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Title: Large-area semi-transparent light-sensitive nanocrystal skins
Authors: Akhavan, Shahab
Guzelturk, Burak
Sharma, Vijay Kumar
Demir, Hilmi Volkan
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2012
Source: Akhavan, S., Guzelturk, B., Sharma, V. K., & Demir, H. V. (2012). Large-area semi-transparent light-sensitive nanocrystal skins. Optics Express, 20(23), 25255-25266.
Series/Report no.: Optics express
Abstract: We report a large-area, semi-transparent, light-sensitive nanocrystal skin (LS-NS) platform consisting of single monolayer colloidal nanocrystals. LS-NS devices, which were fabricated over areas up to 48 cm2 using spray-coating and several cm-squares using dip-coating, are operated on the principle of photogenerated potential buildup, unlike the conventional charge collection. Implementing proof-of-concept devices using CdTe nanocrystals with ligand removal, we observed a substantial sensitivity enhancement factor of ~73%, accompanied with a 3-fold faster response time (<100 ms). With fully sealed nanocrystal monolayers, LS-NS is found to be highly stable under ambient conditions, promising for low-cost large-area UV/visible sensing in windows and facades of smart buildings.
ISSN: 1094-4087
DOI: 10.1364/OE.20.025255
Schools: School of Electrical and Electronic Engineering 
School of Physical and Mathematical Sciences 
Rights: © 2012 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles
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