Synergy of 3D and 2D perovskites for durable and efficient solar cells
Aditya Mohite a
a Rice University, Houston, US, Main street, 6100, Houston, United States
Materials for Sustainable Development Conference (MATSUS)
Proceedings of MATSUS Spring 2024 Conference (MATSUS24)
#PeroFF - Perovskite: from fundamentals to device fabrication
Barcelona, Spain, 2024 March 4th - 8th
Organizers: Lioz Etgar, Wang Feng and Michael Saliba
Invited Speaker, Aditya Mohite, presentation 156
DOI: https://doi.org/10.29363/nanoge.matsus.2024.156
Publication date: 18th December 2023

Three-dimensional (3D) organic–inorganic lead halide perovskites have emerged in the past few years as a promising material for low-cost, high-efficiency optoelectronic devices. Spurred by this recent interest, several subclasses of halide perovskites such as two-dimensional (2D) halide perovskites have begun to play a significant role in advancing the fundamental understanding of the structural, chemical, and physical properties of halide perovskites, which are technologically relevant. While the chemistry of these 2D materials is similar to that of the 3D halide perovskites, their layered structure with a hybrid organic–inorganic interface induces new emergent properties that can significantly or sometimes subtly be important. Synergistic properties can be realized in systems that combine different materials exhibiting different dimensionalities by exploiting their intrinsic compatibility. In many cases, the weaknesses of each material can be alleviated in heterostructures. For example, 3D-2D halide perovskites can demonstrate novel behavior that neither material would be capable of separately.

In this talk, I will describe several examples of how synergistic properties between 3D and 2D give rise to emergent materials properties. I will describe the impact of deterministically combining 3D and 2D heterostructures on long-term durability, and stabilizing FAPbI3 without MA, Cs or Br, with >24% photovoltaic efficiency in a p-i-n architecture and also exceptional durability under 85 C, continuous AM1.5 illumination at MPPT.

The work Rice University was supported by the DOE-EERE 0008843 program.

© FUNDACIO DE LA COMUNITAT VALENCIANA SCITO
We use our own and third party cookies for analysing and measuring usage of our website to improve our services. If you continue browsing, we consider accepting its use. You can check our Cookies Policy in which you will also find how to configure your web browser for the use of cookies. More info