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Moon, Hoi Ri
Functional Inorganic Nanomaterials Lab for Energy
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Hierarchically Porous Adamantane-Shaped Carbon Nanoframes

Author(s)
Jeoung, SungeunJu, In TaeKim, Jae HyungJoo, Sang HoonMoon, Hoi Ri
Issued Date
2018-10
DOI
10.1039/C8TA05747H
URI
https://scholarworks.unist.ac.kr/handle/201301/24868
Fulltext
https://pubs.rsc.org/en/content/articlelanding/2018/ta/c8ta05747h#!divAbstract
Citation
JOURNAL OF MATERIALS CHEMISTRY A, v.6, no.39, pp.18906 - 18911
Abstract
Hollow carbons have emerged as a new class of porous carbon materials, showing promise in a variety of areas. However, their morphology has been limited to spherical shapes, with the carbon shell possibly limiting access to their inner surfaces and utilization. Herein, we report a new type of hollow carbon material consisting of non-spherical, adamantane-shaped, hierarchically micro- and macro-porous, N-doped carbon nanoframes (mM-NCs) by exploiting selective etching and pseudomorphic thermal conversion of zeolitic imidazolate framework-8 (ZIF-8). The mM-NCs showed superior performance as adsorbents for large dye molecules and as catalysts for the oxygen reduction reaction relative to macropore-free N-doped carbons, which can be attributed to the presence of macropores, fully utilizable pore surfaces, and nitrogen species.
Publisher
ROYAL SOC CHEMISTRY
ISSN
2050-7488
Keyword
METAL-ORGANIC FRAMEWORKSENHANCED OXYGEN REDUCTIONLITHIUM-SULFUR BATTERIESHIGH-SURFACE-AREANANOPOROUS CARBONEMERGING APPLICATIONSHOLLOW CARBONPERFORMANCECATALYSTSNANOPARTICLES

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