Buried Interface Dielectric Layer Engineering for Highly Efficient and Stable Inverted Perovskite Solar Cells and Modules

Li，Huan; Xie，Guanshui; Wang，Xin; Li，Sibo; Lin，Dongxu; Fang，Jun; Wang，Daozeng; Huang，Weixin; Qiu，Longbin

2023

10.1002/advs.202300586

Advanced Science   影响因子和分区

2198-3844

Stability and scalability are essential and urgent requirements for the commercialization of perovskite solar cells (PSCs), which are retarded by the non-ideal interface leading to non-radiative recombination and degradation. Extensive efforts are devoted to reducing the defects at the perovskite surface. However, the effects of the buried interface on the degradation and non-radiative recombination need to be further investigated. Herein, an omnibearing strategy to modify buried and top surfaces of perovskite film to reduce interfacial defects, by incorporating aluminum oxide (AlO) as a dielectric layer and growth scaffolds (buried surface) and phenethylammonium bromide as a passivation layer (buried and top surfaces), is demonstrated. Consequently, the open-circuit voltage is extensively boosted from 1.02 to 1.14 V with the incorporation of AlO filling the voids between grains, resulting in dense morphology of buried interface and reduced recombination centers. Finally, the impressive efficiencies of 23.1% (0.1 cm) and 22.4% (1 cm) are achieved with superior stability, which remain 96% (0.1 cm) and 89% (1 cm) of its initial performance after 1200 (0.1 cm) and 2500 h (1 cm) illumination, respectively. The dual modification provides a universal method to reduce interfacial defects, revealing a promising prospect in developing high-performance PSCs and modules.

aluminum oxide nanoparticles defect passivation perovskite solar cells phenethylammonium bromide stability

SCI ; EI

英语

第一 ; 通讯

National Natural Science Foundation of China[22109067] ; Guangdong Provincial Science and Technology Program[2022A1515010085] ; Guangdong Grants["2021ZT09C064","2021QN02L138"] ; Shenzhen Science and Technology Program[JCYJ20220530115013029]

Chemistry ; Science & Technology - Other Topics ; Materials Science

Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary

WOS:000976071100001

WILEY

20231714009115

Alumina ; Aluminum oxide ; Cell engineering ; Morphology ; Open circuit voltage ; Passivation ; Perovskite ; Scaffolds (biology)

Biomedical Engineering:461.1 ; Minerals:482.2 ; Protection Methods:539.2.1 ; Solar Cells:702.3 ; Inorganic Compounds:804.2 ; Physical Properties of Gases, Liquids and Solids:931.2 ; Materials Science:951

2-s2.0-85153340600

Scopus

SUSTech Energy Institute for Carbon Neutrality,Department of Mechanical and Energy Engineering,Southern University of Science and Technology,Shenzhen,518055,China

Li，Huan,Xie，Guanshui,Wang，Xin,et al. Buried Interface Dielectric Layer Engineering for Highly Efficient and Stable Inverted Perovskite Solar Cells and Modules[J]. Advanced Science,2023,10(19).

Li，Huan.,Xie，Guanshui.,Wang，Xin.,Li，Sibo.,Lin，Dongxu.,...&Qiu，Longbin.(2023).Buried Interface Dielectric Layer Engineering for Highly Efficient and Stable Inverted Perovskite Solar Cells and Modules.Advanced Science,10(19).

Li，Huan,et al."Buried Interface Dielectric Layer Engineering for Highly Efficient and Stable Inverted Perovskite Solar Cells and Modules".Advanced Science 10.19(2023).