Fundamental Studies on Photocatalytic Structures with Well-Defined Crystal Facets
Jiang, Dong; Wang, Wenzhong
Source PublicationStudies in Surface Science and Catalysis
AbstractSemiconductor photocatalysis has attracted worldwide attention for its promising potentials in energy and environmental uses, such as artificial photosynthesis and air and water purification. Over the past decade, crystal facet engineering (CFE) has initiated a flourishing interest in this field, as one commonly employed approach to optimizing the reactivity of various photocatalysts, including the famous TiO2and other materials (e.g., Cu2O, BiVO4, and BiOCl). On one hand, the controllable synthesis of faceted crystals provides new opportunities for constructing high-performance photocatalytic systems with desirable surface properties. In this respect, several strategies have been developed to finely tune the size, percentage, and selective combinations of specific facets in one single crystal. On another hand, crystals with well-defined facets make it possible to explore accurate structure-function relationships in various processes. Several unusual properties with crystal facet dependence have been demonstrated, that is, molecule/cluster adsorption, surface electronic structure, surface defects, synergy between different facets, and so on. Essentially, photocatalysis is the integration of photoexcitation and surface catalysis. Photoexcitation involves the light absorption and charge carriers output, while surface catalysis concerns the utilization of photoinduced e-/h+pairs. Therefore, one fundamental principle should be kept in mind throughout the CFE studies, that is, the synergy of above key steps. In this chapter, we present the current understandings of well-defined photocatalytic structures with discussions of some state-of-the-art results, including the synthesis and especially their unique properties. Furthermore, based on the current studies, some challenges and opportunities for future research on CFE are also proposed. © 2017 Elsevier B.V. All rights reserved.
EI Accession Number20172503806072
EI KeywordsCrystal atomic structure
EI Classification Number451.2 Air Pollution Control - 741.1 Light/Optics - 801.4 Physical Chemistry - 802.2 Chemical Reactions - 804.2 Inorganic Compounds - 933.1 Crystalline Solids - 933.1.1 Crystal Lattice - 951 Materials Science
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Document Type期刊论文
AffiliationShanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China
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Jiang, Dong,Wang, Wenzhong. Fundamental Studies on Photocatalytic Structures with Well-Defined Crystal Facets[J]. Studies in Surface Science and Catalysis,2017,177:409-438.
APA Jiang, Dong,&Wang, Wenzhong.(2017).Fundamental Studies on Photocatalytic Structures with Well-Defined Crystal Facets.Studies in Surface Science and Catalysis,177,409-438.
MLA Jiang, Dong,et al."Fundamental Studies on Photocatalytic Structures with Well-Defined Crystal Facets".Studies in Surface Science and Catalysis 177(2017):409-438.
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