Quenched solid density functional theory method for characterization of mesoporous carbons by nitrogen adsorption

被引：366

作者：

Gor, Gennady Yu. ^{[1
]}

Thommes, Matthias ^{[2
]}

Cychosz, Katie A. ^{[2
]}

Neimark, Alexander V. ^{[1
]}

机构：

[1] Rutgers State Univ, Dept Chem & Biochem Engn, Piscataway, NJ 08854 USA

[2] Quantachrome Instruments, Boynton Beach, FL 33426 USA

来源：

CARBON | 2012年 / 50卷 / 04期

关键词：

PORE-SIZE CHARACTERIZATION; CAPILLARY CONDENSATION; SILICAS; HYSTERESIS; FRAMEWORKS; NANOPORES; POLYMERS; MCM-41; MODEL; ARGON;

D O I：

10.1016/j.carbon.2011.11.037

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Quenched solid density functional theory (QSDFT) model for characterization of mesoporous carbons using nitrogen adsorption is extended to cylindrical and spherical pore geometries. The kernels of theoretical isotherms in the range from 0.4 to 50 nm are constructed accounting for different possible variations of the pore shapes in micropore and mesopore regions. The results of QSDFT method are illustrated with experimental data on adsorption on novel CMK-3 and 3DOm carbons. The proposed method is recommended for pore size distribution calculations for micro-mesoporous carbons obtained through various templating mechanisms. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1583 / 1590

页数：8

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