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Selective growth of ZnO nanorods on microgap electrodes and their applications in UV sensors

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Main Authors: Qazi Mohammad, Humayun, Muhammad Kashif, Muhammad Faroow, Uda, Hashim, Prof. Dr., Ahsanulhaq, Qurashi
Other Authors: qhumayun2@gmail.com
Format: Article
Language:English
Published: Springer 2014
Subjects:
Wet etching
ZnO nanorods
Microgap
Photocurrent
Photoresponse
Low-power UV sensor
Online Access:http://dspace.unimap.edu.my:80/dspace/handle/123456789/35409
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spelling my.unimap-354092014-06-12T04:22:52Z Selective growth of ZnO nanorods on microgap electrodes and their applications in UV sensors Qazi Mohammad, Humayun Muhammad Kashif, Muhammad Faroow Uda, Hashim, Prof. Dr. Ahsanulhaq, Qurashi qhumayun2@gmail.com Wet etching ZnO nanorods Microgap Photocurrent Photoresponse Low-power UV sensor Link to publisher's homepage at http://www.springer.com Selective area growth of ZnO nanorods is accomplished on microgap electrodes (spacing of 6μm) by using a facile wet chemical etching process. The growth of ZnO nanorods on a selected area of microgap electrode is carried out by hydrothermal synthesis forming nanorod bridge between two electrodes. This is an attractive, genuine, direct, and highly reproducible technique to grow nanowire/nanorod onto the electrodes on selected area. The ZnO nanorods were grown at 90°C on the pre-pa tterned electrode system without destroying the electrode surface structure interface and geometry. The ZnO nanorods were tested for their application in ultraviolet (UV) sensors. The photocurrent-to-dark (Iph/Id) ratio was 3.11. At an applied voltage of 5 V, the response and recovery time was 72 and 110 s, respectively, and the response reached 2 A/W. The deposited ZnO nanorods exhibited a UV photoresponse that is promising for future cost-effective and low-power electronic UV-sensing applications 2014-06-12T04:22:52Z 2014-06-12T04:22:52Z 2014-01 Article Nanoscale Res Letters, vol.9 (1), 2014, pages 29 1556-276X http://dspace.unimap.edu.my:80/dspace/handle/123456789/35409 http://creativecommons.org/licenses/by/2.0/ http://www.ncbi.nlm.nih.gov/pubmed/24423232 10.1186/1556-276X-9-29 en Springer
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Wet etching
ZnO nanorods
Microgap
Photocurrent
Photoresponse
Low-power UV sensor
spellingShingle Wet etching
ZnO nanorods
Microgap
Photocurrent
Photoresponse
Low-power UV sensor
Qazi Mohammad, Humayun
Muhammad Kashif, Muhammad Faroow
Uda, Hashim, Prof. Dr.
Ahsanulhaq, Qurashi
Selective growth of ZnO nanorods on microgap electrodes and their applications in UV sensors
description Link to publisher's homepage at http://www.springer.com
author2 qhumayun2@gmail.com
author_facet qhumayun2@gmail.com
Qazi Mohammad, Humayun
Muhammad Kashif, Muhammad Faroow
Uda, Hashim, Prof. Dr.
Ahsanulhaq, Qurashi
format Article
author Qazi Mohammad, Humayun
Muhammad Kashif, Muhammad Faroow
Uda, Hashim, Prof. Dr.
Ahsanulhaq, Qurashi
author_sort Qazi Mohammad, Humayun
title Selective growth of ZnO nanorods on microgap electrodes and their applications in UV sensors
title_short Selective growth of ZnO nanorods on microgap electrodes and their applications in UV sensors
title_full Selective growth of ZnO nanorods on microgap electrodes and their applications in UV sensors
title_fullStr Selective growth of ZnO nanorods on microgap electrodes and their applications in UV sensors
title_full_unstemmed Selective growth of ZnO nanorods on microgap electrodes and their applications in UV sensors
title_sort selective growth of zno nanorods on microgap electrodes and their applications in uv sensors
publisher Springer
publishDate 2014
url http://dspace.unimap.edu.my:80/dspace/handle/123456789/35409
_version_ 1643797786505773056
score 13.211869

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