CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
High-Performance Perovskite Solar Cells Engineered by an Ammonia Modified Graphene Oxide Interfacial Layer
Feng, SL; Yang, YG; Li, M; Wang, JM; Cheng, ZD; Li, JH; Ji, GW; Yin, GZ; Song, F; Wang, ZK; Li, JY; Gao, XY; Gao, XY (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 2019 Jialuo Rd, Shanghai 201800, Peoples R China.; Gao, XY (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil SSRF, Pudong New Area, 239 Zhangheng Rd, Shanghai 201204, Peoples R China.; Gao, XY (reprint author), Inst Mat Genome, Shanghai 200111, Peoples R China.; Gao, XY (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, 2019 Jialuo Rd, Shanghai 201800, Peoples R China.
2016
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume8Issue:23Pages:14503—14512
Subtype期刊文献
AbstractThe introduction of an ammonia modified graphene oxide (GO:NH3) layer into perovskite-based solar cells (PSCs) with a structure of indium tin oxide (ITO)/poly(3,4-ethylene-dioxythiophene):poly(4 styrenestilfonate) (PEDOT:PSS)-GO: NH3/CH3NH3PbI3-xClx/phenyl C61-butyric acid methyl ester (PCBM)/(solution Bphen) sBphen/Ag improves their performance and perovskite structure stability significantly. The fabricated devices with a champion PCE up to 16.11% are superior in all the performances in comparison with all the reference devices Go without the GO:NH3 layer. To understand the improved device performances, synchrotron-based grazing incidence Xray diffraction (GIXRD), scanning electron microscopy (SEM), ultraviolet photoelectron spectroscopy (UPS), X-ray photoelectron spectroscopy (XPS), and UV-visible absorption measurements have been conducted on perovskite films on different substrates. It was found that these improvements should be partially attributed to the improved crystallization and preferred orientation order of, peovskite structure, partially to the improved morphology with nearly complete coverage, partially to the enhanced optical absorption caused by the PEDOT:PSS-GO:NH3 layer, and partially to the better matched energy-level-alignment at the perovskite interface. Furthermore; the device was shown to be more stable in the ambient condition, which is clearly associated with the improved peovskite structure stability by the GO:NH3 layer observed by the GIXRD measurements. All these achievements will promote more applications of chemically modified graphene oxide interfacial layer in the PSCs as well as other organic multilayer devices.
KeywordHole-conductor Efficient Crystallization Temperature Deposition Morphology Reduction
DOI10.1021/acsami.6b02064
Indexed BySCI
Language英语
WOS IDWOS:000378195000025
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25744
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorYang, YG; Li, JH; Gao, XY (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 2019 Jialuo Rd, Shanghai 201800, Peoples R China.; Gao, XY (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil SSRF, Pudong New Area, 239 Zhangheng Rd, Shanghai 201204, Peoples R China.; Gao, XY (reprint author), Inst Mat Genome, Shanghai 200111, Peoples R China.; Gao, XY (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, 2019 Jialuo Rd, Shanghai 201800, Peoples R China.
Recommended Citation
GB/T 7714
Feng, SL,Yang, YG,Li, M,et al. High-Performance Perovskite Solar Cells Engineered by an Ammonia Modified Graphene Oxide Interfacial Layer[J]. ACS APPLIED MATERIALS & INTERFACES,2016,8(23):14503—14512.
APA Feng, SL.,Yang, YG.,Li, M.,Wang, JM.,Cheng, ZD.,...&Gao, XY .(2016).High-Performance Perovskite Solar Cells Engineered by an Ammonia Modified Graphene Oxide Interfacial Layer.ACS APPLIED MATERIALS & INTERFACES,8(23),14503—14512.
MLA Feng, SL,et al."High-Performance Perovskite Solar Cells Engineered by an Ammonia Modified Graphene Oxide Interfacial Layer".ACS APPLIED MATERIALS & INTERFACES 8.23(2016):14503—14512.
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