NDLI: A flexible UV nanosensor based on reduced graphene oxide decorated ZnO nanostructures

Content Provider	Royal Society of Chemistry (RSC)
Author	Wang, Zhenxing He, Jun Muhammad, Safdar Wang, Yajun Huang, Ying Zhan, Xueying
Copyright Year	2012
Abstract	A low-cost, compatible with flexible electronics, high performance UV sensor has been achieved from a reduced graphene oxide (RGO) decorated hydrangea-like ZnO film on a PDMS substrate. The hydrangea-like ZnO UV sensor has the best UV sensing performance among devices made of three kinds of ZnO nanostructures synthesized by a hydrothermal method, and demonstrated a dramatic enhancement in on/off ratio and photoresponse current by introducing an appropriate weight ratio of RGO. The on/off ratio of the 0.05% RGO/ZnO sensor increases almost one order of magnitude compared to that of a pristine hydrangea-like ZnO UV sensor. While for the 5% RGO decorated ZnO sensor, the photoresponse current reaches as high as ∼1 μA and exceeds 700 times that of a ZnO UV sensor. These results indicate that RGO is an appropriate material to enhance the performance of ZnO nanostructure UV sensors based on its unique features, especially the high optical transparency and excellent electronic conductivity. Our findings will make RGO/ZnO nanohybrids extraordinarily promising in optoelectronics, flexible electronics and sensor applications.
Starting Page	2678
Ending Page	2684
Page Count	7
File Format	HTM / HTML PDF
ISSN	20403364
Volume Number	4
Issue Number	8
Journal	Nanoscale
DOI	10.1039/c2nr30354j
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Optoelectronics Hydrothermal circulation Graphene Nanostructure Flexible electronics
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology

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