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16 October 2023 Amorphous mesoporous carbon nanomaterials converted from waste paper via nanosecond laser photochemical synthesis
Yufeng Tao, Weijie Xu, Xuejiao Wang, Yang Liu, Yunpeng Ren, Kun He, Hui Hao, Guoxiang Hou, Lijing Huang
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Proceedings Volume 12792, Eighteenth National Conference on Laser Technology and Optoelectronics; 127920S (2023) https://doi.org/10.1117/12.2691112
Event: Eighteenth National Conference on Laser Technology and Optoelectronics, 2023, Shanghai, China
Abstract
Micro/nano-structured amorphous carbon promises functional prospects in energy-saving, water purification, nonlinear optics, catalysis, sensors, and the internet of things, but there exist many challenges, especially in rapid synthesized nanostructured carbon materials towards performance improvement. Thereby, a transfer-free digital photochemical synthesis method is studied here via scalable single-step nanosecond laser processing. Controllable photon energy from a 1064nm wavelength nanosecond laser drives different degrees of carbonization on paper surfaces. The blended cellulose-lignin network is converted into a series of micro/nano-stacked porous carbon materials during fabrication. High-resolution transmission electron microscope showcases that lattice characteristics of synthesized carbon shift according to optical parameters. A comparison of material morphologies formed at different conditions can be found here. Nanosecond laser processing opens a new avenue for the rapid preparation of carbon nanomaterials on paper substrates with special textures and special microstructures, promising more carbon-based multifunctional devices.
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Yufeng Tao, Weijie Xu, Xuejiao Wang, Yang Liu, Yunpeng Ren, Kun He, Hui Hao, Guoxiang Hou, and Lijing Huang "Amorphous mesoporous carbon nanomaterials converted from waste paper via nanosecond laser photochemical synthesis", Proc. SPIE 12792, Eighteenth National Conference on Laser Technology and Optoelectronics, 127920S (16 October 2023); https://doi.org/10.1117/12.2691112
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KEYWORDS
Amorphous carbon
Nanomaterials
Nanosecond lasers
Carbon
Cellulose
Fabrication
Nanoparticles
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