Journal
RSC ADVANCES
Volume 8, Issue 15, Pages 8057-8063Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra13683h
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Funding
- National Natural Science Foundation of China [21363011, 21761016]
- Applied Basic Research Foundation of Yunnan Province [2016FD126, 2017FB142]
- Research Foundation of Key New Products of Yunnan Province [2016BA007]
- Research Foundation of Institute of Yunnan Province [2016DC033]
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Silver nanowires (AgNWs) >100 mu m and even 160 mu m in length have been synthesized using a facile and rationally designed solvothermal method by heating preservation at 150 degrees C. The length of the as-synthesized AgNWs is over 4-5 times longer than those previously reported, while the diameter range is from 40 nm to 85 nm. A transparent conducting film (TCF) was fabricated using hydroxyethyl cellulose (HEC) as the adhesive polymer, and it achieved exceptional and stable optoelectronic properties. Its low sheet resistance of similar to 9 Omega sq(-1) (on polyethylene terephthalate, PET) and high optical transmittance of similar to 88% are superior to that of expensive indium tin oxide (ITO) films. More significantly, the AgNW network demonstrates excellent adhesion to PET substrates. This study indicates that ultra-long silver nanowires can serve as an alternative to ITO, which also demonstrates its potential application in flexible electronic devices.
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