Please use this identifier to cite or link to this item: https://doi.org/10.1039/c2jm16698d
Title: Efficient multispectral photodetection using Mn doped ZnO nanowires
Authors: Prabhakar, R.R.
Mathews, N.
Jinesh, K.B.
Karthik, K.R.G.
Pramana, S.S.
Varghese, B. 
Sow, C.H. 
Mhaisalkar, S.
Issue Date: 21-May-2012
Citation: Prabhakar, R.R., Mathews, N., Jinesh, K.B., Karthik, K.R.G., Pramana, S.S., Varghese, B., Sow, C.H., Mhaisalkar, S. (2012-05-21). Efficient multispectral photodetection using Mn doped ZnO nanowires. Journal of Materials Chemistry 22 (19) : 9678-9683. ScholarBank@NUS Repository. https://doi.org/10.1039/c2jm16698d
Abstract: Crystalline Mn doped ZnO nanowires were synthesized by chemical vapour deposition. The presence of Mn dopant was confirmed by X-Ray diffraction, Raman spectroscopy, transmission electron microscopy and X-Ray photoelectron spectroscopy. The photoconductivity of an individual Mn doped ZnO nanowire was investigated under different visible light excitations (532 and 405 nm). The nanowire exhibited high dark to photocurrent ratios (∼50), fast photocurrent response (∼100-250 ms), and reasonably high responsivity and external quantum efficiencies with good repeatability under different visible light illuminations. These results indicate that Mn doped ZnO nanowires would be promising for efficient multispectral photodetectors and optical switches. © 2012 The Royal Society of Chemistry.
Source Title: Journal of Materials Chemistry
URI: http://scholarbank.nus.edu.sg/handle/10635/96383
ISSN: 09599428
DOI: 10.1039/c2jm16698d
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