Improvements in the electroless deposition of Ag nanowires in hot ethylene glycol for resistive touchscreen device
Source abstract
Abstract
Abstract We report several approaches to improve the quality of silver (Ag) nanowires synthesized by electroless deposition in hot ethylene glycol (polyol). Ultralong Ag nanowires with lengths up to 50 μm and about 60 nm in mean diameter were prepared using CuCl2 as stabilizer. Without CuCl2, mostly large Ag particles were produced due to oxidative etching of multiply-twinned Ag seeds. Sonication of the AgNO3/EG solution prior to injection resulted in longer and thinner nanowires. Without these pretreatments, low aspect ratio Ag nanowires mixed with nanoparticles were produced. The Ag nanowire transparent conducting electrode attained a low sheet resistance of 57.4 Ω/sq and high optical transmittance of 90%. A resistive touch screen device with a microcontroller was fabricated to prove the viability of Ag nanowire electrode for optoelectronic device applications. The Ag nanowire electrodes exhibited a resistive characteristic, which varied depending on the point of contact on the touch screen.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Nanomaterials and Printing Technologies · Advanced Sensor and Energy Harvesting Materials · Nanofabrication and Lithography Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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