Dual modification on hematite to minimize small polaron effects and charge recombination for sustainable solar water splitting

Author:

Verissimo Nathália C.1,Pires Fabio A.12ORCID,Rodríguez-Gutiérrez Ingrid13,Bettini Jefferson1,Fiuza Tanna E. R.1ORCID,Biffe Cleyton A.1,Montoro Fabiano E.1ORCID,Schleder Gabriel R.14ORCID,Castro Ricardo H. R.15ORCID,Leite Edson R.16ORCID,Souza Flavio L.123ORCID

Affiliation:

1. Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM) – Campinas, SP, Brazil

2. Institute of Chemistry, State University of Campinas (UNICAMP) – Campinas, SP, Brazil

3. Center for Natural and Human Sciences, Federal University of ABC (UFABC) – Santo André, SP, Brazil

4. John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA

5. Department of Materials Science and Engineering, Lehigh University, Bethlehem, Pennsylvania, USA

6. Departamento de Química, Universidade Federal de São Carlos, 13565-905, Brazil

Abstract

A dual-modification strategy enables the design of hematite with synergistic Al3+ bulk doping and Zr4+ interfacial segregation for improved performance as a photoanode.

Funder

Fundação de Amparo à Pesquisa do Estado de São Paulo

Conselho Nacional de Desenvolvimento Científico e Tecnológico

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

Agência Nacional do Petróleo, Gás Natural e Biocombustíveis

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

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