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Mechanical properties enhanced by solid-state coupling reaction for molecular covalent bridges of carbon nanotube fibers

Autor: Hungo Choo, Ok-Kyung Park, Bon-Cheol Ku, Youngjin Jeong, Hyunju Kim, Hwan Chul Kim, Nam-Ho You, Jae Kwan Lee

Publikováno v: Materials Letters. 211:243-246

Carbon nanotubes (CNTs) exhibit outstanding mechanical and electrical properties. However, CNT fibers (CNTFs) have still problems in realizing these properties because of the weak forces between nanotubes with many defects of individual CNTs. Here, w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f97175a8710ea99c4a3351067218b1f8
https://doi.org/10.1016/j.matlet.2017.09.119

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Study on the measurement of initial color and fading speed of photochromic lens

Autor: Jiadeng Zhu, Hwan Chul Kim, Hungo Choo

Publikováno v: Fibers and Polymers. 13:1179-1184

Reversible and stable photochromic plastic lenses were obtained using photochromic dyes that were mixed during the casting process of the lens. Photochromic lenses with blue, red, yellow, and gray dyes as well as different concentrations of blue dye

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::10923589f662e5e3cd83335d72baf08d
https://doi.org/10.1007/s12221-012-1179-4

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Fabrication and Applications of Carbon Nanotube Fibers

Autor: Youngjin Jeong, Hwan Chul Kim, Hungo Choo, Yeonsu Jung, Bon-Cheol Ku

Publikováno v: Carbon letters. 13:191-204

Carbon nanotubes (CNTs) have exceptional mechanical, electrical, and thermal properties compared with those of commercialized high-performance fibers. For use in the form of fabrics that can maintain such properties, individual CNTs should be held to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e864bf8f245adb0df4923b4505f552c3
https://doi.org/10.5714/cl.2012.13.4.191

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Chemical method for improving both the electrical conductivity and mechanical properties of carbon nanotube yarn via intramolecular cross-dehydrogenative coupling

Autor: Pill-Hoon Bong, Hungo Choo, Hwan Chul Kim, Nam-Ho You, Hyeonuk Yeo, Dong Su Lee, Yong-Mun Choi, Youngjin Jeong, Munju Goh, Bon-Cheol Ku

Publikováno v: ACS applied materialsinterfaces. 5(16)

Chemical post-treatment of the carbon nanotube fiber (CNTF) was carried out via intramolecular cross-dehydrogenative coupling (ICDC) with FeCl3 at room temperature. The Raman intensity ratio of the G band to the D band (IG/ID ratio) of CNT fiber incr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3150160b207a23db4564a503b3147d74
https://pubmed.ncbi.nlm.nih.gov/23947825

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