DICP OpenIR
Interface-Modification-Induced Gradient Energy Band for Highly Efficient CsPbIBr2 Perovskite Solar Cells
Subhani, Waqas Siddique1,2; Wang, Kai1; Du, Minyong1; Wang, Xiuli1; Liu, Shengzhong (Frank)1,3
Corresponding AuthorWang, Kai(wangkai@dicp.ac.cn) ; Liu, Shengzhong (Frank)(szliu@dicp.ac.cn)
Keywordcharge recombination CsPbIBr2 high efficiency inorganic perovskite solar cells interface modification
Source PublicationADVANCED ENERGY MATERIALS
2019-06-05
ISSN1614-6832
DOI10.1002/aenm.201803785
Volume9Issue:21Pages:9
Funding ProjectNational Natural Science Foundation of China[21805274] ; National Natural Science Foundation of China[61674098] ; Doctor Startup Foundation of Liaoning Province[20180540099] ; 111 Project[B1404] ; National Key Research Program of China[2016YFA0202403] ; Chinese National 1000-Talent-Plan program[111001034]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Doctor Startup Foundation of Liaoning Province ; Doctor Startup Foundation of Liaoning Province ; 111 Project ; 111 Project ; National Key Research Program of China ; National Key Research Program of China ; Chinese National 1000-Talent-Plan program ; Chinese National 1000-Talent-Plan program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Doctor Startup Foundation of Liaoning Province ; Doctor Startup Foundation of Liaoning Province ; 111 Project ; 111 Project ; National Key Research Program of China ; National Key Research Program of China ; Chinese National 1000-Talent-Plan program ; Chinese National 1000-Talent-Plan program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Doctor Startup Foundation of Liaoning Province ; Doctor Startup Foundation of Liaoning Province ; 111 Project ; 111 Project ; National Key Research Program of China ; National Key Research Program of China ; Chinese National 1000-Talent-Plan program ; Chinese National 1000-Talent-Plan program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Doctor Startup Foundation of Liaoning Province ; Doctor Startup Foundation of Liaoning Province ; 111 Project ; 111 Project ; National Key Research Program of China ; National Key Research Program of China ; Chinese National 1000-Talent-Plan program ; Chinese National 1000-Talent-Plan program
WOS SubjectChemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science ; Physics
WOS KeywordENHANCED PERFORMANCE ; OZONE TREATMENT ; PHASE ; ALPHA-CSPBI3 ; HYSTERESIS ; STABILITY ; CSPBI2BR ; LIMITS
AbstractInorganic cesium lead halide perovskite solar cells (PSCs) have received enormous attention due to their excellent stability compared with that of their organic-inorganic counterparts. However, the lack of optimization strategies leads the inorganic PSCs to suffer from low efficiency arising from significant recombination. To overcome this dilemma, a surface modification of the electron transport layer (ETL)/perovskite interface is undertaken by using SmBr3 to improve the crystallization and morphology of the perovskite layer for enhanced ETL/perovskite interface interaction. Encouragingly, a gradient energy band is created at the interface with an outstanding hole blocking effect. As a result, both the charge recombination occurring at the interface and the nonradiative recombination inside the perovskite are suppressed, and, simultaneously, the charge extraction is improved successfully. Therefore, the power conversion efficiency of the CsPbIBr2 PSCs is increased to as high as 10.88% under one sun illumination, which is 30% higher than its counterparts without the modification. It is logically inferred that this valuable optimization strategy can be extended to other analogous structures and materials.
Language英语
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Doctor Startup Foundation of Liaoning Province ; Doctor Startup Foundation of Liaoning Province ; 111 Project ; 111 Project ; National Key Research Program of China ; National Key Research Program of China ; Chinese National 1000-Talent-Plan program ; Chinese National 1000-Talent-Plan program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Doctor Startup Foundation of Liaoning Province ; Doctor Startup Foundation of Liaoning Province ; 111 Project ; 111 Project ; National Key Research Program of China ; National Key Research Program of China ; Chinese National 1000-Talent-Plan program ; Chinese National 1000-Talent-Plan program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Doctor Startup Foundation of Liaoning Province ; Doctor Startup Foundation of Liaoning Province ; 111 Project ; 111 Project ; National Key Research Program of China ; National Key Research Program of China ; Chinese National 1000-Talent-Plan program ; Chinese National 1000-Talent-Plan program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Doctor Startup Foundation of Liaoning Province ; Doctor Startup Foundation of Liaoning Province ; 111 Project ; 111 Project ; National Key Research Program of China ; National Key Research Program of China ; Chinese National 1000-Talent-Plan program ; Chinese National 1000-Talent-Plan program
WOS IDWOS:000470925900001
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/171990
Collection中国科学院大连化学物理研究所
Corresponding AuthorWang, Kai; Liu, Shengzhong (Frank)
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, IChEM, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Shaanxi Normal Univ, Key Lab Appl Surface & Colloid Chem,Sch Mat Sci &, Shaanxi Engn Lab Adv Energy Technol,Inst Adv Ener, Shaanxi Key Lab Adv Energy Devices,Minist Educ, Xian 710119, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Subhani, Waqas Siddique,Wang, Kai,Du, Minyong,et al. Interface-Modification-Induced Gradient Energy Band for Highly Efficient CsPbIBr2 Perovskite Solar Cells[J]. ADVANCED ENERGY MATERIALS,2019,9(21):9.
APA Subhani, Waqas Siddique,Wang, Kai,Du, Minyong,Wang, Xiuli,&Liu, Shengzhong .(2019).Interface-Modification-Induced Gradient Energy Band for Highly Efficient CsPbIBr2 Perovskite Solar Cells.ADVANCED ENERGY MATERIALS,9(21),9.
MLA Subhani, Waqas Siddique,et al."Interface-Modification-Induced Gradient Energy Band for Highly Efficient CsPbIBr2 Perovskite Solar Cells".ADVANCED ENERGY MATERIALS 9.21(2019):9.
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