Investigation of the Stability of Methylammonium Lead Iodide (MAPbI) Film Doped with Lead Cesium Triiodide (CsPbI) Quantum Dots Under an Oxygen Plasma Atmosphere

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2021 Jun 2

PMID 34063657

Citations 1

Authors

Pao-Hsun Huang

Chi-Wei Wang

Shui-Yang Lien

Kuan-Wei Lee

Na-Fu Wang

Chien-Jung Huang

Affiliations

Soon will be listed here.

Abstract

In this study, we describe composited perovskite films based on the doping of lead cesium triiodide (CsPbI) quantum dots (QDs) into methylammonium lead iodide (MAPbI). CsPbI QDs and MAPbI were prepared by ligand-assisted re-precipitation and solution mixing, respectively. These films were optimized by oxygen plasma treatment, and the effect of powers from 0 to 80 W on the structural properties of the composited perovskite films is discussed. The experimental results showed that the light-harvesting ability of the films was enhanced at 20 W. The formation of the metastable state (lead(II) oxide and lead tetroxide) was demonstrated by peak differentiation-imitating. A low power enhanced the quality of the films due to the removal of organic impurities, whereas a high power caused surface damage in the films owing to the severe degradation of MAPbI.

Citing Articles

The Influence of Oxygen Plasma on Methylammonium Lead Iodide (MAPbI) Film Doped with Lead Cesium Triiodide (CsPbI).

Lien S, Wang C, Chen W, Liu C, Kang C, Huang C Molecules. 2021; 26(17).

PMID: 34500566 PMC: 8434561. DOI: 10.3390/molecules26175133.

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