As others have pointed out, not QD solar cells. Per NREL:
The quantum dot (QD) windows are unique in the way they generate energy. The QD-laminated glass absorbs sunlight, then the glow from the QDs is trapped in the glass by total internal reflection, similar to how a fiber optic cable guides light. The light is then guided to the edges where silicon solar cells are located. This approach is called a “luminescent solar concentrator.”
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