| 스프레이 코팅법으로 증착된 은나노선의 특성에 미치는 분산용매의 영향 |
| 최지혜, 장아연, 김정희, 정중희, 홍기하 |
| 한밭대학교 신소재공학과 |
| Effects of Dispersion Solvent on the Spray Coating Deposition of Silver Nanowires |
| Ji-Hye Choe, A-Yeon Jang, Jeong-Heui Kim, Choong-Heui Chung, Ki-Ha Hong |
| Department of Materials Science and Engineering, Hanbat National University, Daejeon 34158, Republic of Korea |
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Received: 13 December 2016; Accepted: 11 February 2017. Published online: 4 July 2017. |
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| ABSTRACT |
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Silver nanowire (AgNWs) networks offer a promising approach for producing cost effective transparent electrode materials. However, high temperature annealing is necessary to achieve low sheet resistance, which limits the use of AgNWs for low temperature processing applications such as flexible electronics, and perovskites solar cell fabrication. This study shows that the low temperature processing of efficient AgNW electrodes can be achieved with the choice of an appropriate dispersion solvent. Ethanol shows promising behaviors over IPA by forming uniform percolation networks even without thermal annealing. The key factors affecting percolation uniformity are the solubility of organic contaminants and the viscosity of the solvent which determines the droplet sizes. This study contributes to future studies of transparent conductors and flexible devices. |
| Keywords:
transparent conductors, silver nanowires, spray coating, dispersion solvent, annealing |
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