Non-toxic alternative for transparent touchscreens. The nanofilm can also improve solar panel performance

https://globalventuring.com/corporate/industrial/innovation-china-an-invisible-nanofilm-breakthrough-for-touchscreens/

"silver rnano-thin layer between 2 nano-thin substrates (such as plastic): non-toxic, surface resistance >10X lower than indium tin oxide, low haze, high flexibility, 91% transparency... roll-to-roll magnetron sputtering metal vapor deposition... solar panel increased efficiency/ no failure, increased display performance, increased energy efficiency of buildings/ cars reflecting 90% of IR without blocking visible light,,, flexible/ transparent electrodes for touchscreens and color-changing windows. laser TVs' reflective surface "

Related: Transparent solar cells achieve efficiency boost
https://innovationorigins.com/en/transparent-solar-cells-achieve-efficiency-boost/