Plasmon-induced near-infrared electrochromism based on transparent conducting nanoparticles: Approximate performance limits | Zendy

Shuyi Li | Zendy; Gunnar A. Niklasson | Zendy; ClaesGöran Granqvist | Zendy

Open Access

Plasmon-induced near-infrared electrochromism based on transparent conducting nanoparticles: Approximate performance limits

Author(s) -

Shuyi Li,

Gunnar A. Niklasson,

ClaesGöran Granqvist

Publication year - 2012

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4739792

Subject(s) - electrochromism , plasmon , materials science , transmittance , optoelectronics , nanoparticle , plasmonic nanoparticles , band gap , nanotechnology , optics , chemistry , electrode , physics

Electrochromism can be induced in electrochemically post-treated nanoparticles of wide band gap transparent conductors. We model this recently observed phenomenon by effective medium theory applied to nanoparticles of In2O3:Sn, which are represented as a free-electron plasma with tin ions screened according to the random phase approximation corrected for electron exchange. This semi-quantitative theory is used to derive approximate performance limits showing that high luminous transmittance (e.g., 60%) can be combined with efficient absorption of solar energy and concomitant low solar transmittance (similar to 34%), thereby documenting that plasmonic electrochromism is of interest for energy efficient fenestration

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