Research ArticleAPPLIED PHYSICS

Origin of unusual bandgap shift and dual emission in organic-inorganic lead halide perovskites

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Science Advances  28 Oct 2016:
Vol. 2, no. 10, e1601156
DOI: 10.1126/sciadv.1601156

Article Information

vol. 2 no. 10

Online ISSN: 
History: 
  • Received for publication May 21, 2016
  • Accepted for publication September 27, 2016
  • .

Author Information

  1. M. Ibrahim Dar1,*,,
  2. Gwénolé Jacopin2,,
  3. Simone Meloni3,,
  4. Alessandro Mattoni4,
  5. Neha Arora1,
  6. Ariadni Boziki3,
  7. Shaik Mohammed Zakeeruddin1,
  8. Ursula Rothlisberger3 and
  9. Michael Grätzel1
  1. 1Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
  2. 2Laboratory of Quantum Optoelectronics, Institute of Physics, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
  3. 3Laboratory of Computational Chemistry and Biochemistry, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
  4. 4Istituto Officina dei Materiali, CNR-IOM SLACS Cagliari, Cittadella Universitaria, Monserrato (CA) 09042-I, Italy.
  1. *Corresponding author. Email: ibrahim.dar{at}epfl.ch
    • These authors contributed equally to this work.

    • Present address: Department of Mechanical and Aerospace Engineering, Sapienza University of Rome, via Eudossiana 18, 00184 Rome, Italy.

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