title: Fabrication of high aspect ratio nanogrid transparent electrodes via capillary assembly of Ag nanoparticles.
abstract: In this report, we describe the fabrication of periodic Ag nanogrid electrodes by capillary assembly of silver nanoparticles (AgNPs) along patterned nanogrid templates. By assembling the AgNPs into these high-aspect-ratio nanogrid patterns, we can obtain high-aspect-ratio nanogratings, which can overcome the inherent trade-off between the optical transmittance and the sheet resistance of transparent electrodes. The junction resistance between the AgNPs is effectively reduced by photochemical welding and post-annealing. The fabricated high-aspect-ratio nanogrid structure with a line width of 150 nm and a height of 450 nm has a sheet resistance of 15.2 Ω sq(-1) and an optical transmittance of 85.4%.
authors.affiliation: Graduate School of Energy, Environment, Water, and Sustainability (EEWS), Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Republic of Korea. jungyong.lee@kaist.ac.kr.
authors.forename: Juhoon
authors.initials: J
authors.lastname: Kang
authors.forename: Chang-Goo
authors.initials: CG
authors.lastname: Park
authors.forename: Su-Han
authors.initials: SH
authors.lastname: Lee
authors.forename: Changsoon
authors.initials: C
authors.lastname: Cho
authors.forename: Dae-Geun
authors.initials: DG
authors.lastname: Choi
authors.forename: Jung-Yong
authors.initials: JY
authors.lastname: Lee