NDLI: Photovoltaic measurements in carbon nanotube - amorphous silicon core/shell nanowire

Content Provider	IEEE Xplore Digital Library
Author	Hang Zhou Lentaris, G. Hiralal, P. Butler, T. Unalan, E. Amaratunga, G. Colli, A.
Copyright Year	2012
Description	Author affiliation: School of Information Engineering, Peking University Shenzhen Graduate School, 518055, China (Hang Zhou) \|\| Center for Advanced Photonic and Electronics, Engineering Department, University of Cambridge, CB3 0FA, UK (Lentaris, G.; Hiralal, P.; Butler, T.; Unalan, E.; Amaratunga, G.) \|\| Nokia Research Center, Cambridge, CB3 0FA, UK (Colli, A.)
Abstract	Carbon nanotube is one of the promising materials for exploring new concepts in solar energy conversion and photon detection. Here, we report the first experimental realization of a single core/shell nanowire photovoltaic device (2–4°m) based on carbon nanotube and amorphous silicon. Specifically, a multi-walled carbon nanotube (MWNTs) was utilized as the metallic core, on which n-type and intrinsic amorphous silicon layers were coated. A Schottky junction was formed by sputtering a transparent conducting indium-tin-oxide layer to wrap the outer shell of the device. The single coaxial nanowire device showed typical diode ratifying properties with turn-on voltage around 1V and a rectification ratio of ∼104 when biased at ±2V. Under illumination, it gave an open circuit voltage of ∼0.26V. Our study has shown a simple and useful platform for gaining insight into nanowire charge transport and collection properties. Fundamental studies of such nanowire device are important for improving the efficiency of future nanowire solar cells or photo detectors.
Starting Page	001944
Ending Page	001947
File Size	1042039
Page Count	4
File Format	PDF
ISBN	9781467300643
ISSN	01608371
e-ISBN	9781467300667
DOI	10.1109/PVSC.2012.6317976
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Nanoscale devices Photovoltaic cells Amorphous silicon Photovoltaic systems Carbon nanotubes Core/Shell Structure Nanowire Photodiode Carbon Nanotube
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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