Research ArticleAPPLIED PHYSICS
Origin of unusual bandgap shift and dual emission in organic-inorganic lead halide perovskites
- M. Ibrahim Dar1,*,†,
- Gwénolé Jacopin2,†,
- Simone Meloni3,‡,
- Alessandro Mattoni4,
- Neha Arora1,
- Ariadni Boziki3,
- Shaik Mohammed Zakeeruddin1,
- Ursula Rothlisberger3 and
- Michael Grätzel1
- 1Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
- 2Laboratory of Quantum Optoelectronics, Institute of Physics, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
- 3Laboratory of Computational Chemistry and Biochemistry, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
- 4Istituto Officina dei Materiali, CNR-IOM SLACS Cagliari, Cittadella Universitaria, Monserrato (CA) 09042-I, Italy.
- ↵*Corresponding author. Email: ibrahim.dar{at}epfl.ch
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Science Advances 28 Oct 2016:
Vol. 2, no. 10, e1601156
DOI: 10.1126/sciadv.1601156
Vol. 2, no. 10, e1601156
DOI: 10.1126/sciadv.1601156
M. Ibrahim Dar
Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
Gwénolé Jacopin
Laboratory of Quantum Optoelectronics, Institute of Physics, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
Simone Meloni
Laboratory of Computational Chemistry and Biochemistry, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
Alessandro Mattoni
Istituto Officina dei Materiali, CNR-IOM SLACS Cagliari, Cittadella Universitaria, Monserrato (CA) 09042-I, Italy.
Neha Arora
Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
Ariadni Boziki
Laboratory of Computational Chemistry and Biochemistry, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
Shaik Mohammed Zakeeruddin
Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
Ursula Rothlisberger
Laboratory of Computational Chemistry and Biochemistry, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
Michael Grätzel
Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.