期刊
ADVANCED MATERIALS INTERFACES
卷 8, 期 12, 页码 -出版社
WILEY
DOI: 10.1002/admi.202100332
关键词
carbon dots; interfacial interaction; photothermal conversion; polydopamine; water evaporation
资金
- Natural Science Foundation of Shanxi Province [201803D421091, 201903D421082, 201901D111170, 201901D211225]
- Specialized Research Fund for Sanjin Scholars Program of Shanxi Province
- Transformation of Scientific and Technological Achievements Programs of Higher Education Institutions in Shanxi (TSTAP)
- National Natural Science Foundation of China [51502270, U1510125, 51602292]
- Natural Science Foundation of North University of China
In this study, carbon dots modified with polydopamine (CDs/PDA) were successfully prepared as a low-cost and environmentally friendly photothermal material. The interaction between CDs and dopamine significantly accelerated the polymerization of dopamine, leading to enhanced photothermal conversion performance. The obtained CDs/PDA composite exhibited superior photothermal evaporation efficiency and excellent stability, showing great promise for solar-energy-related applications.
Carbon dots modified with polydopamine (CDs/PDA), a low-cost and environmentally friendly photothermal material, is prepared in this work. The results show that the polymerization of dopamine is significantly accelerated due to the interaction between CDs and dopamine. Importantly, the interaction also greatly promotes nonradiative recombination of photoexcited charge carriers, thereby enhancing the photothermal conversion performance of CDs/PDA. The obtained CDs/PDA composite shows superior photothermal evaporation efficiency in comparison with CDs and PDA owing to the enhanced light absorption, porous structure, and appropriate interaction. In addition, CDs/PDA exhibits excellent stability. These merits enable CDs/PDA show great promise in solar-energy-related applications.
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