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31‐2: Invited Paper: Silver Nanowire Transparent Conductive Films for Flexible/Foldable Devices
Author(s) -
Dai Haixia,
Spaid Michael
Publication year - 2018
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.12583
Subject(s) - materials science , bend radius , sheet resistance , nanowire , ohm , electrical conductor , composite material , optoelectronics , flexible display , nanotechnology , bending , layer (electronics) , thin film transistor , electrical engineering , engineering
In this paper we will report a superior transparent conductive ITO‐alternative material, ClearOhm® ink, developed by Cambrios Advanced Materials Corporation. ClearOhm® ink consists of a formulated dispersion of silver nanowires, which can be wet coated or printed to form a transparent conductive film. The coated film can achieve a wide range of sheet resistance from 5 to 300 ohms/square. Coatings on flexible PET film have excellent optical properties: > 91% total transmission and < 0.4 % total haze at 40 ohms/square or higher. The coated film can bend through a 1 mm bending radius for more than 350,000 cycles and stretch up to 4% strain with less than 10% resistance change, thus enabling emerging flexible/foldable displays. ClearOhm® silver nanowire films have been engineered for robust reliability. In this paper, we discuss the environmental stability of ClearOhm® silver nanowire films in accelerated aging tests, including the elimination of silver nanowire photo‐oxidation when exposed to UV light such as sunlight.

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