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author:

Wu, Xiankun (Wu, Xiankun.) [1] | Guan, Rong (Guan, Rong.) [2] | Zheng, Wen-Tao (Zheng, Wen-Tao.) [3] | Huang, Kuan (Huang, Kuan.) [4] (Scholars:黄宽) | Liu, Fujian (Liu, Fujian.) [5] (Scholars:刘福建)

Indexed by:

EI SCIE

Abstract:

Porous carbons with large surface areas, abundant mesopores and weak base sites are promising materials for the capture and conversion of CO2. However, it is still challenging to obtain such porous carbons in a facile and template-free way. Herein, nitrogen-decorated micro-mesoporous carbons were synthesized by direct carbonization of porous organic polymers, which were developed through alkylation-induced hyper-crosslink of rigid organic bases without the use of any templates. The synthesized carbons have ultrahigh surface areas of 2366-3580 m(2)/g, total pore volumes of 1.74-3.38 cm(3)/g and N contents of 1.50-3.24 wt%. As a consequence, the synthesized carbons enable highly efficient and selective adsorption of CO2 from CO2/N-2 mixed gas, with the CO2 capacities of 1.50-2.03 mmol/g at 0 degrees C and 15 kPa, and IAST selectivities of 69-78 for CO2/N-2 (0.15/0.85 vol) mixed gas at 0 degrees C and 100 kPa. After loaded with metal salts, the synthesized carbons also exhibit high activities for the catalytic conversion of CO2, with the TOFs of>600 h(-1) for cycloaddition of CO2 with propylene oxide at 100 degrees C and 1.0 MPa. [GRAPHICS] .

Keyword:

Community:

  • [ 1 ] [Wu, Xiankun]Yancheng Teachers Univ, Sch Chem & Environm Engn, Yancheng 224007, Jiangsu, Peoples R China
  • [ 2 ] [Guan, Rong]Yancheng Teachers Univ, Sch Chem & Environm Engn, Yancheng 224007, Jiangsu, Peoples R China
  • [ 3 ] [Zheng, Wen-Tao]Yancheng Teachers Univ, Sch Chem & Environm Engn, Yancheng 224007, Jiangsu, Peoples R China
  • [ 4 ] [Huang, Kuan]Nanchang Univ, Sch Resources Environm & Chem Engn, Nanchang 330031, Jiangxi, Peoples R China
  • [ 5 ] [Wu, Xiankun]Jiangsu Nanda Huaxing Sci & Technol Environm Prot, Yancheng 224001, Jiangsu, Peoples R China
  • [ 6 ] [Liu, Fujian]Fuzhou Univ, Natl Engn Res Ctr Chem Fertilizer Catalyst, Fuzhou 530002, Fujian, Peoples R China

Reprint 's Address:

  • 黄宽 刘福建

    [Zheng, Wen-Tao]Yancheng Teachers Univ, Sch Chem & Environm Engn, Yancheng 224007, Jiangsu, Peoples R China;;[Huang, Kuan]Nanchang Univ, Sch Resources Environm & Chem Engn, Nanchang 330031, Jiangxi, Peoples R China;;[Liu, Fujian]Fuzhou Univ, Natl Engn Res Ctr Chem Fertilizer Catalyst, Fuzhou 530002, Fujian, Peoples R China

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Source :

JOURNAL OF MATERIALS SCIENCE

ISSN: 0022-2461

Year: 2021

Issue: 15

Volume: 56

Page: 9315-9329

4 . 6 8 2

JCR@2021

3 . 5 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:142

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 6

SCOPUS Cited Count: 7

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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