Quantum dot-decorated semiconductor micro- and nanoparticles: A review of their synthesis, characterization and application in photocatalysis

被引:146
作者
Bajorowicz, Beata [1 ]
Kobylanski, Marek P. [1 ]
Golabiewska, Anna [1 ]
Nadolna, Joanna [1 ]
Zaleska-Medynska, Adriana [1 ]
Malankowska, Anna [1 ]
机构
[1] Univ Gdansk, Dept Environm Technol, Fac Chem, PL-80308 Gdansk, Poland
关键词
Quantum dots; Photocatalysts; Nanocomposite synthesis; Semiconductor particles; Heterogeneous photocatalysis; EXPOSED; 001; FACETS; OXYGEN ACTIVATION ABILITY; VISIBLE-LIGHT ACTIVITY; TIO2 NANOTUBE ARRAYS; IN-SITU SYNTHESIS; FLOWER-LIKE BIOBR; CARBON-DOTS; SURFACE-PROPERTIES; HIGHLY EFFICIENT; ENHANCED PHOTOCATALYSIS;
D O I
10.1016/j.cis.2018.02.003
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Quantum dot (QD)-decorated semiconductor micro- and nanoparticles are a new class of functional nanomaterials that have attracted considerable interest for their unique structural, optical and electronic properties that result from the large surface-to-volume ratio and the quantum confinement effect. In addition, because of QDs' excellent light-harvesting capacity, unique photoinduced electron transfer, and up-conversion behaviour, semiconductor nanoparticles decorated with quantum dots have been used widely in photocatalytic applications for the degradation of organic pollutants in both the gas and aqueous phases. This review is a comprehensive overview of the recent progress in synthesis methods for quantum dots and quantum dot-decorated semiconductor composites with an emphasis on their composition, morphology and optical behaviour. Furthermore, various approaches used for the preparation of QD-based composites are discussed in detail with respect to visible and UV light-induced photoactivity. Finally, an outlook on future development is proposed with the goal of overcoming challenges and stimulating further research into this promising field. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码:352 / 372
页数:21
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