Published in

SpringerOpen, Journal of the European Optical Society-Rapid Publications, 1(17), 2021

DOI: 10.1186/s41476-021-00153-y

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A new route for caesium lead halide perovskite deposition

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

AbstractInorganic metal halide perovskites are relevant semiconductors for optoelectronic devices. The successful deposition of thin films of CsPbBr3 and CsPbCl3 has recently been obtained by Radio-Frequency magnetron sputtering. In this work we compare the morphological, structural and optical characteristics of the two materials obtained with this deposition technique. A detailed photoluminescence (PL) spectroscopy study of the as-grown samples was conducted at the macro and micro scale in a wide temperature range (10-300 K) to fully characterize the PL on sample areas of square centimeters, to assess the origin of the inhomogeneous broadening and to quantify the PL quantum yield quenching. Our results prove that this technique allows for the realization of high quality nanometric films with controlled thickness of relevance for optoelectronic applications.