Figure S1. Left: LED, potentiostat, and fiber-spectrometer. Top, right: thin-film cell with cell holder and coverage. Bottom: opaque (left) and transparent SPE (right).

From

Spectroelectrochemistry of Electrochromic and Electroluminescent Substances with Screen-Printed Electrodes and with an Optically Transparent Platinum Mesh Electrode

Achim Habekost

World Journal of Chemical Education. 2020, 8(2), 71-86 doi:10.12691/wjce-8-2-3