Characterization of perovskite films prepared with different PbI2 deposition rates

被引：1

作者：

Iida, Tamio ^{[1
]}

Okada, Gota ^{[1
]}

Takase, Kento ^{[1
]}

机构：

[1] Natl Inst Technol, Gifu Coll, Dept Elect & Comp Engn, Motosu, Gifu 5010495, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2023年 / 62卷 / SN期

关键词：

perovskite; vapor deposition; solar cell; ORGANIC-INORGANIC PEROVSKITES; SOLAR-CELLS; EFFICIENT; LENGTHS;

D O I：

10.35848/1347-4065/ace538

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The perovskite (CH3NH3PbI3) films prepared using PbI2 film deposited at controlled deposition rates were evaluated. In this process, PbI2 films were deposited by vacuum evaporation process and then converted into CH3NH3PbI3 films by annealing in methylammonium iodide vapor. The grain size of CH3NH3PbI3 films were successfully tuned from 90 to 125 nm by controlling the PbI2 deposition rate from 0.025 to 0.4 nm s(-1). Furthermore, by using the controlled CH3NH3PbI3 film as the light harvesting layer, inverted planar perovskite solar cells were fabricated, and the improvement in power conversion efficiency was confirmed.

引用

页数：4

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