Organo-functionalized surface modified MCM-41 type mesoporous materials having various organic functional groups

2000 ◽  
pp. 283-286 ◽  
Author(s):  
Priyabrata Mukherjee ◽  
Subhash Laha ◽  
Deendayal Mandai ◽  
Rajiv Kumar
Keyword(s):  
Functional Groups ◽  
Mesoporous Materials ◽  
Organic Functional Groups ◽  
Surface Modified ◽  
Functionalized Surface ◽  
Mcm 41

Heteropolyacids supported on micro/mesoporous materials PMoW@HKUST-1@ZSM-5-MCM-41: Effective catalyst for oxidative desulfurization with oxygen

2021 ◽  
Vol 504 ◽  
pp. 111419
Author(s):  
Jiarong Li ◽  
Zhe Liu ◽  
Guangfa Hu ◽  
Ruimin Gao ◽  
Ronglan Zhang ◽  
...  
Keyword(s):  
Mesoporous Materials ◽  
Oxidative Desulfurization ◽  
Effective Catalyst ◽  
Mcm 41

scholarly journals Electrochemical Evaluation of Surface Modified Free-Standing CNT Electrode for Li–O2 Battery Cathode

Energies ◽  
2021 ◽  
Vol 14 (14) ◽  
pp. 4196
Author(s):  
Ji Hyeon Lee ◽  
Hyun Wook Jung ◽  
In Soo Kim ◽  
Min Park ◽  
Hyung-Seok Kim
Keyword(s):  
Functional Groups ◽  
Atomic Layer ◽  
Free Standing ◽  
Coating Technology ◽  
Oxygen Functional Groups ◽  
Layer Deposition ◽  
Discharge Product ◽  
Effect Of Oxygen ◽  
Surface Modified ◽  
Electrochemical Evaluation

In this study, carbon nanotubes (CNTs) were used as cathodes for lithium–oxygen (Li–O2) batteries to confirm the effect of oxygen functional groups present on the CNT surface on Li–O2 battery performance. A coating technology using atomic layer deposition was introduced to remove the oxygen functional groups present on the CNT surface, and ZnO without catalytic properties was adopted as a coating material to exclude the effect of catalytic reaction. An acid treatment process (H2SO4:HNO3 = 3:1) was conducted to increase the oxygen functional groups of the existing CNTs. Therefore, it was confirmed that ZnO@CNT with reduced oxygen functional groups lowered the charging overpotential by approximately 230 mV and increased the yield of Li2O2, a discharge product, by approximately 13%. Hence, we can conclude that the ZnO@CNT is suitable as a cathode material for Li–O2 batteries.

Photoinduced charge separation in microporous and mesoporous materials

2011 ◽  
Vol 89 (3) ◽  
pp. 257-265 ◽  
Author(s):  
Ranjit T. Koodali
Keyword(s):  
Mesoporous Materials ◽  
Charge Separation ◽  
Organic Molecules ◽  
Microporous Materials ◽  
Photoinduced Charge Separation ◽  
Photoinduced Charge ◽  
Mcm 41

A review of photoinduced charge separation of organic molecules in microporous and mesoporous materials is presented. In particular, the photoionization of N-alkylphenothiazine (PCn), N,N,N′,N′-tetramethylbenzidine (TMB), and porphyrin in microporous materials, such as zeolites, aluminophosphates (AlPOs), silicoaluminophosphates (SAPOs), and mesoporous materials, such as MCM-41, MCM-48, and SBA-15, is discussed.

scholarly journals Adsorption of yellow dye on calcined or uncalcined Al-MCM-41 mesoporous materials

2017 ◽  
Vol 10 ◽  
pp. S2160-S2169 ◽  
Author(s):  
Bouhadjar Boukoussa ◽  
Rachida Hamacha ◽  
Amine Morsli ◽  
Abdelkader Bengueddach
Keyword(s):  
Mesoporous Materials ◽  
Mcm 41

The Swiss army knife of biological catalysis: A compact toolkit of organic functional groups

Complexity ◽  
2006 ◽  
Vol 11 (3) ◽  
pp. 9-10 ◽  
Author(s):  
Harold J. Morowitz ◽  
Vijayasarathy Srinivasan ◽  
Eric Smith
Keyword(s):  
Functional Groups ◽  
Organic Functional Groups ◽  
Biological Catalysis

Colorimetric methods for determining organic functional groups. II

1969 ◽  
Vol 57 (4) ◽  
pp. 821-825 ◽  
Author(s):  
Walter L. Nazimowitz ◽  
T. S. Ma
Keyword(s):  
Functional Groups ◽  
Organic Functional Groups ◽  
Colorimetric Methods

Dissipative Forced Intrusion Of Water In Hydrophobic Porous Silica: A New Field of Applications For MCM-41 Type Materials

2002 ◽  
Vol 726 ◽  
Author(s):  
Benoit Lefevre ◽  
Pierre F. Gobin ◽  
Thierry Martin ◽  
Anne Galarneau ◽  
Daniel Brunel
Keyword(s):  
Energy Dissipation ◽  
Mesoporous Materials ◽  
Porous Silica ◽  
Mechanical Field ◽  
New Type ◽  
Highly Hydrophobic ◽  
Materials Behavior ◽  
Mcm 41

AbstractRecently microporous and mesoporous materials were found to be particularly suitable for a new type of applications in the mechanical field. This paper reports experimental features about the dissipative forced intrusion of water in highly hydrophobic mesoporous materials: this phenomenon can be used to develop a new type of dampers and/or actuators. Silica-based materials behavior was investigated. Among them, MCM-41 exhibit original and interesting properties towards the potential developments of dampers and appear to be of great interest for the comprehension of energy dissipation mechanisms.

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