High-resolution remote thermometry and thermography using luminescent low-dimensional tin-halide perovskites.

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ID: 97243
2019
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Abstract
Although metal-halide perovskites have recently revolutionized research in optoelectronics through a unique combination of performance and synthetic simplicity, their low-dimensional counterparts can further expand the field with hitherto unknown and practically useful optical functionalities. In this context, we present the strong temperature dependence of the photoluminescence lifetime of low-dimensional, perovskite-like tin-halides and apply this property to thermal imaging. The photoluminescence lifetimes are governed by the heat-assisted de-trapping of self-trapped excitons, and their values can be varied over several orders of magnitude by adjusting the temperature (up to 20 ns °C). Typically, this sensitive range spans up to 100 °C, and it is both compound-specific and shown to be compositionally and structurally tunable from -100 to 110 °C going from [C(NH)]SnBr to CsSnBr and (CNHI)SnI. Finally, through the implementation of cost-effective hardware for fluorescence lifetime imaging, based on time-of-flight technology, these thermoluminophores have been used to record thermographic videos with high spatial and thermal resolution.
Reference Key
yakunin2019highresolutionnature Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Yakunin, Sergii;Benin, Bogdan M;Shynkarenko, Yevhen;Nazarenko, Olga;Bodnarchuk, Maryna I;Dirin, Dmitry N;Hofer, Christoph;Cattaneo, Stefano;Kovalenko, Maksym V;
Journal Nature Materials
Year 2019
DOI
10.1038/s41563-019-0416-2
URL
Keywords
protein stability site-directed mutagenesis carboxylic acid reductase mycobacterium abscessus succinic acid reduction

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