Rui Zeng¹, Feng Liu^1*

1 School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China.

* Corresponding authors emails: fengliu82@sjtu.edu.cn

DOI10.24435/materialscloud:p3-qv [version v1]

Publication date: Oct 02, 2024

How to cite this record

Rui Zeng, Feng Liu, Organic solar cells with eco-friendly preparation to achieve an efficiency of 20%, Materials Cloud Archive 2024.146 (2024), https://doi.org/10.24435/materialscloud:p3-qv

Description

Thin film organic photovoltaics (OPVs) aspire to extract solar energy in a green, high efficiency, and cost-effective pathway, offering a sustainable solution to energy and ecosystem. We take the effort of developing low ecological harmful solvent processing of OPV devices and mini-modules, to strengthen the environmental benefits of OPV. New formula utilizing safer solvents enhanced with additives affords an optimal laboratory device efficiency of 20% as well as superior operational and thermal stability. Mini-module shows an efficiency up to 17.6% in upscaled processing, representing the highest performance for green solvent OPV development. Suitable nanoscaled phase separation is obtained in together with a micron-scale surface wrinkle pattern from the new developed processing strategy. Thus efficient photon-to-electron conversion at nano-interfaces and light extraction in broader receiving angles is achieved, which allows for more flexible installation geometries in building-integrated applications.

Materials Cloud sections using this data

Files

File name	Size	Description
Fig_2b.xlsx MD5md5:7ae4b9062d898cc8a051e06592c4071e	13.3 KiB	Histogram of PCE measurement for devices in corresponding condition prepared by OXY under AM 1.5G, 100 mA cm−2.
Supplementary_Fig_4d.xlsx MD5md5:697f8f31ff1cf3882629007b2067e8ab	13.4 KiB	Histogram of PCE measurement for devices in corresponding condition prepared by CF under AM 1.5G, 100 mA cm−2.
Supplementary_Table_3.xlsx MD5md5:6b6ccb81083f29e9ec6a34002f43b5ed	22.3 KiB	The efficiency for PM6:PYIT:L8BO in all studied solvents under AM 1.5G, 100 mA cm−2 radiation.
Supplementary_Table_4.xlsx MD5md5:81e7f374efdc24f3dd20299ab7c772d8	10.3 KiB	The efficiency for currently commonly-used high-performance active layer materials by safety solvents processing under AM 1.5G, 100 mA cm−2 radiation.
Table_1.xlsx MD5md5:5bc3b1cc2c018b1cdb803ecf6e0ede2b	16.9 KiB	The efficiency for ternary BHJ of PM6:PY-IT:L8-BO in different solvents and additive condition under AM 1.5G, 100 mA cm−2.

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External references

Keywords

organic solar cells sustainability long-term lifetime