Article
Materials Science, Ceramics
Langston Tillman, Albert Voskanyan, Alexandra Navrotsky
Summary: This study successfully synthesized mesoporous silica with an average pore size of 10 nm using forsterite as a silica source, providing a potentially cheaper and more environmentally friendly route to making technologically important porous silica materials.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2023)
Article
Multidisciplinary Sciences
Yujiro Watanabe, Naoki Amitani, Takushi Yokoyama, Akira Ueda, Minoru Kusakabe, Shigeko Unami, Yoshiji Odashima
Summary: Mesoporous silica was successfully synthesized using geothermal water from the Onuma Geothermal Power Plant in Japan for the first time. Cetyltrimethylammonium bromide (CTAB) was used as an organic template for the synthesis, resulting in efficient recovery of supersaturated silicic acid from the geothermal water. The monosilicic acid in geothermal water plays a crucial role in the formation of mesoporous silica, which can contribute to preventing silica scale formation in geothermal power plant piping systems and serve as an industrial resource.
SCIENTIFIC REPORTS
(2021)
Article
Engineering, Environmental
Yihe Miao, Zhijun He, Xuancan Zhu, David Izikowitz, Jia Li
Summary: The research revealed that the CO2 adsorption selectivity of polyethylenimine-loaded mesoporous silica decreases with reduced adsorption temperatures below 15 degrees C. Additionally, a polyamine loading of 50 wt% in tetraethylenepentamine-loaded mesoporous silica exhibits an outstanding capture capacity of 2.30 mmol CO2/g in a wide range of adsorption temperatures under simulated air. Furthermore, the Avrami model could provide a robust prediction for the adsorption and desorption kinetics of polyamine-loaded mesoporous silica even at low temperatures.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Multidisciplinary
Eduardo Hernando Abad, Frederic Bouyer, Laroussi Chaabane, Alan Zerrouki, Jeremie Margueritat, Lucien Saviot
Summary: The vibrational dynamics in the sub-THz range of mesoporous silica nanoparticles with ordered cylindrical mesopores were studied. The structure of MCM-41 and SBA-15 particles was determined using SEM, XRD, N2 physisorption, and Raman scattering. The stiffness of the silica walls (speed of sound) was determined using Brillouin scattering measurements and finite element calculations, and the relevance of this approach was discussed based on the comparison with numerical and experimental results and previous works reported in the literature.
Article
Chemistry, Physical
Elham Chiani, Seyed Naser Azizi, Shahram Ghasemi
Summary: The novel electrocatalyst based on PdCu bimetallic nanoparticles supported on ordered mesoporous silica and multi-walled carbon nanotubes showed excellent catalytic performance for the electrochemical hydrogen evolution reaction. The use of mesoporous SBA-15 and MWCNTs as supports enhanced the efficiency of the catalytic process, providing a low loading of bimetallic catalyst with high catalytic activity.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Applied
Paulina Szczyglewska, Agnieszka Feliczak-Guzik, Izabela Nowak
Summary: The study aimed to comprehensively analyze the catalytic performance of palladium and platinum catalysts on SBA-16 in hydrodeoxygenation of chemical compounds generated in biomass processing. It found significant differences in catalytic performance between palladium and platinum modified materials, with palladium-modified catalyst allowing for high conversion rates and platinum-modified catalyst showing higher selectivity to compounds without oxygen atoms. The direct impact of process conditions (temperature, pressure) on the HDO process was established and characterized.
MICROPOROUS AND MESOPOROUS MATERIALS
(2021)
Article
Engineering, Chemical
John-Timothy Anyanwu, Yiren Wang, Ralph T. Yang
Summary: The water concentration significantly influences amine loading and grafting rate on SBA-15 mesoporous silica, with water being more effective than alcohol. Beyond a certain threshold, increasing aminosilane content does not result in higher amine loading. The mere presence of water during grafting accelerates the complete grafting of amines to supports in a short period of time.
CHEMICAL ENGINEERING SCIENCE
(2021)
Article
Chemistry, Physical
Jason Richard, Anthony Phimphachanh, Julien Schneider, Shyamapada Nandi, Eline Laurent, Patrick Lacroix-Desmazes, Philippe Trens, Sabine Devautour-Vinot, Nathalie Marcotte, Corine Gerardin
Summary: Polyacid-functionalized inorganic mesoporous materials have great potential for applications as catalysts, molecular sieves, or drug carriers. This study presents an efficient and environmentally friendly synthesis route to prepare ordered mesoporous silica functionalized with strong polyacids, which exhibit excellent proton conductivity.
CHEMISTRY OF MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Anthony Griffin, Genwei Chen, Mark Robertson, Kun Wang, Yizhi Xiang, Zhe Qiang
Summary: Conventional ordered mesoporous carbon (OMC) production requires long processing times, but this work demonstrates accelerated synthesis of OMCs using dielectric barrier discharge plasma, achieving carbonization within 15 minutes. The use of plasma enables faster production rates and does not require additional substrates within the OMC precursor systems.
Review
Chemistry, Multidisciplinary
Plinio Innocenzi
Summary: The synthesis of ordered mesoporous films via self-assembly is a significant achievement in nanoscience, but controlling the complex chemical-physical phenomena caused by solvent evaporation remains challenging. While there have been advancements in basic research, more understanding is needed on the self-organization mechanism and the physics and chemistry of mesoscale porosity.
Article
Materials Science, Multidisciplinary
Xu Han, Chongfeng Zhao, Wenyi Chen, Lulu Wang, Jilin Wang
Summary: A series of anion exchange membranes were synthesized with high conductivity and thermal stability, as well as low methanol permeability, suitable for applications in fuel cells and other fields.
MATERIALS TECHNOLOGY
(2021)
Article
Engineering, Environmental
Wentao Zhang, Fengqing Liu, Xun Kan, Yong Zheng, Anmin Zheng, Fujian Liu, Lilong Jiang
Summary: A class of sulfonic group functionalized and ordered mesoporous silica superacids (OMS-SO3H-xs) was prepared through enhanced host-guest assembly. The OMS-SO3H-xs exhibit ultra-high precision for NH3 reversible adsorption and separation, with high NH3 capacity and extraordinary selectivities. Furthermore, they possess excellent stability and controllable NH3 interaction and transportation characteristics.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Biochemical Research Methods
Dan Wang, Xueguo Chen, Juanjuan Feng, Min Sun
Summary: This review focuses on the recent development and application of ordered mesoporous silica materials for solid-phase extraction. Various types of mesoporous silica, including functionalized ones, are discussed in terms of their applications in different solid-phase extraction techniques. The effectiveness of these materials in extracting and determining various target analytes using different detection methods is highlighted, and their successful application in different matrix samples is demonstrated.
JOURNAL OF CHROMATOGRAPHY A
(2022)
Article
Engineering, Mechanical
Xiaowei Mao, Kexin Chen, Yanlong Zhao, Chunrong Xiong, Jing Luo, Yuguang Wang, Bo Wang, Hongyu Zhang
Summary: This study developed biomimetic self-adhesive nanoparticles for the treatment of early-stage osteoarthritis, achieving improved lubrication performance and sustained release of an anti-inflammatory drug.
Article
Chemistry, Multidisciplinary
Shaoxin Deng, Cheng-Xing Cui, Lu Liu, Lingyao Duan, Jichao Wang, Yuping Zhang, Lingbo Qu
Summary: This study presents a facile and controllable one-pot approach for the synthesis of monodisperse amino-functionalized hollow mesoporous silica nanoparticles, with ordered and radially oriented in situ aminofunctionalized mesochannels successfully introduced into the shells of the hollow silica nanoparticles. The structural transformation is easily designed through tailoring the HCl and N-lauroylsarcosine sodium molar ratio and the water content in the sol-gel.
CHINESE CHEMICAL LETTERS
(2021)
