Tiny holes turn silicon solar cells transparent, Research

South Korean researchers hope their new design for silicon solar cells may one day replace windows

Semi-Transparent Perovskite Solar Cells Could Turn Windows into Power Generators

Flexible and Semi-Transparent Silicon Solar Cells as a Power Supply to Smart Contact Lenses

It so happens that punching holes in opaque solar cells turns them transparent

Transparent photovoltaic cells and self-powered photodetectors by TiO2/NiO heterojunction - ScienceDirect

Solar cell - Wikipedia

Transparent Solar Panels Are Key to a Greener Future, by Kolej Yayasan UEM Research Institute

Thin-film solar cell - Wikipedia

Transparent, flexible solar cells, MIT News

Tiny holes turn silicon solar cells transparent, Research

Next-generation applications for integrated perovskite solar cells

Transparent Thin-Film Silicon Solar Cells for Indoor Light Harvesting with Conversion Efficiencies of 36% without Photodegradation