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나노 구조 물리 연구단
나노구조물리 연구단
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Enhanced Luminescence and Photocurrent of Organic Microrod/ZnO Nanoparticle Hybrid System: Nanoscale Optical and Electrical Characteristics

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Title
Enhanced Luminescence and Photocurrent of Organic Microrod/ZnO Nanoparticle Hybrid System: Nanoscale Optical and Electrical Characteristics
Author(s)
Guru P. Neupane; Krishna P. Dhakal; EunHei Cho; Bong-Gi Kim; Seong Chu Lim; Jubok Lee; Changwon Seo; Young Bum Kim; Min Su Kim; Jinsang Kim; Jinsoo Joo; Jeongyong Kim
Publication Date
2015-09
Journal
ELECTRONIC MATERIALS LETTERS, v.11, no.5, pp.741 - 748
Publisher
KOREAN INST METALS MATERIALS
Abstract
We studied the enhanced photoluminescence (PL) and photocurrent (PC) of 1,4-bis(3,5-bis(trifluoromethyl)styryl)-2,5-dibromobenzene (TSDB) microrods decorated with ZnO nanoparticles (NPs). Chemically synthesized crystalline ZnO NPs with an average size of 40 nm were functionalized with (3-aminopropyl)trimethoxysilane to result in the chemical bonding of the NPs onto the surface of the TSDB microrods. We observed a 2-fold PL enhancement in the ZnO/TSDB hybrid microrods compared with the PL of the pure TSDB microrods. In addition, PC measurement carried out on the TSDB and ZnO/TSDB hybrid microrods at two different excitation wavelengths of 355 urn and 405 nm showed the significant enhancement of the PC from the hybrid system, where the resonant excitation of the laser (355 urn) corresponding to the absorption of both ZnO and TSDB caused 3 times enhancement of the PC from the ZnO/TSDB hybrid microrods
URI
https://pr.ibs.re.kr/handle/8788114/1906
ISSN
1738-8090
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
Files in This Item:
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