| Title |
Effects of Dispersion Solvent on the Spray Coating Deposition of Silver Nanowires |
| Authors |
최지혜(Ji-hye Choe); 장아연(A-yeon Jang); 김정희(Jeong-heui Kim); 정중희(Choong-heui Chung); 홍기하(Ki-ha Hong) |
| DOI |
https://doi.org/10.3365/KJMM.2017.55.7.509 |
| ISSN |
1738-8228(ISSN), 2288-8241(eISSN) |
| Keywords |
transparent conductors; silver nanowires; spray coating; dispersion solvent; annealing |
| Abstract |
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. (Received December 13, 2016; Accepted February 11, 2017) |