Photosensitization of ZnO nanowire-based electrodes using one-step hydrothermally synthesized CdSe/CdS (core/shell) sensitizer

doi:10.1016/j.solener.2015.12.002

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	Photosensitization of ZnO nanowire-based electrodes using one-step hydrothermally synthesized CdSe/CdS (core/shell) sensitizer
	Hui K.N.1 ; Hui K.S.2; Zhang X.L.3; Mane R.S.4,5; Naushad M.5
	2016-02
Source Publication	Solar Energy
ISSN	0038-092X
Volume	125 Pages:125-134
Abstract	One-step assembled CdSe/CdS (core/shell) quantum dots (QDs) were deposited onto ZnO nanowires (NWs) and characterized for their structure, morphology and optical analyses. As deposited ZnO NWs array were wurtzite in structure. During a single hydrothermal cycle a layer of ∼4 nm CdSe/CdS QDs was formed onto ZnO NWs and overgrowth evidenced with an additional 2–5 layers due to which, (a) absorbance density, and (b) Raman Shift of 1LO mode (from 286 cm⁻¹ to 296 cm⁻¹) increased and (c) the photoluminescence intensity of the near band-edge emission peak at ∼379 nm decreased. Due to more accumulation of CdSe/CdS, photoelectrochemical cells of ZnO-based photoelectrodes designed for 1–4 cycles of CdSe/CdS onto indium-tin-oxide substrate demonstrated increasing power conversion efficiency trend from 0.18% to 1.29% whereas, for 5th cycle power conversion efficiency, due to an increased series resistance, decreased to 1.12% on account of an accumulation of several QDs.
Keyword	Cds At Cdse Morphology Photoelectrochemical Cells Photoluminescence Structure
DOI	10.1016/j.solener.2015.12.002
URL	View the original
Indexed By	SCIE
Language	英語English
WOS Research Area	Energy & Fuels
WOS Subject	Energy & Fuels
WOS ID	WOS:000370097600012
Publisher	PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
Scopus ID	2-s2.0-84951757841
Fulltext Access	View Full-Text via DOI View Full-Text via Web of Science View Full-Text via Scopus
Citation statistics
Document Type	Journal article
Collection	INSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding Author	Hui K.N.; Hui K.S.; Mane R.S.
Affiliation	1.Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau 2.Department of Mechanical Convergence Engineering, Hanyang University, 17 Haengdang-dong, Seongdong-gu, Seoul 133-791, Republic of Korea 3.School of Materials Science and Engineering, Pusan National University, San 30 Jangjeon-dong, Geumjeong-gu, Busan 609-735, Republic of Korea 4.Centre for Nanomaterials & Energy Devices, School of Physical Sciences, SRTM University, 431606 Nanded, India 5.Department of Chemistry, College of Science, Bld-5, King Saud University, Riyadh, Saudi Arabia
First Author Affilication	INSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding Author Affilication	INSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation GB/T 7714	Hui K.N.,Hui K.S.,Zhang X.L.,et al. Photosensitization of ZnO nanowire-based electrodes using one-step hydrothermally synthesized CdSe/CdS (core/shell) sensitizer[J]. Solar Energy, 2016, 125, 125-134.
APA	Hui K.N.., Hui K.S.., Zhang X.L.., Mane R.S.., & Naushad M. (2016). Photosensitization of ZnO nanowire-based electrodes using one-step hydrothermally synthesized CdSe/CdS (core/shell) sensitizer. Solar Energy, 125, 125-134.
MLA	Hui K.N.,et al."Photosensitization of ZnO nanowire-based electrodes using one-step hydrothermally synthesized CdSe/CdS (core/shell) sensitizer".Solar Energy 125(2016):125-134.

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