Issue 21, 2022

Synthesis and characterization of all-inorganic (CsPbBr3) perovskite single crystals

Abstract

This work investigates the synthesis of Cesium (Cs) based all-inorganic (CsPbBr3) perovskite single crystals (PSCs) at low temperatures (45 °C) for application in photosensitive devices. The Cs-based PSCs are more environmentally stable in comparison with PSCs based on formamidinium and methylammonium. The crystals are grown using an inverse temperature crystallization method. The structural characterization was conducted using an X-ray diffractometer and confirms that the crystal is highly crystalline and it also shows that it belongs to the {110} family of planes. The optical analysis of the Cs-based single crystal was conducted using photoluminescence spectroscopy. The crystal has a bandgap of 2.18 eV as calculated by using the Tauc formula. Furthermore, a remarkable photocurrent analysis of the responsivity and detectivity parameters was conducted using a visible light laser (532 nm) and revealed values of ∼1 A W−1 and 3.7 × 1011 Jones, respectively. Thus, the all-inorganic PSC, CsPbBr3, will be of benefit to optoelectronic device applications.

Graphical abstract: Synthesis and characterization of all-inorganic (CsPbBr3) perovskite single crystals

Supplementary files

Article information

Article type
Paper
Submitted
25 Mar 2022
Accepted
26 Jul 2022
First published
02 Aug 2022
This article is Open Access
Creative Commons BY-NC license

Mater. Adv., 2022,3, 7865-7871

Synthesis and characterization of all-inorganic (CsPbBr3) perovskite single crystals

R. Gupta, R. Datt, S. Barthwal, H. Sharma, A. Pandey, R. Deka, P. Sarkar, S. Husale, R. Srivastava, V. Gupta, S. Arya and S. Pathak, Mater. Adv., 2022, 3, 7865 DOI: 10.1039/D2MA00345G

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