Abstract
Photon management is an efficient route to ameliorate optical issues for improving the efficiency of solar cells. On account of reflection loss and spectral mismatch for silicon solar cells, we herein firstly demonstrate a photon management of combining antireflection and luminescence down-shifting coatings to simultaneously suppress the reflection of incident light with nanoporous structure and improve the spectra response of silicon solar cells in short wavelength with in-situ fabricated perovskite quantum dots composite film. Antireflection film can be obtained by sacrificing CdxZn1-xSeyS1-y/ZnS quantum dots template in PDMS composite film, which can bring 9.7% improvement in photocurrent for amorphous silicon solar cells. By further combining perovskite quantum dots down-shifting luminescence coating, an absolute improvement of 1.05% in power conversion efficiency was achieved. The photon management combining the antireflection and luminescence down-shifting coatings could provide a low-cost, simple but effective way to address the optical issues and improve the device performance of optoelectronic devices.
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