Complete structure and cation orientation in the perovskite photovoltaic methylammonium lead iodide between 100 and 352 K.

Weller, Mark T; Weber, Oliver J; Henry, Paul F; Di Pumpo, Antonietta M; Hansen, Thomas C

Weller, Mark T; Weber, Oliver J; Henry, Paul F; Di Pumpo, Antonietta M; Hansen, Thomas C.

Afiliação

Weller MT; Department of Chemistry and Centre for Sustainable Technologies, University of Bath, Claverton Down, Bath, BA2 7AY, UK. m.t.weller@bath.ac.uk.
Weber OJ; Department of Chemistry and Centre for Sustainable Technologies, University of Bath, Claverton Down, Bath, BA2 7AY, UK. m.t.weller@bath.ac.uk.
Henry PF; European Spallation Source ESS AB, P.O Box 176, SE-221 00 Lund, Sweden.
Di Pumpo AM; Department of Chemistry and Centre for Sustainable Technologies, University of Bath, Claverton Down, Bath, BA2 7AY, UK. m.t.weller@bath.ac.uk and Institut Laue Langevin, 71 Avenue des Martyrs, 38000 Grenoble, France.
Hansen TC; Institut Laue Langevin, 71 Avenue des Martyrs, 38000 Grenoble, France.

Chem Commun (Camb) ; 51(20): 4180-4183, 2015 Mar 11.

Article em En | MEDLINE | ID: mdl-25634426

ABSTRACT

ABSTRACT

The methylammonium cation in [CH3NH3]PbI3 demonstrates increasing positional disorder on heating from 100 K to 352 K. In the tetragonal phase, stable between 165 K and 327 K, the cation is disordered over four sites directed toward the faces of the distorted cubic [PbI3](-) framework and migrates towards the cavity centre with increasing temperature.

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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Chem Commun (Camb) Assunto da revista: QUIMICA Ano de publicação: 2015 Tipo de documento: Article País de afiliação: Reino Unido

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