刘艳萍, 王春春, 吕康乐, 陈晓波*
A novel TaON/Bi2WO6 core-shell S-scheme heterojunction nanofibers with oxygen vacancies has been designed for highly efficient visible-light photocatalytic abatement of antibiotics and Cr(VI). The superior catalytic performance is benefiting from the efficient separation of high energetic charge carriers with optimal photo-redox power by S-scheme mechanism and rich oxygen vacancies, as well as the compact contact by the in-situ growth.
Noble-metal-free plasmonic MoO3‒x-based S-scheme heterojunction for photocatalytic dehydrogenation of benzyl alcohol to storable H2 fuel and benzaldehyde
魏英聪, 张琪琪, 周颖, 马雄风, 王乐乐, 王严杰, 洒荣建, 龙金林, 付贤智, 员汝胜*
Coproduction of H2 and benzaldehyde from benzyl alcohol with simultaneous utilization of photogenerated electrons and holes over Zn0.1Cd0.9S/MoO3‒x S-scheme heterojunction photocatalyst under UV-visible-NIR light excitation were achieved.
Singlet oxygen synergistic surface-adsorbed hydroxyl radicals for phenol degradation in CoP catalytic photo-Fenton
俞浩然, 刘丹旭, 王恒屹, 于海爽, 闫青云, 嵇家辉*, 张金龙, 邢明阳*
The synergistic effect of 1O2 and •OHads in the CoP/Fe2+/AM1.5 system was confirmed. 1O2 promotes the hydroxylation of weakly polar phenol, which can then be adsorbed to the CoP surface and degraded by •OHads on its surface.
An efficient strategy for photocatalytic hydrogen peroxide production over oxygen-enriched graphitic carbon nitride with sodium phosphate
张瑜, 张玲, 曾滴, 王文婧, 王举雪, 王伟民, 王文中*
A thioether-functionalized pyrene-based covalent organic framework anchoring ultrafine Au nanoparticles for efficient photocatalytic hydrogen generation
周志明, 别传彪, 李沛泽, 谭必恩, 申燕*
A thioether-functionalized pyrene-based COF was devised and built for efficient photocatalytic hydrogen generation. Its superior photocatalytic performance can be attributed to the peculiar pores of COF support and coordination contact between thioether groups and Au.
Mechanochemical preparation and application of graphdiyne coupled with CdSe nanoparticles for efficient photocatalytic hydrogen production
范召博, 郭鑫*, 杨梦雪, 靳治良*
Graphdiyne was successfully prepared by the mechanochemical coupling of precursors C6Br6 and CaC2 using a ball-milling approach. Graphdiyne coupled with CdSe exhibits high hydrogen evolution activity.
Dual transfer channels of photo-carriers in 2D/2D/2D sandwich-like ZnIn2S4/g-C3N4/Ti3C2 MXene S-scheme/Schottky heterojunction for boosting photocatalytic H2 evolution
2D/2D/2D三明治结构ZnIn2S4/g-C3N4/Ti3C2 Mxene S型异质结-肖特基结双通道电荷转移路径促进的光催化析氢
王乐乐, 杨涛, 彭李杰, 张琪琪, 佘希林*, 唐华, 刘芹芹*
A 2D/2D/2D sandwich-like ternary ZnIn2S4/g-C3N4/Ti3C2 MXene heterojunction with dual carrier transfer channels was designed to boost the photogenerated carrier separation and migration.
Enantioselective intermolecular [2+2] photocycloadditions of vinylazaarenes with triplet-state electron-deficient olefins
田栋, 孙鑫, 曹珊珊, 王二萌, 尹艳丽, 赵筱薇, 江智勇*
Asymmetric intermolecular [2+2] photocycloaddition reactions of electron-withdrawing olefins with vinylazaarenes have been developed by exploiting a substrate-differentiating synergistic catalysis platform.