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A natural multifunctional antisolvent additive for efficient full-air-processed carbon-based perovskite solar cells
Yiqiong Zhang1, Xiangqian Cui1, Xinyi Zhang1
1School of Chemistry and Chemical Engineering, Nantong University, Nantong 226001, Jiangsu, China. mmwang0528@ntu.edu.cn.
Chemical Communications (Cambridge, England)
|February 18, 2026
Summary
Researchers used 2'-deoxyadenosine 5'-triphosphate (dATP) to improve perovskite solar cells (PSCs). This natural molecule enhanced crystallization, reduced defects, and boosted performance to 20.01% efficiency in air-processed devices.
Area of Science:
- Materials Science
- Chemistry
- Renewable Energy
Background:
- Perovskite solar cells (PSCs) offer promising photovoltaic performance.
- Developing efficient and stable PSCs, especially those processed in ambient air, remains a challenge.
- Defect passivation and controlled crystallization are crucial for enhancing PSC efficiency.
Purpose of the Study:
- To investigate the use of 2 -deoxyadenosine 5 -triphosphate (dATP) as an antisolvent additive in perovskite crystallization.
- To evaluate the impact of dATP on defect passivation and energy regulation in PSCs.
- To achieve enhanced photovoltaic performance in full-air-processed carbon-based PSCs (c-PSCs).
Main Methods:
- Utilizing dATP as a natural molecule antisolvent additive during perovskite film formation.
- Processing carbon-based PSCs (c-PSCs) under full-air conditions.
- Characterizing the effects of dATP on perovskite crystallization, defect density, and energy levels.
Main Results:
- dATP effectively controlled perovskite crystallization.
- Simultaneous defect passivation and energy regulation were achieved using dATP.
- Full-air-processed c-PSCs exhibited enhanced photovoltaic performance.
Conclusions:
- 2 -deoxyadenosine 5 -triphosphate (dATP) is a viable additive for improving perovskite solar cell fabrication.
- The use of dATP enables efficient, air-processed carbon-based PSCs with high performance.
- This approach offers a pathway towards scalable and cost-effective perovskite solar cell technology.
