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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)
Department机器人学研究室
Source PublicationOptical Materials Express
ISSN2159-3930
2016
Volume6Issue:2Pages:296-302
Indexed BySCI ; EI
EI Accession number20160701928128
WOS IDWOS:000372039500001
Contribution Rank1
Funding OrganizationNational Natural Science Foundation of China (Grant No. 61327014, Grant No. 61375107), and the CAS/SAFEA International Partnership Program for Creative Research Teams.
AbstractGraphene 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.
Language英语
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
WOS SubjectMaterials Science, Multidisciplinary ; Optics
WOS KeywordLIGHT ; TRANSPARENT ; TRANSISTORS ; ELECTRODES ; GATE
WOS Research AreaMaterials Science ; Optics
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/17648
Collection机器人学研究室
Corresponding AuthorWang WX(王文学); Liu LQ(刘连庆)
Affiliation1.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
Recommended Citation
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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