Uploaded April 2022 | Updated September 2026, 2 weeks ago

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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: youtube.com/watch?v=agD5jfXua-o

Multispectral LED driver on Github: github.com/benkrasnow/MultiSpectLED

Chemicals sourced from Amazon/eBay

LR-1 spectrometer: aseq-instruments.com/LR1.html

Micropipette set: amazon.com/gp/product/B06XJY82N3 amazon.com/gp/product/B01KO7MCCC

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) amazon.com/gp/product/B01ESYG6B0

Comparison of CD, DVD, Blu-ray discs with electron microscope:
twitter.com/BenKrasnow/status/615327472909840385

Great way to find related papers:
connectedpapers.com
Research sources:
youtube.com/watch?v=agD5jfXua-o
https://sci-hub.se/https://doi.org/10.1002/anie.200604637
https://sci-hub.se/10.1038/nature01937
https://sci-hub.se/10.1126/science.1066541
https://sci-hub.se/10.1002/smll.200801480
https://sci-hub.se/10.1039/b302943c
opg.optica.org/oe/fulltext.cfm?uri=oe-20-28-29923&id=247745
rsc.org/suppdata/nr/c4/c4nr06901c/c4nr06901c1.pdf
https://sci-hub.se/10.1039/C4NR06901C
https://sci-hub.se/10.1155/2018/1781389
cytodiagnostics.com/pages/silver-nanoparticles-handling-and-storage

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