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Photoexcitation in pure and modified semiconductor photocatalysts

Title
Photoexcitation in pure and modified semiconductor photocatalysts
Authors
Kim, GonuPark, YiseulMoon, Gun-heeChoi, Wonyong
DGIST Authors
Kim, Gonu; Park, Yiseul
Issue Date
2016
Citation
, 2016-January(14), 110-128
Type
Conference
Article Type
Book Chapter
ISSN
2044-0774
Abstract
Semiconductor photocatalysis has great promise for applications in solar energy conversion and environmental remediation because it is inexpensive, versatile, and environmentally benign. However, some critical factors such as limited light absorption and fast electron-hole pair recombination restrict the practical applications. Because no pure-phase semiconductors efficiently utilize solar irradiation, semiconductor materials have been modified in various ways to enhance their light-absorption properties. In this chapter, photoexcitation in modified semiconductor systems that include the impurity-doped, coupled, dye-sensitized, ligand-to-metal charge transfer (LMCT)-sensitized, and local surface plasmon resonance (LSPR)-sensitized semiconductors are discussed. In particular, the photoexcitation mechanism, charge transfer pathway, applications, and limitations of each method are described. © 2016 The Royal Society of Chemistry.
URI
http://hdl.handle.net/20.500.11750/3676
DOI
10.1039/9781782622338-00110
Publisher
Royal Society of Chemistry
Files:
There are no files associated with this item.
Collection:
Smart Textile Convergence Research Group2. Conference Papers


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