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- Title
Organic-Stabilizer-Free Polyol Synthesis of Silver Nanowires for Electrode Applications.
- Authors
Sim, Hwansu; Bok, Shingyu; Kim, Bongsung; Kim, Minha; Lim, Guh ‐ Hwan; Cho, Sung Min; Lim, Byungkwon
- Abstract
The polyol reduction of a Ag precursor in the presence of an organic stabilizer, such as poly(vinylpyrrolidone), is a widely used method for the production of Ag nanowires (NWs). However, organic capping molecules introduce insulating layers around each NW. Herein we demonstrate that Ag NWs can be produced in high yield without any organic stabilizers simply by introducing trace amounts of NaCl and Fe(NO3)3 during low-temperature polyol synthesis. The heterogeneous nucleation and growth of Ag NWs on initially formed AgCl particles, combined with oxidative etching of unwanted Ag nanoparticles, resulted in the selective formation of long NWs with an average length of about 40 μm in the absence of a capping or stabilizing effect provided by surface-adsorbing molecules. These organic-stabilizer-free Ag NWs were directly used for the fabrication of high-performance transparent or stretchable electrodes without a complicated process for the removal of capping molecules from the NW surface.
- Subjects
POLYOL synthesis; ELECTRODE reactions; HETEROGENOUS nucleation; SYNTHESIS of nanowires; INDIUM tin oxide
- Publication
Angewandte Chemie, 2016, Vol 128, Issue 39, p11993
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201604980