All-Perovskite Tandem Solar Cells Approach 26.5% Efficiency by Employing Wide Bandgap Lead Perovskite Solar Cells with New Monomolecular Hole Transport Layer

被引：29
作者：
Bi, Huan [1 ,4 ]
Liu, Jiaqi [1 ]
Zhang, Zheng [1 ]
Wang, Liang [1 ]
Beresneviciute, Raminta [3 ]
Tavgeniene, Daiva [3 ]
Kapil, Gaurav [1 ]
Ding, Chao [4 ,5 ]
Baranwal, Ajay Kumar [1 ]
Sahamir, Shahrir Razey [1 ]
Sanehira, Yoshitaka [1 ]
Segawa, Hiroshi [2 ]
Grigalevicius, Saulius [3 ]
Shen, Qing [1 ,4 ]
Hayase, Shuzi [1 ,4 ]
机构：
[1] Univ Electrocommun, i Powered Energy Syst Res Ctr i PERC, Chofu, Tokyo 1828585, Japan
[2] Univ Tokyo, Res Ctr Adv Sci & Technol, Meguro Ku, Tokyo 1538904, Japan
[3] Kaunas Univ Technol, Dept Polymer Chem & Technol, LT-50254 Kaunas, Lithuania
[4] Univ Electrocommun, Grad Sch Informat & Engn, Chofu, Tokyo 1828585, Japan
[5] Sichuan Univ, Inst New Energy & Low Carbon Technol, Chengdu, Peoples R China
来源：
ACS ENERGY LETTERS | 2023年 / 8卷 / 09期
关键词：
STABILITY;
D O I：
10.1021/acsenergylett.3c01275
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：
Self-assembled molecules (SAMs) have been widely employed as hole transport layers (HTLs) that can improve the power conversion efficiency (PCE) of perovskite solar cells (PSCs). However, few SAMs are effective for wide band gap (WBG; E-g = 1.77 eV) PSCs. We found that [3-[4-(diphenylamino)phenyl]-9H-carbazol-9-yl]propylphosphonic acid (4dp3PACz) working as a monomolecular HTL is effective for WPG (FA(0.8)Cs(0.2)PbI(1.8)Br(1.2)) PSCs. The 4dp3PACz improved the quality of the perovskite film and reduced the defect density of the film, which reduced the nonradiative recombination and enhanced the carrier transport. 17.17% efficiency is reported. In addition, all-perovskite tandem solar cells consisting of the WBG PSC as the top cell gave 26.47% efficiency.
引用
收藏
页码：3852 / 3859
页数：8
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