| 초록 |
We developed the highly sensitive and transparent and reliable “VOC gas senor films” based on a composite of functionalized Polypyrrole-SWCNT nanocomposites (PA-PPY-SWCNT Complex) with Ag NW hybrid networks electrode. In this work, the hybrid nano-particles of PA-complexed PPy and SWCNT as effective VOC gas sensing materials were also synthesized by incorporating PA into the conductive PPy backbone, which was hybridized with the SWCNT. These PA-PPY-SWCNT Complex NPs exhibited high reactivity of 0.1 ppm ammonia gas even at a low temperature of 25°C and also maintained reproducibility and reversibility when repeatedly exposure to ammonia gas. In particular, sensitivity changes were controlled within 5% even under 20 to 80% RH (Relative Humidity) conditions. |
