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Issue 11, 2014
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A highly crystalline single Au wire network as a high temperature transparent heater

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Abstract

A transparent conductor which can generate high temperatures finds important applications in optoelectronics. In this article, a wire network made of Au on quartz is shown to serve as an effective high temperature transparent heater. The heater has been fabricated by depositing Au onto a cracked sacrificial template. The highly interconnected Au wire network thus formed exhibited a transmittance of ∼87% in a wide spectral range with a sheet resistance of 5.4 Ω □−1. By passing current through the network, it could be joule heated to ∼600 °C within a few seconds. The extraordinary thermal performance and stability owe much to the seamless junctions present in the wire network. Furthermore, the wire network gets self-annealed through joule heating as seen from its increased crystallinity. Interestingly, both transmittance and sheet resistance improved following annealing to 92% and 3.2 Ω □−1, respectively.

Graphical abstract: A highly crystalline single Au wire network as a high temperature transparent heater

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Article information


Submitted
17 Feb 2014
Accepted
23 Mar 2014
First published
27 Mar 2014

Nanoscale, 2014,6, 5645-5651
Article type
Communication

A highly crystalline single Au wire network as a high temperature transparent heater

K. D. M. Rao and G. U. Kulkarni, Nanoscale, 2014, 6, 5645
DOI: 10.1039/C4NR00869C

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