Halide Perovskite Nanocrystals: Synthesis and Optical Properties
Liberato Manna a
a Istituto Italiano di Tecnologia, Via Morego 30, 16163. Genova, Italy
Materials for Sustainable Development Conference (MATSUS)
Proceedings of nanoGe Spring Meeting 2022 (NSM22)
#LowEnOpto22. Low-dimensional Semiconductors for Energy and Optoelectronic Research: a Journey from 0 to 2D
Online, Spain, 2022 March 7th - 11th
Organizers: Ilka Kriegel, Teresa Gatti and Francesco Scotognella
Invited Speaker, Liberato Manna, presentation 140
DOI: https://doi.org/10.29363/nanoge.nsm.2022.140
Publication date: 7th February 2022

    

Halide perovskite semiconductors can merge the highly efficient operational principles of conventional inorganic semiconductors with the low‑temperature solution processability of emerging organic and hybrid materials, offering a promising route towards cheaply generating electricity as well as light. Following a surge of interest in this class of materials, research on halide perovskite nanocrystals (NCs) as well has gathered momentum in the last years. While most of the emphasis has been put on CsPbX3 perovskite NCs, more recently the so-called double perovskite NCs, having chemical formula A+2B+B3+X6, have been identified as possible alternative materials, together with various other metal halides structures and compositions, often doped with various other elements. This talk will also discuss the research efforts of our group on these materials. I will highlight how for example halide double perovskite NCs are much less surface tolerant than the corresponding Pb-based perovskite NCs and that alternative surface passivation strategies will need be devised in order to further optimize their optical performance.

 

  

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