Pore Structure Characterization of Poly(vinylidene chloride)-Derived Nanoporous Carbons

Hwan Jung Jung; Yong-Jung Kim; Dae Ho Lee; HAN， Jonghun (한종훈); YANGKAPSEUNG (양갑승); Cheol-Min Yang

doi:10.5714/CL.2012.13.4.236

Pore Structure Characterization of Poly(vinylidene chloride)-Derived Nanoporous Carbons

Carbon Letters
Abbr : Carbon Lett.
2012, 13(4), pp.236-242
DOI : 10.5714/CL.2012.13.4.236
Publisher : Korean Carbon Society
Research Area : Natural Science > Natural Science General > Other Natural Sciences General

Hwan Jung Jung ¹, Yong-Jung Kim ², Dae Ho Lee ³, HAN， Jonghun ⁴, YANGKAPSEUNG ⁴, Cheol-Min Yang ¹

¹Korea Institute of Science and Technology
²Research Institute of Industrial Science and Technology
³Chiba University
⁴전남대학교

Accredited

ABSTRACT

Poly(vinylidene chloride) (PVDC)-derived nanoporous carbons were prepared by various activation methods: heat-treatment under an inert atmosphere, steam activation, and potassium hydroxide (KOH) activation at 873, 1073, and 1273 K. The pore structures of PVDC-derived nanoporous carbons were characterized by the N2 adsorption technique at 77 K. Heat treatment in an inert atmosphere increased the specific surface area and micropore volume with elevating temperature, while the average micropore width near 0.65 nm was not significantly changed, reflecting the characteristic pore structure of ultramicroporous carbon. Steam activation for PVDC at 873 and 1073 K also yielded ultramicroporosity. On the other hand, the steam activated sample at 1273 K had a wider average micropore width of 1.48 nm, correlating with a supermicropore. The KOH activation increased the micropore volume with elevating temperature, which is accompanied by enlargement of the average micropore width from 0.67 to 1.12 nm. The average pore widths of KOH-activated samples were strongly governed by the activation temperature. We expect that these approaches can be utilized to simply control the porosity of PVDC-derived nanoporous carbons.

KEYWORDS

nanoporous carbon, activation, pore structure, adsorption

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Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 4.82

Pore Structure Characterization of Poly(vinylidene chloride)-Derived Nanoporous Carbons

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Citation status

This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2023-01-02)

Total Citation Counts(KCI+WOS) (3) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

* References for papers published after 2023 are currently being built.

Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 4.82

Pore Structure Characterization of Poly(vinylidene chloride)-Derived Nanoporous Carbons

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WoS Citation Counts (3) This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2023-01-02)

Total Citation Counts(KCI+WOS) (3) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

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This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2023-01-02)

* References for papers published after 2023 are currently being built.