Nano Archive

Single-crystalline Bi2S3 nanowire network film and its optical switches

Bao, Haifeng and Li, Chang Ming and Cui, Xiaoqiang and Song, Qunliang and Yang, Hongbin and Guo, Jun (2008) Single-crystalline Bi2S3 nanowire network film and its optical switches. NANOTECHNOLOGY, 19 (33).

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A single-crystalline bismuth sulfide (Bi2S3) nanowire network film at a centimeter scale is fabricated by the facile hydrothermal method. The Bi2S3 film is easily tape-transferred onto a soft plastic substrate, and is further used to fabricate optical switches by screen-printing an Ag electrode array on its top. Our studies demonstrate that the Bi2S3 nanowire network has a pronounced increase in conductance upon exposure to visible light, and possesses a very fast response time of about 2 ms. This work provides a simple and economic method to fabricate a high performance optical switch array and could offer great potential for a low cost, mass-manufacturing process.

Item Type:Article
Subjects:Material Science > Nanofabrication processes and tools
Physical Science > Nanoelectronics
Material Science > Nanochemistry
Material Science > Nanostructured materials
ID Code:1224
Deposited By:Anuj Seth
Deposited On:16 Dec 2008 11:02
Last Modified:19 Jan 2009 11:38

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