Preparation of Titania-based pH Sensors by Electrospinning Deposition

Autor:	Jia-weiGuo, 郭家瑋
Rok vydání:	2017
Druh dokumentu:	學位論文 ; thesis
Popis:	105 Titania films based extended gate field-effect transistor (EGFET) pH sensors were fabricated in this work. Experimentally, titania films were deposited on FTO substrate by electrospinning. The influences of preparation parameters including PVP concentration in electrospinning solution, working voltage and collection time on the surface morphology, crystalline structure and sheet resistance of TiO2 films were investigated. Furthermore, sensing performances of resulting TiO2 devices toward pH were also studied. Among all studied devices, the best NF device obtained at working voltage of 5 kV exhibited a sensitivity of 75.16 mV/pH. Whereas, the best NP device obtained at working voltage of 10 kV exhibited a superior sensing sensitivity of 79.73 mV/pH at 20 oC.
Databáze:	Networked Digital Library of Theses & Dissertations
Externí odkaz:	http://ndltd.ncl.edu.tw/handle/965k5x Zobrazit plný text záznamu