ZnO nanorod arrays fabricated by hydrothermal method using different thicknesses of seed layers for applications in hybrid photovoltaic cells
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Author list: Arpavate W., Chuangchote S., Laosiripojana N., Wootthikanokkhan J., Sagawa T.
Publisher: Scientific Publishing Division Myu
Publication year: 2016
Journal: Sensors and Materials (0914-4935)
Volume number: 28
Issue number: 5
Start page: 403
End page: 408
Number of pages: 6
ISSN: 0914-4935
Languages: English-Great Britain (EN-GB)
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Abstract
ZnO nanorod arrays have been synthesized on seed-coated indium tin oxide (ITO) substrates by a hydrothermal method from different thicknesses of seed layers. The ZnO nanorods obtained were investigated by scanning electron microscopy (SEM) to study the influence of different seed layer thicknesses on the orientation of the nanorods. The diameter of ZnO nanorods increased with increasing seed layer thickness. An X-ray diffractometer was used to verify the formation of ZnO nanorods on ITO. Well-aligned ZnO nanorods from various seed layer thicknesses were used as electron transporting layers in hybrid photovoltaic cells. Photovoltaic properties and power conversion efficiency (PCE) of devices made of ZnO nanorod arrays were investigated. PCE of up to 1.02% can be achieved from a cell made of ZnO nanorods grown on two suitable seed layers. ฉ MYU K.K.
Keywords
Hybrid photovoltaic cell, Hydrothermal method, Seed layer, Zinc oxide nanorods
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