Hybrid Organic/Inorganic Perovskite-Polymer Nanocomposites: Toward the Enhancement of Structural and Electrical Properties

Alberto Privitera; Marcello Righetto; Michele De Bastiani; Francesco Carraro; Marzio Rancan; Lidia Armelao; Gaetano Granozzi; Renato Bozio; Lorenzo Franco

doi:10.1021/acs.jpclett.7b03077

Hybrid Organic/Inorganic Perovskite-Polymer Nanocomposites: Toward the Enhancement of Structural and Electrical Properties

J Phys Chem Lett. 2017 Dec 21;8(24):5981-5986. doi: 10.1021/acs.jpclett.7b03077. Epub 2017 Dec 1.

Authors

Affiliations

¹ Department of Chemical Science and U.R. INSTM, University of Padova , Via Marzolo 1, I-35131 Padova, Italy.
² King Abdullah University of Science and Technology (KAUST) , KAUST Solar Center (KSC), Division of Physical Sciences and Engineering (PSE), Thuwal 23955-6900, Kingdom of Saudi Arabia.
³ ICMATE-CNR and U.R. INSTM, University of Padova , Via Marzolo 1, I-35131 Padova, Italy.

PMID: 29188716
DOI: 10.1021/acs.jpclett.7b03077

Abstract

Hybrid organic/inorganic perovskite nanoparticles (NPs) have garnered remarkable research attention because of their promising photophysical properties. New and interesting properties emerge after combining perovskite NPs with semiconducting materials. Here, we report the synthesis and investigation of a composite material obtained by mixing CH₃NH₃PbBr₃ nanocrystals with the semiconducting polymer poly(3-hexylthiophene) (P3HT). By the combination of structural techniques and optical and magnetic spectroscopies we observed multiple effects of the perovskite NPs on the P3HT: (i) an enlargement of P3HT crystalline domains, (ii) a strong p-doping of the P3HT, and (iii) an enhancement of interchain order typical of H-aggregates. These observations open a new avenue toward innovative perovskite NP-based applications.