Preprint Article Version 1 This version is not peer-reviewed

ITO-Free Transparent Organic Solar Cell with Distributed Bragg Reflector for Solar Harvesting Windows

Version 1 : Received: 8 May 2017 / Approved: 9 May 2017 / Online: 9 May 2017 (11:09:37 CEST)

A peer-reviewed article of this Preprint also exists.

Peng, Y.; Zhang, L.; Cheng, N.; Andrew, T.L. ITO-Free Transparent Organic Solar Cell with Distributed Bragg Reflector for Solar Harvesting Windows. Energies 2017, 10, 707. Peng, Y.; Zhang, L.; Cheng, N.; Andrew, T.L. ITO-Free Transparent Organic Solar Cell with Distributed Bragg Reflector for Solar Harvesting Windows. Energies 2017, 10, 707.

Journal reference: Energies 2017, 10, 707
DOI: 10.3390/en10050707

Abstract

We demonstrated an ITO-free, highly transparent organic solar cell with the potential to be integrated into window panes for energy harvesting purposes. A transparent, conductive ZnO/Ag/ZnO multilayer electrode and a Ag:Ca thin film electrode were used in this transparent device as the bottom and top electrode, respectively. To further improve the transmittance of the solar cell, the thickness of the top ZnO layer was investigated by both experiment and simulation. An average visible transmittance of > 60% was reached, with a maximum transmittance of 73% at 556 nm. Both top and bottom illumination of the solar cell generated comparable power conversion efficiencies, which indicates the wide application of this solar cell structure. In addition, we fabricated distributed Bragg reflector mirrors with sputtered SiO2 and TiO2, which efficiently increased the power conversion efficiency over 20% for the solar cells on glass and PET substrates,

Subject Areas

transparent electrode; organic photovoltaic; distributed Bragg reflector

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