| 학회 |
한국고분자학회 |
| 학술대회 |
2017년 가을 (10/11 ~ 10/13, 제주컨벤션센터) |
| 권호 |
42권 2호 |
| 발표분야 |
고분자 차세대 센서 기술(영어발표) |
| 제목 |
Enhanced Performance of Organic Transistor Sensors using Porous Films |
| 초록 |
We reported an effort to improve the sensitivity and selectivity of organic-transistor sensors using porous polymer film. A facile and controllable phase-separation route using polymer semiconductor blends for fabricating microporous semiconductor films is proposed. The microporous film-based gas sensor exhibited excellent selectivity to ammonia with a detection limitation of 0.5 ppm, a high sensitivity of over 800 at 10 ppm NH3, and response / recovery time of few seconds. We also demonstrated a sensor modified with molecularly imprinted polymer (MIP), a porous film with empty cavities complementing the analyte molecules in terms of size, shape and functionality, for specifically recognizing ascorbic acid (AA). The MIP sensor exhibited excellent specific recognition ability to AA which could avoid the interference of other structurally similar compounds, such as aspartic acid, glucose, uric acid and glycine. |
| 저자 |
Longzhen Qiu, Lijun Zhang, Guobing Zhang, Shaohua Wu, Qinghe Wang
|
| 소속 |
Hefei Univ. of Technology |
| 키워드 |
|
| E-Mail |
|
