Enhanced black state induced by spatial silver nanoparticles in an electrochromic device
SCIE
SCOPUS
- Title
- Enhanced black state induced by spatial silver nanoparticles in an electrochromic device
- Authors
- Jeong, Ki Ryong; Lee, Illhwan; Park, Jae Yong; Choi, Chung Sock; Cho, Sang-Hwan; Lee, Jong-Lam
- Date Issued
- 2017-03
- Publisher
- Nature Publishing Group
- Abstract
- The use of three-dimensional (3D) hierarchical indium tin oxide (ITO) branches of electrochromic devices (ECDs) is an effective approach for increasing the optical properties via localized surface plasmon resonance compared with two- dimensional nanostructured electrodes. ECDs with 3D branches were designed to operate in transparent, mirror and black states. Finite- difference time- domain simulation was used to find the electrical field distributions in three types of ECD: glass/ITO with Ag film, glass/ITO branches and glass/ITO branches with Ag nanoparticles. The ECDs had an optical transmittance of 73.76% in the transparent state, a reflectance of 79.77% in the mirror state and a reflectance of 8.78% in the black state. We achieved an ECD with high stability that can show similar to 10 000 switching cycles among the three states.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/50691
- DOI
- 10.1038/am.2017.25
- ISSN
- 1884-4049
- Article Type
- Article
- Citation
- NPG Asia Materials, vol. 9, 2017-03
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