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Polyoxometalate-coupled graphene nanohybrid via gemini surfactants and its electrocatalytic property for nitrite

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成果类型:
期刊论文
作者:
Chen, Shu;Xiang, Yuanfang;Banks, M. Katherine;Xu, Weijian;Peng, Chang*;Wu, Ruoxi*
通讯作者:
Wu, Ruoxi;Peng, Chang
作者机构:
[Xu, Weijian; Peng, Chang; Chen, Shu; Wu, Ruoxi; Xiang, Yuanfang] Hunan Univ, Coll Chem & Chem Engn, Changsha 410082, Hunan, Peoples R China.
[Peng, Chang] Hunan Agr Univ, Coll Sci, Changsha 410128, Hunan, Peoples R China.
[Banks, M. Katherine; Wu, Ruoxi] Texas A&M Univ, Zachry Dept Civil Engn, College Stn, TX 77843 USA.
通讯机构:
[Wu, Ruoxi; Peng, Chang] Hunan Univ, Coll Chem & Chem Engn, Changsha 410082, Hunan, Peoples R China.
语种:
英文
关键词:
Polyoxometalate;Gemini surfactants;Graphene;Stabilizers;Catalyst
期刊:
APPLIED SURFACE SCIENCE
ISSN:
0169-4332
年:
2019
卷:
466
页码:
110-118
文献类别:
WOS:Article
所属学科:
WOS学科类别:Chemistry, Physical;Materials Science, Coatings & Films;Physics, Applied;Physics, Condensed Matter
入藏号:
基金类别:
National Natural Science Foundation of China [21606081]; Qatar National Research Fund [NPRP8-1292-2-548]
机构署名:
本校为其他机构
院系归属:
理学院
摘要:
A novel graphene oxide (GO)-polyoxometalate (POM) nanohybrid is prepared using gemini surfactants (Gem) as stabilizers for the first time. The electrostatic interactions, chemical structure, and morphology of this Gem-GO-POM nanohybrid are systematically characterized, which have been manifested that the Gem-GO-POM nanohybrid provides uniform distribution of POM nanoparticles on the GO nanosheets and exhibits excellent electrochemical activity and stability due to the use of Gem as linkers and stabilizers. The prepared Gem-GO-POM catalyst used as electrode displays an enhanced electro-oxidation of nitrite compared with pure GO and DTAB-GO-POM hybrid using dodecyl trimethyl ammonium bromide (DTAB) as stabilizers. The proposed nanohybrid structure capitalizes on the enhancing in the oxidation reactions ability of the POM through the Gem linkers to provide more binding sites for POM on the surface of GO.
参考文献:
Borse MS, 2006, ADV COLLOID INTERFAC, V123, P387, DOI 10.1016/j.cis.2006.05.017
Bourlinos AB, 2003, LANGMUIR, V19, P6050, DOI 10.1021/la026525h
Capel-Sanchez MC, 2010, CATAL TODAY, V157, P390, DOI 10.1016/j.cattod.2010.01.047
Cui ZM, 2012, PHYS CHEM CHEM PHYS, V14, P12823, DOI 10.1039/c2cp42022h
Ding L, 2014, J ELECTROANAL CHEM, V727, P69, DOI 10.1016/j.jelechem.2014.06.001

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