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Nano Research 2019, 12(9): 2031-2054 https://doi.org/10.1007/s12274-018-2267-6
Review Article | Issue | Published: 22 December 2018

Crystal phase engineering on photocatalytic materials for energy and environmental applications

Show Author's Information Song Bai1,2( ),  Chao Gao2,  Jingxiang Low2,  Yujie Xiong2( )
Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsCollege of Chemistry and Life SciencesInstitute of Physical and ChemistryZhejiang Normal UniversityJinhua321004China
Hefei National Laboratory for Physical Sciences at the MicroscaleiChEM (Collaborative Innovation Center of Chemistry for Energy Materials)School of Chemistry and Materials ScienceUniversity of Science and Technology of ChinaHefei230026China
Keywords:
photocatalysis, environment, energy, crystal phase, charge kinetics, architectural design
Topics:
Charge transferCrystal structureLight absoptionPhotocatalysisPhotocatalystsSemiconductor junctions
Cite this article:
Bai S, Gao C, Low J, et al. Crystal phase engineering on photocatalytic materials for energy and environmental applications. Nano Research, 2019, 12(9): 2031-2054. https://doi.org/10.1007/s12274-018-2267-6
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Abstract Full text About this article

Crystal phase engineering on photocatalytic materials is a subfield of photocatalysis with intensive research, which has been proven as a versatile approach to maneuver their performance for applications in energy- and environment-related fields. In this article, the state-of-the-art progress on phase-engineered photocatalytic materials is reviewed. Firstly, we discuss the phase engineering on pristine semiconductor photocatalysts, in which the phase-dependent light absorption, charge transfer and separation, and surface reaction behaviors in photocatalytic processes are summarized, respectively. Based on the elucidated mechanisms, the implementation of phase junctions in photocatalytic reactions is then presented. As a focus, we highlight the rational design of phase junctions toward steering the charge kinetics for enhanced photocatalytic and photoelectrocatalytic performance. Moreover, the crystal phase engineering on semiconductor-based hybrid photocatalysts is also introduced, which underlines the importance of choosing a suitable phase for semiconductor components and co-catalysts as well as the synergism of different semiconductor phases for improved photocatalytic performance. Finally, the challenges and perspectives in this research field are proposed. In this review, particular emphasis is placed on establishing a linkage between crystal phase and photocatalytic activity to develop a structure-activity guide. Based on the guide, a framework is suggested for future research on the rational phase design of photocatalysts for improved performance in energy and environmental applications.


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About this article

Crystal phase engineering on photocatalytic materials for energy and environmental applications

Show Author's information Song Bai1,2( ), Chao Gao2, Jingxiang Low2, Yujie Xiong2( )
Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsCollege of Chemistry and Life SciencesInstitute of Physical and ChemistryZhejiang Normal UniversityJinhua321004China
Hefei National Laboratory for Physical Sciences at the MicroscaleiChEM (Collaborative Innovation Center of Chemistry for Energy Materials)School of Chemistry and Materials ScienceUniversity of Science and Technology of ChinaHefei230026China

Abstract

Crystal phase engineering on photocatalytic materials is a subfield of photocatalysis with intensive research, which has been proven as a versatile approach to maneuver their performance for applications in energy- and environment-related fields. In this article, the state-of-the-art progress on phase-engineered photocatalytic materials is reviewed. Firstly, we discuss the phase engineering on pristine semiconductor photocatalysts, in which the phase-dependent light absorption, charge transfer and separation, and surface reaction behaviors in photocatalytic processes are summarized, respectively. Based on the elucidated mechanisms, the implementation of phase junctions in photocatalytic reactions is then presented. As a focus, we highlight the rational design of phase junctions toward steering the charge kinetics for enhanced photocatalytic and photoelectrocatalytic performance. Moreover, the crystal phase engineering on semiconductor-based hybrid photocatalysts is also introduced, which underlines the importance of choosing a suitable phase for semiconductor components and co-catalysts as well as the synergism of different semiconductor phases for improved photocatalytic performance. Finally, the challenges and perspectives in this research field are proposed. In this review, particular emphasis is placed on establishing a linkage between crystal phase and photocatalytic activity to develop a structure-activity guide. Based on the guide, a framework is suggested for future research on the rational phase design of photocatalysts for improved performance in energy and environmental applications.

Keywords: photocatalysis, environment, energy, crystal phase, charge kinetics, architectural design

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Publication history
Copyright
Acknowledgements

Publication history

Received: 14 October 2018
Revised: 23 November 2018
Accepted: 09 December 2018
Published: 22 December 2018
Issue date: September 2019

Copyright

© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Acknowledgements

Acknowledgements

This work was financially supported in part by the National Key R & D Program of China (No. 2017YFA0207301), the National Natural Science Foundation of China (Nos. 21725102, 21471141, 21603191, and U1532135), CAS Key Research Program of Frontier Sciences (No. QYZDB-SSW-SLH018), CAS Interdisciplinary Innovation Team, and Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology (No. 2016FXCX003).

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