中文版 | English
Title

Merging Passivation in Synthesis Enabling the Lowest Open-Circuit Voltage Loss for PbS Quantum Dot Solar Cells

Author
Corresponding AuthorLiu, Zeke; Ma, Wanli
Publication Years
2022-12-01
DOI
Source Title
ISSN
0935-9648
EISSN
1521-4095
Abstract
The high open-circuit voltage (V-oc) loss arising from insufficient surface passivation is the main factor that limits the efficiency of current lead sulfide colloidal quantum dots (PbS CQDs) solar cell. Here, synergistic passivation is performed in the direct synthesis of conductive PbS CQD inks by introducing multifunctional ligands to well coordinate the complicated CQDs surface with the thermodynamically optimal configuration. The improved passivation effect is intactly delivered to the final photovoltaic device, leading to an order lower surface trap density and beneficial doping behavior compared to the control sample. The obtained CQD inks show the highest photoluminescence quantum yield (PLQY) of 24% for all photovoltaic PbS CQD inks, which is more than twice the reported average PLQY value of approximate to 10%. As a result, a high V-oc of 0.71 V and power conversion efficiency (PCE) of 13.3% is achieved, which results in the lowest V-oc loss (0.35 eV) for the reported PbS CQD solar cells with PCE >10%, comparable to that of perovskite solar cells. This work provides valuable insights into the future CQDs passivation strategies and also demonstrates the great potential for the direct-synthesis protocol of PbS CQDs.
Keywords
URL[Source Record]
Indexed By
Language
English
Important Publications
NI Journal Papers
SUSTech Authorship
Others
Funding Project
National Natural Science Foundation of China["22161142003","52002260","92163114"] ; Natural Science Foundation of the Jiangsu Higher Education Institutions of China[21KJA430004] ; Natural Science Foundation of Jiangsu Province of China[BK20200872] ; China Postdoctoral Science Foundation[2021M702415]
WOS Research Area
Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS Subject
Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS Accession No
WOS:000900145200001
Publisher
ESI Research Field
MATERIALS SCIENCE
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:1
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/424908
DepartmentDepartment of Electrical and Electronic Engineering
Affiliation
1.Soochow Univ, Inst Funct Nano & Soft Mat FUNSOM, Joint Int Res Lab Carbon Based Funct Mat & Devices, Suzhou 215123, Jiangsu, Peoples R China
2.Univ Electrocommun, Fac Informat & Engn, Tokyo 1828585, Japan
3.Southern Univ Sci & Technol, Dept Elect & Elect Engn, Shenzhen 518055, Peoples R China
4.Shenzhen Technol Univ, Coll Engn Phys, Shenzhen 518118, Peoples R China
5.Soochow Univ, Sch Optoelect Sci & Engn, Suzhou 215006, Peoples R China
6.Soochow Univ, Collaborat Innovat Ctr Suzhou Nano Sci & Technol, Key Lab Adv Opt Mfg Technol Jiangsu Prov, Suzhou 215006, Peoples R China
7.Soochow Univ, Key Lab Modern Opt Technol, Educ Minist China, Suzhou 215006, Peoples R China
8.Soochow Univ, Key Lab Modern Opt Technol Educ Minist China, Suzhou 215006, Peoples R China
Recommended Citation
GB/T 7714
Liu, Yang,Wu, Hao,Shi, Guozheng,et al. Merging Passivation in Synthesis Enabling the Lowest Open-Circuit Voltage Loss for PbS Quantum Dot Solar Cells[J]. ADVANCED MATERIALS,2022.
APA
Liu, Yang.,Wu, Hao.,Shi, Guozheng.,Li, Yusheng.,Gao, Yiyuan.,...&Ma, Wanli.(2022).Merging Passivation in Synthesis Enabling the Lowest Open-Circuit Voltage Loss for PbS Quantum Dot Solar Cells.ADVANCED MATERIALS.
MLA
Liu, Yang,et al."Merging Passivation in Synthesis Enabling the Lowest Open-Circuit Voltage Loss for PbS Quantum Dot Solar Cells".ADVANCED MATERIALS (2022).
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