TY - JOUR
T1 - General acid and base bifunctional graphene oxide for cooperative catalysis
AU - Zhang, Wenfeng
AU - Gu, Hanying
AU - Li, Zhen
AU - Zhu, Yuanzhi
AU - Li, Yang
AU - Zhang, Guoliang
AU - Zhang, Fengbao
AU - Fan, Xiaobin
N1 - Generated from Scopus record by KAUST IRTS on 2023-09-20
PY - 2014/7/14
Y1 - 2014/7/14
N2 - In this study, a bifunctional graphene oxide material (GO-AEP-UDP) with a general acid, the ureidopropyl (UDP) group, and a general base, the 3-[2-(2-aminoethylamino)ethylamino]-propyl (AEP) group, was synthesized by silylanization of graphene oxide (GO) with organoalkoxysilane precursors. Characterization of the obtained GO-AEP-UDP was carried out by Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS) and zeta potential measurements. Systematic studies demonstrated that GO-AEP-UDP has superior catalytic performance in the classic Henry reaction of 4-nitrobenzaldehyde with nitromethane. It was found that the relative concentration and spatial arrangement of cooperative functional groups were very important factors in the synergistic catalysis. 2014 This journal is © the Partner Organisations.
AB - In this study, a bifunctional graphene oxide material (GO-AEP-UDP) with a general acid, the ureidopropyl (UDP) group, and a general base, the 3-[2-(2-aminoethylamino)ethylamino]-propyl (AEP) group, was synthesized by silylanization of graphene oxide (GO) with organoalkoxysilane precursors. Characterization of the obtained GO-AEP-UDP was carried out by Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS) and zeta potential measurements. Systematic studies demonstrated that GO-AEP-UDP has superior catalytic performance in the classic Henry reaction of 4-nitrobenzaldehyde with nitromethane. It was found that the relative concentration and spatial arrangement of cooperative functional groups were very important factors in the synergistic catalysis. 2014 This journal is © the Partner Organisations.
UR - http://xlink.rsc.org/?DOI=C4TA01446D
UR - http://www.scopus.com/inward/record.url?scp=84902287988&partnerID=8YFLogxK
U2 - 10.1039/c4ta01446d
DO - 10.1039/c4ta01446d
M3 - Article
SN - 2050-7496
VL - 2
SP - 10239
EP - 10243
JO - JOURNAL OF MATERIALS CHEMISTRY A
JF - JOURNAL OF MATERIALS CHEMISTRY A
IS - 26
ER -