Spray-Cast Multilayer Organometal Perovskite Solar Cells Fabricated in Air

被引：125
|
作者：
Mohamad, David K. [1 ]
Griffin, Jonathon [1 ]
Bracher, Christopher [1 ]
Barrows, Alexander T. [1 ]
Lidzey, David G. [1 ]
机构：
[1] Univ Sheffield, Dept Phys & Astron, Hicks Bldg,Hounsfield Rd, Sheffield S3 7RH, S Yorkshire, England
来源：
Advanced Energy Materials | 2016年 / 6卷 / 22期
基金：
英国工程与自然科学研究理事会;
关键词：
conducting polymers; functional coatings; photovoltaic devices; solar cells; thin films; POWER CONVERSION EFFICIENCY; POLYMER-FULLERENE; THIN-FILM; SURFACES; SOLVENT; DEVICES; LAYERS;
D O I：
10.1002/aenm.201600994
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Spray-coating is a versatile coating technique that can be used to deposit functional films over large areas at speed. Here, spray-coating is used to fabricate inverted perovskite solar cell devices in which all of the solution-processible layers (PEDOT:PSS, perovskite, and PCBM) are deposited by ultrasonic spray-casting in air. Using such techniques, all-spray-cast devices having a champion power conversion efficiency (PCE) of 9.9% are fabricated. Such performance compares favorably with reference devices spin-cast under a nitrogen atmosphere that has a champion PCE of 12.8%. Losses in device efficiency are ascribed to lower surface coverage and reduced uniformity of the spray-cast perovskite layer.
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页数：7
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