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(C 7 H 18 N 2 )PbI 4 : A 2D Hybrid Perovskite Solid-State Phase Transition Material with Semiconducting Properties.
- Source :
-
Inorganic chemistry [Inorg Chem] 2021 Jul 19; Vol. 60 (14), pp. 10642-10647. Date of Electronic Publication: 2021 Jul 08. - Publication Year :
- 2021
-
Abstract
- Two-dimensional organic-inorganic hybrid perovskites (OIHPs) have gained attention as a result of their flexibility and adjustability of the structure. However, the large band gap of two-dimensional perovskites limits their application in the photoelectric field. In the present work, we report a two-dimensional organic-inorganic hybrid compound of (C <subscript>7</subscript> H <subscript>18</subscript> N <subscript>2</subscript> )PbI <subscript>4</subscript> ( 1 ) with a narrow band gap, which consists of [PbI <subscript>4</subscript> ] <superscript>2-</superscript> <subscript> n </subscript> layers and N -(2-aminoethyl)piperidinium cations. 1 exhibits semiconducting properties with a narrow optical band gap of ∼2.02 eV and a photoelectric response with a ratio of photocurrent to dark current of ∼100. In addition, it exhibits a reversible solid-state phase transition at 228 K. This finding should inspire research into more 2D layered OIHPs with the combination of phase transition and semiconductor properties.
Details
- Language :
- English
- ISSN :
- 1520-510X
- Volume :
- 60
- Issue :
- 14
- Database :
- MEDLINE
- Journal :
- Inorganic chemistry
- Publication Type :
- Academic Journal
- Accession number :
- 34236841
- Full Text :
- https://doi.org/10.1021/acs.inorgchem.1c01292