TY - JOUR
T1 - Replication of mesoporous aluminosilicate molecular sieves (RMMs) with zeolite framework from mesoporous carbons (CMKs)
AU - Sakthivel, Ayyamperumal
AU - Huang, Shing Jong
AU - Chen, Wen Hua
AU - Lan, Zon Huang
AU - Chen, Kuei Hsien
AU - Kim, Tae Wan
AU - Ryoo, Ryong
AU - Chiang, Anthony S.T.
AU - Liu, Shang Bin
PY - 2004/8/10
Y1 - 2004/8/10
N2 - A novel class of mesoporous aluminosilicate molecular sieves has been prepared by replication from carbon mesoporous molecular sieves (CMKs) using zeolite precursors and characterized by a variety of analytical and spectroscopic techniques, such as XRD, N2 adsorption/desorption, SEM/TEM, IR, hyperpolarized (HP) 129Xe, and 31P MAS NMR. These replicated mesoporous materials (RMMs), namely RMM-1 and RMM-3 prepared from CMK-1 and CMK-3, were found to exhibit mesoporous structures respectively analogous to Al-MCM-48 and Al-SBA-15 but possess unique microporous characteristics due to the presence of zeolite secondary building units in the framework. Consequently, these RMMs are also found to have superior thermal, hydrothermal, and mechanical stabilities and with improved acidic properties compared to their respective parent counterparts. The RMM-3 so prepared represents the first synthesis of protonated aluminosilicate with an SB A-15 structure prepared by a nonacidic route.
AB - A novel class of mesoporous aluminosilicate molecular sieves has been prepared by replication from carbon mesoporous molecular sieves (CMKs) using zeolite precursors and characterized by a variety of analytical and spectroscopic techniques, such as XRD, N2 adsorption/desorption, SEM/TEM, IR, hyperpolarized (HP) 129Xe, and 31P MAS NMR. These replicated mesoporous materials (RMMs), namely RMM-1 and RMM-3 prepared from CMK-1 and CMK-3, were found to exhibit mesoporous structures respectively analogous to Al-MCM-48 and Al-SBA-15 but possess unique microporous characteristics due to the presence of zeolite secondary building units in the framework. Consequently, these RMMs are also found to have superior thermal, hydrothermal, and mechanical stabilities and with improved acidic properties compared to their respective parent counterparts. The RMM-3 so prepared represents the first synthesis of protonated aluminosilicate with an SB A-15 structure prepared by a nonacidic route.
UR - http://www.scopus.com/inward/record.url?scp=3543061625&partnerID=8YFLogxK
U2 - 10.1021/cm035293k
DO - 10.1021/cm035293k
M3 - 期刊論文
AN - SCOPUS:3543061625
SN - 0897-4756
VL - 16
SP - 3168
EP - 3175
JO - Chemistry of Materials
JF - Chemistry of Materials
IS - 16
ER -