TY - JOUR
T1 - Mesoscale Ordering 3D Mosaic Self-Assembly of Dopant-Free Hole Transport Material for Perovskite Solar Cells
AU - Liu, Xiaoyuan
AU - Wang, Keli
AU - Li, Yuheng
AU - You, Shuai
AU - Liu, Tuo
AU - Lv, Yifan
AU - Li, Yuan
AU - Wang, Yu
AU - He, Haoxiang
AU - Li, Yinxin
AU - Chen, Qian
AU - Xie, Pengfei
AU - Chen, Yonghua
AU - Li, Xiong
AU - Xu, Zong Xiang
N1 - Publisher Copyright:
© 2024 American Chemical Society.
PY - 2024/5/10
Y1 - 2024/5/10
N2 - To enhance n-i-p perovskite solar cell (PSC) performance, we optimized the hole transport material (HTM) by using a cost-effective N,N′-bicarbazole-based molecule, BCzSPA, with a 3D conjugated extended “L”-type configuration, to fix the molecular packing model and charge hopping channel. By implementing mesoscale molecular tailoring strategies to order the molecular stacking of BCzSPA, we have significantly realized a dense 3D mosaic self-assembly with intermolecular coupling and multichannel charge hopping properties. The proper incorporation of heteroatom-promoted multidirectional molecular interactions and enhanced morphological stability has simultaneously optimized the perovskite/HTM interfacial contact, inhibited defect formation, and further suppressed charge recombination loss. As a result, the resulting PSCs have achieved a promising efficiency of 25.42% (certified PCE, 24.53%) for a small-area (0.1 cm2) device as well as 24.01% for a large-area (1 cm2) device, while demonstrating remarkable stabilities, with T80 lifetimes exceeding 2400 h under operation or thermal aging at 85 °C.
AB - To enhance n-i-p perovskite solar cell (PSC) performance, we optimized the hole transport material (HTM) by using a cost-effective N,N′-bicarbazole-based molecule, BCzSPA, with a 3D conjugated extended “L”-type configuration, to fix the molecular packing model and charge hopping channel. By implementing mesoscale molecular tailoring strategies to order the molecular stacking of BCzSPA, we have significantly realized a dense 3D mosaic self-assembly with intermolecular coupling and multichannel charge hopping properties. The proper incorporation of heteroatom-promoted multidirectional molecular interactions and enhanced morphological stability has simultaneously optimized the perovskite/HTM interfacial contact, inhibited defect formation, and further suppressed charge recombination loss. As a result, the resulting PSCs have achieved a promising efficiency of 25.42% (certified PCE, 24.53%) for a small-area (0.1 cm2) device as well as 24.01% for a large-area (1 cm2) device, while demonstrating remarkable stabilities, with T80 lifetimes exceeding 2400 h under operation or thermal aging at 85 °C.
UR - http://www.scopus.com/inward/record.url?scp=85192169280&partnerID=8YFLogxK
U2 - 10.1021/acsenergylett.4c00585
DO - 10.1021/acsenergylett.4c00585
M3 - 文章
AN - SCOPUS:85192169280
SN - 2380-8195
VL - 9
SP - 2446
EP - 2455
JO - ACS Energy Letters
JF - ACS Energy Letters
IS - 5
ER -
