EXPLORING PEROVSKITE-POLYMER COMPOSITES: FROM SOLAR CELLS TO 3D PRINTED SCINTILLATORS
Aurora Rizzo a
a CNR NANOTEC – Istituto di Nanotecnologia, c/o Campus Ecotekne, Via Monteroni, 73100 Lecce, Italy;
Materials for Sustainable Development Conference (MATSUS)
Proceedings of MATSUS Spring 2025 Conference (MATSUSSpring25)
From halide perovskites to perovskite-inspired materials –Synthesis and Applications - #PeroMat
Sevilla, Spain, 2025 March 3rd - 7th
Organizers: Raquel Galian, Thomas Stergiopoulos and Paola Vivo
Invited Speaker, Aurora Rizzo, presentation 134
DOI: https://doi.org/10.29363/nanoge.matsusspring.2025.134
Publication date: 16th December 2024

The advent of metal halide perovskite has revolutionised the field of optics and optoelectronics. In particular, the high efficiency of solar cells demonstrated at laboratory scale, now exceeding 26% [1], has stimulated the interest of both researchers and industry in photovoltaic applications.

In this context, the processing of perovskite materials from solution is very attractive, since large amounts of material can be deposited using high-throughput roll-to-roll deposition techniques [2]. Nonetheless, given the strict correlation between the properties of perovskite precursor solutions and the formation of a perovskite film with the desired properties, [3-4] the composition of the ink and the use of additives have been shown to be a crucial aspect in the development of metal halide perovskites with good optoelectronic quality.

In this talk, I will first give an overview of how the incorporation of polymers as additives in precursor inks can afford control over the crystallisation process of metal halide perovskite materials, which is a key aspect for reproducible fabrication of robust films. In particular, I will show how the polymer can influence the stability, mechanical properties and processability of metal halide perovskites that can eventually be printed via roll-to-roll. [5-8]

Finally, I will give an insight into novel functionalities that can be imparted to metal halide perovskites by a judicious selection of polymer matrix, namely the thermochromism and the printability via additive manufacturing techniques for the development of plastic scintillators. [9-10]

A.R. acknowledges the project “nuovi Concetti, mAteriali e tecnologie per l’iNtegrazione del fotoVoltAico negli edifici in uno scenario di generazione diffuSa” (CANVAS), funded by the Italian Ministry of the Environment and the Energy Security, through the Research Fund for the Italian Electrical System (type-A call, published on G.U.R.I. n. 192 on 18-08-2022) CUP-B53C22005670005. A. R. acknowledges the project PRIN 22-MUR POLYMER-ASSISTED LEAD-FREE PEROVSKITE ASSEMBLY: TOWARDS ENVIRONMENTALLY-SUSTAINABLE, HIGH-PERFORMANCE AND STABLE SOLAR CELLS (LEAD-OUT) (2022B3C94E) CUP B53D23008700006 founded by the European Community-Next Generation EU. Part of the research activity was supported by the National Institute of Nuclear Physics – INFN (SHINE project) and by  ENI Spa Contract Nr. 3500056481.

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