硫模板法制备多孔石墨纳米笼及其性能表征

doi:10.3724/SP.J.1077.2013.13252

无机材料学报 ›› 2013, Vol. 28 ›› Issue (12): 1376-1380.DOI: 10.3724/SP.J.1077.2013.13252 CSTR: 32189.14.SP.J.1077.2013.13252

硫模板法制备多孔石墨纳米笼及其性能表征

盛赵旻, 王樱, 常程康, 刘晓荣, 章冬云, 刘艳

(上海应用技术学院材料科学与工程学院, 上海 201418)

收稿日期:2013-05-06 修回日期:2013-06-08 出版日期:2013-12-20 网络出版日期:2013-11-15
基金资助:
Shanghai Municipal Education Commission (J51504, 13YZ118); National Natural Science Foundation of China (21306113, 51074107); Shanghai Institute of Technology (YJ2013-1); Pujiang Talent Project (13PJ1407400)

Synthesis and Characterization of Nanoporous Graphitic Nanocages by Sulfur-doping Template Method

SHENG Zhao-Min, WANG-Ying, CHANG Cheng-Kang, LIU Xiao-Rong, ZHANG Dong-Yun, LIU Yan

(School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 201418, China)

Received:2013-05-06 Revised:2013-06-08 Published:2013-12-20 Online:2013-11-15
Supported by:
Shanghai Municipal Education Commission (J51504, 13YZ118); National Natural Science Foundation of China (21306113, 51074107); Shanghai Institute of Technology (YJ2013-1); Pujiang Talent Project (13PJ1407400)

摘要/Abstract

摘要： 本文研究出一种利用硫模板制备多孔石墨纳米笼的方法, 其核心为利用空气氧化将石墨层中掺杂的硫除去并在原位产生纳米孔洞。硫的掺杂是在碳包裹铁纳米核壳颗粒制备中同时进行的, 随后将其中铁基内核除去即得硫掺杂的石墨纳米笼。将其中的硫除去后, 石墨纳米笼的比表面积(由540 m²/g提高至850 m²/g)和介孔孔容(由0.44 cm³/g提高至0.9 cm³/g)均有显著提高。与传统制备多孔石墨纳米材料的方法相比, 本方法在显著提高材料比表面积的同时未对纳米笼的石墨化结构有明显破坏。

关键词: 掺杂, 高比表面积, 石墨烯, 碳纳米角, XPS

Abstract: A new sulfur(S)-doping template approach was demonstrated to fabricate highly nanoporous graphitic nanocages (GNCs) by air-oxidizing the template in the graphitic shells to create nanopores. Sulfur was introduced into graphitic shells, when Fe@C core-shell nanoparticles were prepared and then S-doped GNCs were obtained by removing their ferrous cores. Due to removing S-template, both the specific surface area and the mesopore volume of the GNCs have sharply risen from 540 to 850 m²/g, 0.44 to 0.90 cm³/g, resrepectively. Compared with traditional approaches for highly nanoporous graphitic nanomaterials, present S-template approach can sharply increase specific surface area of GNCs without violently destroying their graphitic structure.

Key words: doping, high specific surface area, graphene, carbon nanohorns, XPS

中图分类号:

TQ174

盛赵旻, 王樱, 常程康, 刘晓荣, 章冬云, 刘艳. 硫模板法制备多孔石墨纳米笼及其性能表征[J]. 无机材料学报, 2013, 28(12): 1376-1380.

SHENG Zhao-Min, WANG-Ying, CHANG Cheng-Kang, LIU Xiao-Rong, ZHANG Dong-Yun, LIU Yan. Synthesis and Characterization of Nanoporous Graphitic Nanocages by Sulfur-doping Template Method[J]. Journal of Inorganic Materials, 2013, 28(12): 1376-1380.

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硫模板法制备多孔石墨纳米笼及其性能表征

Synthesis and Characterization of Nanoporous Graphitic Nanocages by Sulfur-doping Template Method

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