Lead Iodide and Perovskite Films Obtained by Iodination of PbS Thin Films

被引：19
作者：
Clemente da Silva Filho, Jose Maria [1 ]
Landers, Richard [1 ]
Marques, Francisco Chagas [1 ]
机构：
[1] Univ Estadual Campinas, Gleb Wataghin Inst Phys, 777 Sergio Buarque de Holanda St Cidade Univ, BR-13083859 Campinas, SP, Brazil
来源：
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS | 2019年 / 29卷 / 06期
基金：
巴西圣保罗研究基金会;
关键词：
Lead Sulfide; Perovskite; Thin films; Sputtering; SOLAR-CELLS; QUANTUM DOTS; CH3NH3PBI3; EFFICIENCY; GROWTH; FABRICATION;
D O I：
10.1007/s10904-019-01175-3
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Here we demonstrate a low-temperature process for the synthesis of pinhole-free lead iodide and perovskite (CH3NH3PbI3) films. The approach consists in converting amorphous sputtered lead sulfide films onto lead iodide (PbI2) films through an iodination process. The following step consists of the conversion of PbI2 into CH3NH3PbI3 through dipping into methylammonium iodide (CH3NH3I) solution. The effectiveness of this new route was investigated through X-ray diffraction, optical transmittance, scanning electron microscopy and X-ray photoelectron spectroscopy. This method is comprehensibly compatible with large-scale and large-area deposition and provides a convenient and highly reproducible route for the preparation of perovskite thin films.
引用
收藏
页码：2161 / 2167
页数：7
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