A novel approach towards compact and improved-crystallinity methylammonium bismuth iodide film via hot immersion method

被引：3

作者：

Achoi, M. F. ^{[1
,2
]}

Aiba, S. ^{[1
]}

Kato, S. ^{[1
]}

Kishi, N. ^{[1
]}

Soga, T. ^{[1
]}

机构：

[1] Nagoya Inst Technol, Dept Elect & Mech Engn, Showa Ku, Nagoya, Aichi 4668555, Japan

[2] Univ Teknol MARA UiTM, Fac Appl Sci, Cawangan Sabah, Kampus Kota Kinabalu, Kota Kinabalu 88997, Sabah, Malaysia

来源：

MATERIALS LETTERS-X | 2021年 / 12卷

关键词：

MBI layers; Bi-perovskite; Hot immersion; LEAD-FREE; SOLAR-CELLS; FABRICATION;

D O I：

10.1016/j.mlblux.2021.100096

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, we report the successful fabrication of compact and high crystallinity methylammonium bismuth iodide (MBI) layers by using a new method named as hot immersion method (HIM) for the first time. This novel method is proposed to improve the surface morphology and structural properties of MBI film. The substrate is dipped in the hot solution while the hot immersion time was varied. The scanning electron microscopy images showed that the compact MBI layer was fabricated at a longer immersion time, while the x-ray diffraction characterization showed that the crystallinity of the MBI layer was improved. The compactness and uniformity of MBI layer were further confirmed using Dektak measurement. Our findings suggest the enhanced performance of bismuth-perovskite solar cells (Bi-PeSC's) device by the simple process in the future.

引用

页数：4

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