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Liquid-like adsorbent assembled by CNTs: Serving as renewable CO_(2) capture materials for indoor air

Journal of Energy Chemistry 2021年第12期30卷 574-584,I0014页

作者： Jae Won Lee Minjae kim Han Sol Jung Ronghuan Xu seonggon kim Yong Tae Kang School of Mechanical Engineering Korea UniversitySeoul 02841South Korea

In this study,a CO_(2) capture material in the form of liquid-like adsorbents(LLAs) is developed to overcome the limitations of conventional types of *** increase in indoor activities necessitates the capture of CO_(2) in enclosed indoor *** spaces require safe and stable materials for CO_(2) capture because humans are present in these *** adsorbents are mainly used because liquid absorbents are unsuitable owing to noise and scattering *** LLA,the liquid absorbent assembled by carbon nanotubes(CNTs) is solidified and prevented from flowing and scattering *** present to maintain 95% of initial capacity after recycling 20 times,and have characteristics that can be regenerated in a low temperature heat source(80 to 120℃) and moisture *** work not only provides indoor useable CO_(2) capture materials,but also offers a new prospect in the field of adsorbents.

关键词： CO_(2)capture CNT Silicone oil Adsorbents Indoor air

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Fundamental principles and development of proximity-field nanopatterning toward advanced 3D nanofabrication

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Nano Research 2021年第9期14卷 2965-2980页

作者： Sang-Hyeon Nam Gayea Hyun Donghwi Cho seonggon Han Gwangmin Bae Haomin Chen Kisun kim Youngjin Ham Junyong Park Seokwoo Jeon Department of Materials Science and Engineering Korea Advanced Institute of Science and Technology(KAIST)Daejeon 34141Republic of Korea Department of Mechanical and Aerospace Engineering The Hong Kong University of Science and TechnologyClear Water BayKowloonHong KongChina School of Materials Science and Engineering Kumoh National Institute of TechnologyGumiGyeongbuk 39177Republic of Korea Department of Energy Engineering Convergence Kumoh National Institute of TechnologyGumiGyeongbuk 39177Republic of Korea KAIST Institute for NanoCentury(KINC) KAISTDaejeon 34141Republic of Korea

Three-dimensional(3D)nanoarchitectures have offered unprecedented material performances in diverse applications like energy storages,catalysts,electronic,mechanical,and photonic *** outstanding performances are attributed to unusual material properties at the nanoscale,enormous surface areas,a geometrical uniqueness,and comparable feature sizes with optical *** the practical use of the unusual nanoscale properties,there have been developments for macroscale fabrications of the 3D nanoarchitectures with process areas over centimeter *** the many fabrication methods for 3D structures at the nanoscale,proximity-field nanopatterning(PnP)is one of the promising techniques that generates 3D optical holographic images and transforms them into material structures through a lithographic *** conformal and transparent phase masks as a key factor,the PnP process has advantages in terms of stability,uniformity,and reproducibility for 3D nanostructures with periods from 300 nm to several *** merits of realizing precise 3D features with sub-100 nm and rapid processes are attributed to the interference of coherent light diffracted by phase *** this review,to report the overall progress of PnP from 2003,we present a comprehensive understanding of PnP,including its brief history,the fundamental principles,symmetry control of 3D nanoarchitectures,material issues for the phase masks,and the process area expansion to the wafer-scale for the target ***,technical challenges and prospects are discussed for further development and practical applications of the PnP technique.

关键词： proximity-field nanopatterning three-dimensional(3D)nanostructures phase mask interference lithography

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