Protecting Perovskite Solar Cells against Moisture-Induced Degradation with Sputtered Inorganic Barrier Layers

被引：27

作者：

Ahangharnejhad, Ramez Hosseinian ^{[1
]}

Song, Zhaoning ^{[1
]}

Mariam, Tamanna ^{[1
]}

Gardner, Jayla J. ^{[1
]}

Liyanage, Geethika K. ^{[1
]}

Almutawah, Zahrah S. ^{[1
]}

Anwar, Bhuiyan M. M. ^{[1
]}

Junda, Maxwell ^{[1
]}

Podraza, Nikolas J. ^{[1
]}

Phillips, Adam B. ^{[1
]}

Yan, Yanfa ^{[1
]}

Heben, Michael J. ^{[1
]}

机构：

[1] Univ Toledo, Wright Ctr Photovolta Innovat & Commercializat, Dept Phys & Astron, Toledo, OH 43606 USA

来源：

ACS APPLIED ENERGY MATERIALS | 2021年 / 4卷 / 08期

关键词：

photovoltaics (PV); perovskite PV; perovskite encapsulation; perovskite stability; laser beam-induced current (LBIC); LEAD IODIDE PEROVSKITE; HIGH-PERFORMANCE; STABILITY ENHANCEMENT; HIGHLY EFFICIENT; ENCAPSULATION; HUMIDITY; FILMS; LIGHT; MECHANISMS; MODULES;

D O I：

10.1021/acsaem.1c00816

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：

We describe a general approach for protecting metal halide perovskite solar cells against degradation in high-humidity environments using a sputtered barrier coating. A SiO2 protective layer, applied to two different types of perovskite solar cells, was deposited without strongly impacting the initial device performance. The degradation of the cells was imaged in real time using laser beam-induced current (LBIC) measurements in an accelerated test. We show that SiO2 barrier films can improve the tolerance of the devices to extreme humidity conditions and extend lifetimes by a factor of similar to 60 when a 45 nm SiO2 barrier layer is applied to CH3NH3PbI3 and by a factor of similar to 600 when a 300 nm barrier is applied to a triple-cation perovskite material. The LBIC data revealed that the approach promises protection against degradation initiation at the edges of scribed lines, which will be necessary for the fabrication of monolithically integrated modules.

引用

页码：7571 / 7578

页数：8

共 75 条

[1]

Ahangharnejhad RH, 2018, MRS ADV, V3, P3111, DOI 10.1557/adv.2018.464

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