Recent Progress in Engineering Metal Halide Perovskites for Efficient Visible‐Light‐Driven Photocatalysis DOI
Chuang Han, Xiaolin Zhu,

Jovan San Martin

et al.

ChemSusChem, Journal Year: 2020, Volume and Issue: 13(16), P. 4005 - 4025

Published: May 19, 2020

Abstract Artificial photosynthesis has attracted increasing attention due to recent environmental and energy concerns. Metal halide perovskites (MHPs) demonstrating excellent optoelectronic properties have currently emerged as novel efficient photocatalytic materials. Herein, the structural features of MHPs that are responsible for photoinduced charge separation migration briefly introduced, then important necessary photophysical photochemical aspects related photoredox catalysis summarized. Subsequently, applications solar harvesting conversion, including H 2 evolution, CO reduction, degradation organic pollutants, synthesis, extensively demonstrated, with a focus on strategies improving performance (e.g., selectivity, activity, stability, recyclability, compatibility) these MHP‐based systems. To conclude, existing challenges prospects future development materials towards detailed.

Language: Английский

State of the Art and Prospects for Halide Perovskite Nanocrystals DOI Creative Commons
Amrita Dey, Junzhi Ye, Apurba De

et al.

ACS Nano, Journal Year: 2021, Volume and Issue: 15(7), P. 10775 - 10981

Published: June 17, 2021

Metal-halide perovskites have rapidly emerged as one of the most promising materials 21st century, with many exciting properties and great potential for a broad range applications, from photovoltaics to optoelectronics photocatalysis. The ease which metal-halide can be synthesized in form brightly luminescent colloidal nanocrystals, well their tunable intriguing optical electronic properties, has attracted researchers different disciplines science technology. In last few years, there been significant progress shape-controlled synthesis perovskite nanocrystals understanding applications. this comprehensive review, having expertise fields (chemistry, physics, device engineering) joined together provide state art overview future prospects nanocrystal research.

Language: Английский

Citations

1063
Solar-Driven Metal Halide Perovskite Photocatalysis: Design, Stability, and Performance DOI Creative Commons
Haowei Huang, Bapi Pradhan, Johan Hofkens

et al.

ACS Energy Letters, Journal Year: 2020, Volume and Issue: 5(4), P. 1107 - 1123

Published: March 6, 2020

The development of green, sustainable, and economical chemical processes represents a cornerstone challenge within chemistry today. Semiconductor heterogeneous photocatalysis is currently utilized wide variety societally impactful processes, spanning reactions such as hydrogen production CO2 conversion, to the organic transformation raw materials for value-added chemicals. Metal halide perovskites (MHPs) have recently emerged new promising class cheap easy make photocatalytic semiconductors, though their unstable ionically bound crystal structure has thus far restricted widespread application. In this Review, we examine issues hampering MHP-based highlight general approaches being taken achieve stable reaction environments. Specifically, outline adoption (1) halogen acid solutions (i.e., HX; X = I or Br) evolution reactions, (2) relatively low-polarity solvents photoreduction transformations, (3) encapsulation reduction water splitting. Further, detail measures arrive at intrinsically materials, removing need atypical With each technology offering unique sets benefits challenges, conclude by outlining potentially opportunities directions metal perovskite-based research moving forward.

Language: Английский

Citations

513
Bismuth-based photocatalysts for solar energy conversion DOI
Songcan Wang, Lianzhou Wang, Wei Huang

et al.

Journal of Materials Chemistry A, Journal Year: 2020, Volume and Issue: 8(46), P. 24307 - 24352

Published: Jan. 1, 2020

Bismuth-based nanomaterials comprise a rich family of narrow bandgap photocatalysts, providing excellent opportunities for converting sunlight into chemical energy. This article is believed to promote the development efficient photocatalysts.

Language: Английский

Citations

277
A Supported Bismuth Halide Perovskite Photocatalyst for Selective Aliphatic and Aromatic C–H Bond Activation DOI Creative Commons
Yitao Dai, Corentin Poidevin, Cristina Ochoa‐Hernández

et al.

Angewandte Chemie International Edition, Journal Year: 2019, Volume and Issue: 59(14), P. 5788 - 5796

Published: Dec. 18, 2019

Direct selective oxidation of hydrocarbons to oxygenates by O2 is challenging. Catalysts are limited the low activity and narrow application scope, main focus on active C-H bonds at benzylic positions. In this work, stable, lead-free, Cs3 Bi2 Br9 halide perovskites integrated within pore channels mesoporous SBA-15 silica demonstrate their photocatalytic potentials for bond activation. The composite photocatalysts can effectively oxidize (C5 C16 including aromatic aliphatic alkanes) with a conversion rate up 32900 μmol gcat-1 h-1 excellent selectivity (>99 %) towards aldehydes ketones under visible-light irradiation. Isotopic labeling, in situ spectroscopic studies, DFT calculations reveal that well-dispersed small perovskite nanoparticles (2-5 nm) possess enhanced electron-hole separation close contact facilitates C(sp3 )-H activation photoinduced charges.

Language: Английский

Citations

214
Boosted Photocatalytic Oxidation of Toluene into Benzaldehyde on CdIn2S4-CdS: Synergetic Effect of Compact Heterojunction and S-Vacancy DOI
Yuxuan Tan,

Zhao-Ming Chai,

Binghao Wang

et al.

ACS Catalysis, Journal Year: 2021, Volume and Issue: 11(5), P. 2492 - 2503

Published: Feb. 10, 2021

The enhancement of electron-and-hole separation efficiency and facile generation reactive oxygen species are significant factors for performance improvement photocatalysts in selective toluene photocatalytic oxidation. Heterojunction defect construction have been regarded as valid methods to boost activity semiconductors. Herein, the CdIn2S4-CdS composite with compact heterojunctions defect-induced sulfur vacancies was fabricated by a one-step hydrothermal process. sheet-to-sheet abundant facilitate migration photoinduced charge carriers. Benefited from compositional structural synergy, prepared CdIn2S4-CdS-140 boosted oxidation conversion into benzaldehyde (remarkable 80.3% selectivity 99% 6 h) under visible light irradiation. It is noteworthy that can perform well when pure O2 replaced air.

Language: Английский

Citations

201
Engineering Lattice Disorder on a Photocatalyst: Photochromic BiOBr Nanosheets Enhance Activation of Aromatic C–H Bonds via Water Oxidation DOI
Xing Cao, Aijian Huang, Chao Liang

et al.

Journal of the American Chemical Society, Journal Year: 2022, Volume and Issue: 144(8), P. 3386 - 3397

Published: Feb. 15, 2022

Solar-driven photocatalytic reactions can mildly activate hydrocarbon C-H bonds to produce value-added chemicals. However, the inefficient utilization of photogenerated carriers hinders application. Here, we report reversible photochromic BiOBr (denoted as p-BiOBr) nanosheets that were colored by trapping holes upon visible light irradiation and bleached water oxidation generate hydroxyl radicals, demonstrating enhanced carrier separation oxidation. The coupling ethylbenzene efficiently realized p-BiOBr in a water-based medium under ambient temperature pressure (apparent quantum yield is 14 times pristine BiOBr). feature lattice disordered defects on surface, providing rich uncoordinated catalytic sites inducing structural distortions strain, which further leads an altered band structure significantly performances. These hole-trapping materials open up possibility substantially elevating efficiency for high-efficiency activation various saturated bonds.

Language: Английский

Citations

178
Developing sustainable, high-performance perovskites in photocatalysis: design strategies and applications DOI
Haoxin Mai, Dehong Chen, Yasuhiro Tachibana

et al.

Chemical Society Reviews, Journal Year: 2021, Volume and Issue: 50(24), P. 13692 - 13729

Published: Jan. 1, 2021

Recent progress of earth-abundant, nontoxic perovskite oxides, halides and oxyhalides for photocatalysis is discussed related to composition structure.

Language: Английский

Citations

163
Semiconductor nanocrystals for small molecule activationviaartificial photosynthesis DOI
Xu‐Bing Li,

Zhi‐Kun Xin,

Shu‐Guang Xia

et al.

Chemical Society Reviews, Journal Year: 2020, Volume and Issue: 49(24), P. 9028 - 9056

Published: Jan. 1, 2020

The protocol of artificial photosynthesis using semiconductor nanocrystals shines light on green, facile and low-cost small molecule activation to produce solar fuels value-added chemicals.

Language: Английский

Citations

155
Boosted Inner Surface Charge Transfer in Perovskite Nanodots@Mesoporous Titania Frameworks for Efficient and Selective Photocatalytic CO2 Reduction to Methane DOI
Qimeng Sun, Jingjing Xu, Feifei Tao

et al.

Angewandte Chemie International Edition, Journal Year: 2022, Volume and Issue: 61(20)

Published: Feb. 22, 2022

Exploring high-efficiency and stable halide perovskite-based photocatalysts for the selective reduction of CO2 to methane is a challenge because intrinsic photo- chemical instability perovskites. In this study, perovskites (Cs3 Bi2 Br9 Cs2 AgBiBr6 ) were grown in situ mesoporous TiO2 frameworks an efficient reduction. Benchmarked CH4 production rates 32.9 24.2 μmol g-1 h-1 with selectivities 88.7 % 84.2 %, achieved, respectively, which are better than most reported perovskite photocatalysts. Focused ion-beam sliced-imaging techniques used directly image hyperdispersed nanodots confined mesopores tunable sizes ranging from 3.8 9.9 nm. X-ray photoelectronic spectroscopy Kelvin probe force microscopy showed that built-in electric field between titania channels efficiently promoted photo-induced charge transfer. Density functional theory calculations indicate high selectivity was attributed Bi-adsorption-mediated hydrogenation *CO *HCO dominates CO desorption.

Language: Английский

Citations

148
Halide Perovskite Materials for Photo(Electro)Chemical Applications: Dimensionality, Heterojunction, and Performance DOI
Shuang Pan, Jun Li,

Zhangchuan Wen

et al.

Advanced Energy Materials, Journal Year: 2021, Volume and Issue: 12(4)

Published: May 5, 2021

Abstract In recent years, halide perovskite materials have sparked intensive research, including their burgeoning development in the field of photo(electro)chemical catalysis. Halide are based on abundant and low‐cost elements with a rich structural composition variety molecular morphological dimensionalities. They possess versatile advantages over other photo(electro)catalytic owing to facile adjustment electronic properties via compositional engineering. Thus, rapid photo(electro)catalysts past 4–5 years has opened up new opportunities for diverse applications, ranging from photocatalytic organic reactions (e.g., chemical transformations, photopolymerization, degradation) solar‐to‐chemical fuel conversion water splitting CO 2 reduction). This review aims provide an up‐to‐date discussion applications materials, emphasizing crystal dimensionality, synthetic methodologies, heterojunction structures, fundamental structure‐activity relationships. Furthermore, current challenges future research directions rational design boost overall catalytic performance stability identified envisaged respectively.

Language: Английский

Citations

118