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Polystyrene nanoparticles enhance photo responsivity of graphene photodetector
Li GX(李恭新); Xie SX(解双喜); Wang WX(王文学); Wang YC(王越超); Liu LQ(刘连庆)
作者部门机器人学研究室
发表期刊Optical Materials Express
ISSN2159-3930
2016
卷号6期号:2页码:296-302
收录类别SCI ; EI
EI收录号20160701928128
WOS记录号WOS:000372039500001
产权排序1
资助机构National Natural Science Foundation of China (Grant No. 61327014, Grant No. 61375107), and the CAS/SAFEA International Partnership Program for Creative Research Teams.
摘要Graphene has attracted much attention as a candidate for plane material in optoelectronics and optoelectronic devices for its exceptional physical properties. However, its low photo responsivity has limited its development and applications in photodetectors. In this paper, we propose a new method to enhance the photo responsivity of a graphene photodetector by integrating Polystyrene Nanoparticles (PSNs) into the graphene photodetector, dropping them onto the graphene surface using a glass micropipette. The results show that the photocurrent of the graphene photodetector is linearly enhanced with increasing PSNs concentration, and achieves a maximum enhancement by up to 71% with 500 nm PSNs under the incident light of 470 nm. The enhancement of the photo responsivity varies as the light wavelength changes with PSNs of the same diameter and it is demonstrated by simulation that the photo responsivity is maximally enhanced when the wavelength of the incident light is equal to the diameter of the PSNs. Our approach not only promotes the development of graphene in optoelectronics, but also has the potential for multicolor photodetection.
语种英语
WOS标题词Science & Technology ; Technology ; Physical Sciences
WOS类目Materials Science, Multidisciplinary ; Optics
关键词[WOS]LIGHT ; TRANSPARENT ; TRANSISTORS ; ELECTRODES ; GATE
WOS研究方向Materials Science ; Optics
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/17648
专题机器人学研究室
通讯作者Wang WX(王文学); Liu LQ(刘连庆)
作者单位1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
2.University of the Chinese Academy of Sciences, Beijing, China
推荐引用方式
GB/T 7714
Li GX,Xie SX,Wang WX,et al. Polystyrene nanoparticles enhance photo responsivity of graphene photodetector[J]. Optical Materials Express,2016,6(2):296-302.
APA Li GX,Xie SX,Wang WX,Wang YC,&Liu LQ.(2016).Polystyrene nanoparticles enhance photo responsivity of graphene photodetector.Optical Materials Express,6(2),296-302.
MLA Li GX,et al."Polystyrene nanoparticles enhance photo responsivity of graphene photodetector".Optical Materials Express 6.2(2016):296-302.
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