TY - JOUR
T1 - High-Hole-Mobility Metal–Organic Framework as Dopant-Free Hole Transport Layer for Perovskite Solar Cells
AU - Wang, Ruonan
AU - Yu, Weikang
AU - Sun, Cheng
AU - Chiranjeevulu, Kashi
AU - Deng, Shuguang
AU - Wu, Jiang
AU - Yan, Feng
AU - Peng, Changsi
AU - Lou, Yanhui
AU - Xu, Gang
AU - Zou, Guifu
N1 - Funding Information:
We gratefully acknowledge the support from the Priority Academic Program Development (PADA) of Jiangsu Higher Education Institutions for Optical Engineering, the Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province and Key Lab of Modern Optical Technologies of Education Ministry of China in Soochow University, and Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering in Changzhou University.
Publisher Copyright:
© 2021, The Author(s).
PY - 2022
Y1 - 2022
N2 - A dopant-free hole transport layer with high mobility and a low-temperature process is desired for optoelectronic devices. Here, we study a metal–organic framework material with high hole mobility and strong hole extraction capability as an ideal hole transport layer for perovskite solar cells. By utilizing lifting-up method, the thickness controllable floating film of Ni3(2,3,6,7,10,11-hexaiminotriphenylene)2 at the gas–liquid interface is transferred onto ITO-coated glass substrate. The Ni3(2,3,6,7,10,11-hexaiminotriphenylene)2 film demonstrates high compactness and uniformity. The root-mean-square roughness of the film is 5.5 nm. The ultraviolet photoelectron spectroscopy and the steady-state photoluminescence spectra exhibit the Ni3(HITP)2 film can effectively transfer holes from perovskite film to anode. The perovskite solar cells based on Ni3(HITP)2 as a dopant-free hole transport layer achieve a champion power conversion efficiency of 10.3%. This work broadens the application of metal–organic frameworks in the field of perovskite solar cells. Graphical Abstract: [Figure not available: see fulltext.].
AB - A dopant-free hole transport layer with high mobility and a low-temperature process is desired for optoelectronic devices. Here, we study a metal–organic framework material with high hole mobility and strong hole extraction capability as an ideal hole transport layer for perovskite solar cells. By utilizing lifting-up method, the thickness controllable floating film of Ni3(2,3,6,7,10,11-hexaiminotriphenylene)2 at the gas–liquid interface is transferred onto ITO-coated glass substrate. The Ni3(2,3,6,7,10,11-hexaiminotriphenylene)2 film demonstrates high compactness and uniformity. The root-mean-square roughness of the film is 5.5 nm. The ultraviolet photoelectron spectroscopy and the steady-state photoluminescence spectra exhibit the Ni3(HITP)2 film can effectively transfer holes from perovskite film to anode. The perovskite solar cells based on Ni3(HITP)2 as a dopant-free hole transport layer achieve a champion power conversion efficiency of 10.3%. This work broadens the application of metal–organic frameworks in the field of perovskite solar cells. Graphical Abstract: [Figure not available: see fulltext.].
KW - Dopant-free hole transport materials
KW - High hole mobility
KW - Metal–organic frameworks
KW - Ni(2,3,6,7,10,11-hexaiminotriphenylene)
KW - Perovskite solar cells
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U2 - 10.1186/s11671-021-03643-7
DO - 10.1186/s11671-021-03643-7
M3 - Article
AN - SCOPUS:85122515787
VL - 17
JO - Nanoscale Research Letters
JF - Nanoscale Research Letters
SN - 1931-7573
IS - 1
M1 - 6
ER -