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Mirror‐Image Photoswitching of Individual Single‐Walled Carbon Nanotube Transistors Coated with Titanium Dioxide |
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| Authors: | Song Liu Jianming Li Qian Shen Yang Cao Xuefeng Guo Prof. Guoming Zhang Chaoqun Feng Jin Zhang Prof. Zhongfan Liu Prof. Michael L. Steigerwald Dr. Dongsheng Xu Prof. Colin Nuckolls Prof. |
| Affiliation: | 1. Center for Nanochemistry, Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871 (P. R. China), Fax: (+86)?10‐6275‐7789;2. Department of Chemistry and the Columbia University Center for Electronics of Molecular Nanostructures, Columbia University, New York, NY 10027 (USA) |
| Abstract: | Dotting the i's : Stimuli‐responsive optoelectronic devices are formed from the title transistors functionalized with photoactive quantum dots. The p‐type semiconducting tubes show a fast current decrease under UV irradiation and reversibility when the UV irradiation is switched off. In contrast, ambipolar tubes show mirror‐image photoswitching effects when negative and positive gate bias voltages are applied.  |
| Keywords: | field‐effect transistors nanostructures nanotubes photoswitching titanium |