Characterization of the Pore Structure of Three-Dimensionally Ordered Mesoporous Carbons Using High Resolution Gas Sorption.

Beitrag in einer Fachzeitschrift
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Details zur Publikation

Autorinnen und Autoren: Cychosz KA, Guo X, Fan W, Cimino R, Gor GY, Tsapatsis M, Neimark AV, Thommes M
Zeitschrift: Langmuir
Verlag: American Chemical Society
Jahr der Veröffentlichung: 2012
Band: 28
Heftnummer: 34
Seitenbereich: 12647-12654-12654
ISSN: 0743-7463
eISSN: 1520-5827


Abstract

The use of colloidal crystals with various primary particle sizes as templates leads to the formation of three-dimensionally ordered mesoporous (3DOm) carbons contg. spherical pores with tailorable pore size and extremely high pore vols. We present a comprehensive structural characterization of these novel carbons by using nitrogen (77.4 K) and argon (87.3 K) adsorption coupled with the application of novel, dedicated quenched solid d. functional theory (QSDFT) methods which assume correctly the underlying spherical pore geometry and also the underlying adsorption mechanism. The obsd. adsorption isotherms are of Type IV with Type H1-like hysteresis, despite the fact that pore blocking affects the position of the desorption branch. This follows also from detailed, advanced scanning hysteresis expts. which not only allow one to identify the underlying mechanisms of hysteresis, but also provide complementary information about the texture of these unique porous materials. This work addresses the problem of pore size anal. of novel, ordered porous carbons and highlights the importance of hysteresis scanning expts. for textural anal. of the pore network. [on SciFinder(R)]


Einrichtungen weiterer Autorinnen und Autoren

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Zitierweisen

APA:
Cychosz, K.A., Guo, X., Fan, W., Cimino, R., Gor, G.Y., Tsapatsis, M.,... Thommes, M. (2012). Characterization of the Pore Structure of Three-Dimensionally Ordered Mesoporous Carbons Using High Resolution Gas Sorption. Langmuir, 28(34), 12647-12654-12654. https://dx.doi.org/10.1021/la302362h

MLA:
Cychosz, Katie A., et al. "Characterization of the Pore Structure of Three-Dimensionally Ordered Mesoporous Carbons Using High Resolution Gas Sorption." Langmuir 28.34 (2012): 12647-12654-12654.

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