期刊
ACS APPLIED MATERIALS & INTERFACES
卷 13, 期 6, 页码 7600-7607出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.0c21256
关键词
lignin nanoparticles; pi-pi stacking; solar-to-thermal conversion; energy generation; solar steam generation
资金
- National Natural Science Foundation of China [31890774, 31800494]
- Natural Science Funding of Heilong Jiang province for Excellent Young Scholar [YQ2020C017]
- Excellent Young Scholar Sponsorship Program by National Forestry and Grassland Administration of China [2019132611]
- Heilong Jiang Postdoctoral Science Foundation [LBH-Z18005]
- Young Elite Scientists Sponsorship Program by CAST [2018QNRC001]
The study found that lignin nanoparticles can perform stable photothermal conversion, potentially applicable to thermoelectric power generation and solar steam generation technologies, making an important contribution to sustainable energy and clean water production.
Interaction of the conjugated structure in melanin contributed to photothermal conversion. Inspired by this, here, we first demonstrated that lignin nanoparticles (L-NPs) can carry out photothermal conversion, which was attributed to pi-pi stacking of lignin molecules. Lignin can be readily converted into L-NPs, using the self-assembly method at room temperature. L-NPs showed a stable photothermal effect (22%). The L-NPs were successfully used to power a thermoelectric generator and drive a solar steam generation device under standard 1 sun irradiation (100 mW/cm(2)). Because thermoelectric generators and solar steam generation technologies have huge potential for energy generation and water purification, the as-prepared L-NPs are expected to provide an important contribution to sustainable energy and clean water production.
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