Temperature-Dependent Phase Stable Hybrid Halide Perovskite Films by Chemical Vapor Deposition

被引：6
作者：
Burns, Randy [1 ]
Ngqoloda, Siphelo [2 ]
Klue, Stephen C. [1 ]
Karapetrova, Evguenia [3 ]
Arendse, Christopher J. [1 ,2 ]
Guha, Suchismita [1 ,2 ]
机构：
[1] Univ Missouri, Dept Phys & Astron, Columbia, MO 65211 USA
[2] Univ Western Cape, Dept Phys & Astron, ZA-7535 Bellville, South Africa
[3] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA
来源：
ACS APPLIED ELECTRONIC MATERIALS | 2022年 / 4卷 / 09期
基金：
美国国家科学基金会; 新加坡国家研究基金会;
关键词：
halide perovskite; X-ray diffraction; chemical vapor deposition; electrical transport; thermal stability; SOLAR-CELLS; ROOM-TEMPERATURE; CRYSTAL; TRANSITIONS; DISORDER;
D O I：
10.1021/acsaelm.2c00449
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Methylammonium lead iodide (MAPbI3-xClx) thin films were synthesized using chemical vapor deposition. Temperature-dependent grazing incidence synchrotron-based X-ray diffraction measurements confirm that the structure of MAP-bI(3-x)Cl(x), where Cl acts more like a dopant, remains throughout in the tetragonal phase in the temperature range of 20-300 K. These studies are further correlated with temperature-dependent photo-luminescence (PL) studies. The PL peak energy monotonically increases with temperature, suggestive of a single-phase behavior. Resistance measurements conducted as a function of temperature show an absence of inflection points, suggesting uniformity in its phase. Between 200 and 325 K, the resistance remains a constant.
引用
收藏
页码：4258 / 4264
页数：7
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