Self-Assembled Nanodot Fabrication by Using Diblock Copolymer

Abstract:

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In this study, we investigate self-assembled large-area nanodot fabrication on a silicon substrate using poly(styrene)-poly(dimethyl-siloxane) (PS-PDMS) for the application to quantum dot solar cell. By optimizing the PS-PDMS concentration by 2% and the volume of PS-PDMS solutions by 20 μL/cm2 dropped to silicon substrate, nanodots with a pitch size of 33 nm and a diameter of 23 nm are achieved with the molecular weight of 30,000-7,500. It is found that the dropped volume of PS-PDMS solution correlated to the thickness of spin-coated PS-PDMS layer has a great effect on the size and the pattern morphology.

Info:

Periodical:

Edited by:

Osamu Hanaizumi and Masafumi Unno

Pages:

120-123

DOI:

10.4028/www.scientific.net/KEM.459.120

Citation:

M. Huda et al., "Self-Assembled Nanodot Fabrication by Using Diblock Copolymer", Key Engineering Materials, Vol. 459, pp. 120-123, 2011

Online since:

December 2010

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$35.00

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