Saturday, April 9, 2022

Silver nanoprisms grown into structural colors by high power LEDs



How to chemically synthesize silver nanoparticles, then grow them into triangular nanoprisms with light from a variety of LEDs. Each color LED creates a different size nanoprism, which has its own characteristic color.

--

--




CMDITR video: https://www.youtube.com/watch?v=agD5jfXua-o 
Multispectral LED driver on Github: https://github.com/benkrasnow/MultiSpectLED 
Chemicals sourced from Amazon/eBay 
20ml glass vials with PTFE lined cap (do not use metal-lined): Environmental Express APC1675P Already gone from Amazon 
pH pen (this cost more than I remember, but it works really well, and has lasted many years. Cheaper pH pens are often pretty bad) https://www.amazon.com/gp/product/B01ESYG6B0/ 
Comparison of CD, DVD, Blu-ray discs with electron microscope: https://twitter.com/BenKrasnow/status/615327472909840385 
Great way to find related papers: https://www.connectedpapers.com/ 

Support Applied Science on Patreon: https://www.patreon.com/AppliedScience