Enhanced Optoelectronic Conversion Efficiency of CdSe/ZnS Quantum Dot/Graphene/Silver Nanowire Hybrid Thin Films.

Bo-Tau Liu, Kuan-Han Wu, Rong-Ho Lee

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Article in Nanoscale research letters, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0cells of the map it votes in

0citing papers in PubMed

0.6field-weighted citation impact, top 31% of its field

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0 citing papers in PubMed, 7 citations in OpenAlex.

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5 · Who and what money

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3 authors at 2 institutions in 1 country.

Bo-Tau LiuDepartment of Chemical and Materials Engineering, National Yunlin University of Science and Technology, 123 Univ. Rd., Sec. 3, Douliou, Yunlin, 64002, Taiwan. liubo@yuntech.edu.tw.ORCID http://orcid.org/0000-0002-4087-5739

Kuan-Han WuDepartment of Chemical and Materials Engineering, National Yunlin University of Science and Technology, 123 Univ. Rd., Sec. 3, Douliou, Yunlin, 64002, Taiwan.

Rong-Ho LeeDepartment of Chemical Engineering, National Chung Hsing University, Taichung, 40227, Taiwan, Republic of China.

National Yunlin University of Science and Technology · TWNational Chung Hsing University · TW

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In this study, we prepared the reduced graphene oxide (rGO)-CdSe/ZnS quantum dots (QDs) hybrid films on a three-layer scaffold that the QD layer was sandwiched between the two rGO layers. The photocurrent was induced by virtue of the facts that the rGO quenched the photoluminescence of QDs and transferred the excited energy. The quenching mechanism was attributed to the surface energy transfer, supported in our experimental results. We found that the optoelectronic conversion efficiency of the hybrid films can be significantly improved by incorporating the silver nanowires (AgNWs) into the QD layer. Upon increasing AgNW content, the photocurrent density increased from 22.1 to 80.3 μA cm(-2), reaching a near 3.6-fold enhancement compared to the pristine rGO-QD hybrid films. According to the analyses of photoluminescence spectra, shape effect, and electrochemical impedance spectra, the enhancement on the optoelectronic conversion efficiency arise mainly from the strong quenching ability of silver and the rapid electron transfer of AgNWs.

Indexed as

CdSe/ZnSGrapheneOptoelectronQuantum dotQuenchingSilver nanowire

Identifiers

PMID27599719

DOI10.1186/s11671-016-1606-3

PMCPMC5013003

OpenAlexW2510534755

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LicenceCC BY

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.