Ultrathin Ta2O5 electron-selective contacts for high efficiency InP solar cells

Author:

Narangari Parvathala Reddy12345,Karuturi Siva Krishna12345ORCID,Wu Yiliang6345ORCID,Wong-Leung Jennifer12345ORCID,Vora Kaushal78910,Lysevych Mykhaylo12345,Wan Yimao6345,Tan Hark Hoe12345ORCID,Jagadish Chennupati12345,Mokkapati Sudha7891011

Affiliation:

1. Department of Electronic Materials Engineering

2. Research School of Physics and Engineering

3. Australian National University

4. Canberra

5. Australia

6. Research School of Engineering

7. School of Physics and Astronomy

8. Cardiff University

9. Cardiff

10. UK

11. Department of Materials Science and Engineering

Abstract

This work demonstrates stoichiometric Ta2O5 ultrathin layer as a novel and efficient electron-selective contact for planar InP heterojunction solar cells achieving an efficiency of 19.1% and a highest ever reported open circuit voltage of 822 mV.

Funder

Australian Research Council

Australian Renewable Energy Agency

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science

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