Baseplate Temperature–Dependent Vertical Composition Gradient in Pseudo–Bilayer Films for Printing Non–Fullerene Organic Solar Cells
Abstract
Abstract Numerous previous reports on the sequential deposition (SD) technique have demonstrated that this approach can achieve a p‐ i ‐n active layer architecture with an ideal vertical composition gradient, which is one of the critical factors that can influence the physical processes that determine the photovoltaic performance of organic solar cells. Herein, a commonly used photovoltaic system comprised of PM6 as a donor and Y6 as an acceptor is investigated with respect to sequential blade‐processing deposition to comprehensively explore the morphology characteristics as a function of baseplate temperature. A systematic study of the temperature‐dependent blend morphology elucidates the SD‐processed configuration merits and device physics behind temperature‐controlled degree of vertical composition gradient, and constructs the temperature‐microstructure‐property relationship for the corresponding photovoltaic parameters. The result shows, as the temperature increases, the morphology of the active layer has undergone a distinct evolution from the pseudo‐bulk heterojunction to a pseudo‐planar heterojunction and then to a pseudo‐planar bilayer, leading to a non‐monotonic correlation between baseplate temperature and device performance. This investigation not only reveals the importance of precisely controlling baseplate temperature for gaining vertical morphology control, but also provides a path toward rational optimization of device performance in the lab‐to‐fab transition.
- Authors:
-
[6]
- Wuhan Univ. (China)
- Xi'an Jiaotong Univ. (China)
- Shandong Univ., Jinan (China)
- North Carolina State University, Raleigh, NC (United States)
- Xi'an Jiaotong Univ., (China)
- Wuhan Univ. (China) ; South China Univ. of Technology (SCUT), Guangzhou (China); Zhengzhou University (China)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
- Sponsoring Org.:
- USDOE; National Natural Science Foundation of China (NSFC); US Department of the Navy, Office of Naval Research (ONR)
- OSTI Identifier:
- 1981371
- Alternate Identifier(s):
- OSTI ID: 1997049
- Grant/Contract Number:
- AC02-05CH11231; 51773157; 52061135206; N000142012155; DE‐AC02‐05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Advanced Energy Materials
- Additional Journal Information:
- Journal Volume: 11; Journal Issue: 45; Journal ID: ISSN 1614-6832
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY; Chemistry; Energy & Fuels; Materials Science; Physics; D/A mixed region; Morphology evolution; Organic solar cells; Processing temperature; Sequential deposition technology
Citation Formats
Zheng, Yina, Sun, Rui, Zhang, Meng, Chen, Zhihao, Peng, Zhengxing, Wu, Qiang, Yuan, Xinxin, Yu, Yue, Wang, Tao, Wu, Yao, Hao, Xiaotao, Lu, Guanghao, Ade, Harald, and Min, Jie. Baseplate Temperature–Dependent Vertical Composition Gradient in Pseudo–Bilayer Films for Printing Non–Fullerene Organic Solar Cells. United States: N. p., 2021.
Web. doi:10.1002/aenm.202102135.
Zheng, Yina, Sun, Rui, Zhang, Meng, Chen, Zhihao, Peng, Zhengxing, Wu, Qiang, Yuan, Xinxin, Yu, Yue, Wang, Tao, Wu, Yao, Hao, Xiaotao, Lu, Guanghao, Ade, Harald, & Min, Jie. Baseplate Temperature–Dependent Vertical Composition Gradient in Pseudo–Bilayer Films for Printing Non–Fullerene Organic Solar Cells. United States. https://doi.org/10.1002/aenm.202102135
Zheng, Yina, Sun, Rui, Zhang, Meng, Chen, Zhihao, Peng, Zhengxing, Wu, Qiang, Yuan, Xinxin, Yu, Yue, Wang, Tao, Wu, Yao, Hao, Xiaotao, Lu, Guanghao, Ade, Harald, and Min, Jie. Sun .
"Baseplate Temperature–Dependent Vertical Composition Gradient in Pseudo–Bilayer Films for Printing Non–Fullerene Organic Solar Cells". United States. https://doi.org/10.1002/aenm.202102135. https://www.osti.gov/servlets/purl/1981371.
@article{osti_1981371,
title = {Baseplate Temperature–Dependent Vertical Composition Gradient in Pseudo–Bilayer Films for Printing Non–Fullerene Organic Solar Cells},
author = {Zheng, Yina and Sun, Rui and Zhang, Meng and Chen, Zhihao and Peng, Zhengxing and Wu, Qiang and Yuan, Xinxin and Yu, Yue and Wang, Tao and Wu, Yao and Hao, Xiaotao and Lu, Guanghao and Ade, Harald and Min, Jie},
abstractNote = {Abstract Numerous previous reports on the sequential deposition (SD) technique have demonstrated that this approach can achieve a p‐ i ‐n active layer architecture with an ideal vertical composition gradient, which is one of the critical factors that can influence the physical processes that determine the photovoltaic performance of organic solar cells. Herein, a commonly used photovoltaic system comprised of PM6 as a donor and Y6 as an acceptor is investigated with respect to sequential blade‐processing deposition to comprehensively explore the morphology characteristics as a function of baseplate temperature. A systematic study of the temperature‐dependent blend morphology elucidates the SD‐processed configuration merits and device physics behind temperature‐controlled degree of vertical composition gradient, and constructs the temperature‐microstructure‐property relationship for the corresponding photovoltaic parameters. The result shows, as the temperature increases, the morphology of the active layer has undergone a distinct evolution from the pseudo‐bulk heterojunction to a pseudo‐planar heterojunction and then to a pseudo‐planar bilayer, leading to a non‐monotonic correlation between baseplate temperature and device performance. This investigation not only reveals the importance of precisely controlling baseplate temperature for gaining vertical morphology control, but also provides a path toward rational optimization of device performance in the lab‐to‐fab transition.},
doi = {10.1002/aenm.202102135},
journal = {Advanced Energy Materials},
number = 45,
volume = 11,
place = {United States},
year = {Sun Oct 17 00:00:00 EDT 2021},
month = {Sun Oct 17 00:00:00 EDT 2021}
}
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