Direct solar to hydrogen conversion enabled by silicon photocathodes with carrier selective passivated contacts

Author:

Sharma Astha1ORCID,Duong The1ORCID,Liu Peng2,Soo Joshua Zheyan3,Yan Di1,Zhang Doudou1ORCID,Riaz Asim3ORCID,Samundsett Christian1,Shen Heping1ORCID,Yang Cheng2ORCID,Karuturi Siva Krishna13ORCID,Catchpole Kylie1,Beck Fiona J.1ORCID

Affiliation:

1. School of Engineering, The Australian National University, Canberra, ACT 2601, Australia

2. Division of Energy and Environment, Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China

3. Department of Electronic Materials Engineering, ANU Research School of Physics and Engineering, The Australian National University, Canberra, ACT 2601, Australia

Abstract

Si photocathode with industrially relevant charge selective passivation and physically deposited earth-abundant catalyst is developed with an efficiency above 10%. Solar-to-hydrogen efficiency of 17% is achieved by combining perovskite PV in tandem.

Funder

Australian Renewable Energy Agency

Australian Research Council

Australian Centre for Advanced Photovoltaics

Guangdong Science and Technology Department

Publisher

Royal Society of Chemistry (RSC)

Subject

Energy Engineering and Power Technology,Fuel Technology,Renewable Energy, Sustainability and the Environment

Reference65 articles.

1. K.Rajeshwar , R.McConnell , and S.Licht , Solar Hydrogen Generation , Springer . 2008

2. Rational Integration of Photovoltaics for Solar Hydrogen Generation

3. F. J. B.Astha Sharma , Quantifying and Comparing Fundamental Loss Mechanisms to Enable Solar-to-Hydrogen Conversion Efficiencies above 20% Using Perovskite–Silicon Tandem Absorbers , Advanced energy and sustainability research 2020

4. B. D.James , et al. , Technoeconomic Analysis of Photoelectrochemical (PEC) Hydrogen Production , DOE report, 2009

5. Silicon based photoelectrodes for photoelectrochemical water splitting

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