Nguyen, Nang Dinh and Lam, Minh Long (2017) CONJUGATE POLYMER PEDOT:PSS INCORPORATED WITH NANO-PARTICLES USED FOR GAS SENSIN. VNU Journal of Science . pp. 81-90. ISSN 0866-8612
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Abstract
Poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) incorporated with nanocrystalline TiO2 (PEDOT:PSS+nc-TiO2) and silver nanoparticles (PEDOT:PSS+AgNP) films were prepared by a spin-coating technique. AFM and FE-SEM surface morphologies, UV-Vis spectra and NH3 gas sensing characteristic of the composite films were studied. The results showed that the PEDOT:PSS+nc-TiO2 film with a content of 7.0 wt.% of TiO2 is suitable for both the hole transport layer and the NH3 sensing characteristic. The response time of the sensor made from this composite film reached a value as fast as 30 s. The rapid response to NH3 gas could be attributed to the efficient movement of holes as the major charge carriers in the PEDOT:PSS+nc-TiO2 composite films. Useful applications in the organic electronic devices like light emitting diodes and gas thin film sensors can be envisaged.
| Item Type: | Article |
|---|---|
| Subjects: | Engineering Physics |
| Divisions: | Faculty of Engineering Physics and Nanotechnology (FEPN) |
| Depositing User: | Dinh Tu Bui |
| Date Deposited: | 27 Dec 2017 01:24 |
| Last Modified: | 27 Dec 2017 01:24 |
| URI: | http://eprints.uet.vnu.edu.vn/eprints/id/eprint/2859 |
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