journal article·2023-01-13Open access

How Stable Is the 2D/3D Interface of Metal Halide Perovskite under Light and Heat?

Jishnudas Chakkamalayath, Nathaniel Hiott, Prashant V. Kamat

ACS Energy Letters· Volume 8· Issue 1

Abstract

A (PEA)2PbI4 (2D) layer deposited on a MAPbI3 (3D) film undergoes a transformation upon photoirradiation and thermal treatment. The decrease in absorption and emission of the 2D layer during light and heat exposure, which shows migration of the PEA+ cation within the 3D film, points out the dynamic nature of the 2D/3D interface and intermixing of the two phases.
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Research context

OpenAlex topics: Perovskite Materials and Applications · 2D Materials and Applications · Quantum Dots Synthesis And Properties

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