NDLI: Photo-driven synthesis of polymer-coated platinized ZnO nanoparticles with enhanced photoelectrochemical charge transportation

Content Provider	Royal Society of Chemistry (RSC)
Author	Amal, Rose Scott, Jason Ng, Yun Hau Thickett, Stuart C. Boyer, Cyrille Toe, Cui Ying Tan, Hui Ling Rawal, Aditya
Copyright Year	2017
Abstract	Incorporation of both metal nanoparticles and a polymer layer is proposed to benefit charge transport in a semiconductor in the absence of electron and hole scavengers. Therefore in this work, zinc oxide is deposited with platinum metal and a layer of polymeric species via a photocatalytic route: platinum cation photoreduction and phenol photooxidative polymerization which utilize photogenerated electrons and holes of ZnO, respectively. The photoelectrochemical performances of these photocatalysts follow the order of Poly/Pt/ZnO > Pt/ZnO > bare ZnO, revealing the effectiveness of both the platinum and polymer in enhancing charge separation within ZnO. Although platinum is known to be an excellent electron sink for promoting electron transfer, the performance of Pt/ZnO was limited by the transport of holes to the ZnO surface for oxidation reactions. Thus, the polymer layer plays an important role in facilitating hole transport, resulting in the enhanced performance of Poly/Pt/ZnO.
Starting Page	4568
Ending Page	4575
Page Count	8
File Format	HTM / HTML PDF
ISSN	20507488
Volume Number	5
Issue Number	9
Journal	Journal of Materials Chemistry A
DOI	10.1039/c6ta10665j
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Polymer Semiconductor Zinc oxide Ion Phenols Polymerization Photoelectrochemical cell
Content Type	Text
Resource Type	Article
Subject	Chemistry Renewable Energy, Sustainability and the Environment Materials Science

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