Cuprous Oxide – Copper(I) Oxide – Cu2O Diode *WIP* Posted on June 25, 2019August 8, 2019 by adminjane My own experiments and trials at making my own diodes using Cuprous Oxide. Cleaning: Step 1Cleaning: Step 2Heating SetupHeating: First color changeHeating: Side view 1Heating: Side view 2Heating: BlackenedHeating: Red hotHeating: Red hot closeCooling: Cupric oxideCooling: Cupric oxide 2Cooling: Cupric oxide 3 Links https://hackaday.com/2016/05/01/home-made-diodes-from-copper-oxide/ http://halestrom.net/darksleep/blog/011_copper_diodes/ https://hackaday.com/2010/03/05/diy-diodes/ https://en.wikipedia.org/wiki/Copper(I)_oxide#Semiconducting_properties