A5086490988- Catalytic Processes in Materials Science
- Mesoporous Materials and Catalysis
- Catalysis and Oxidation Reactions
- Gas Sensing Nanomaterials and Sensors
- Catalysis and Hydrodesulfurization Studies
- Analytical Chemistry and Sensors
- Zeolite Catalysis and Synthesis
- Advanced Chemical Sensor Technologies
- Catalysts for Methane Reforming
- Advanced MEMS and NEMS Technologies
- Metal-Organic Frameworks: Synthesis and Applications
- Mechanical and Optical Resonators
Chulalongkorn University
2020-2023
Abstract Mesocellular foam carbon (MCF-C) is one the captivating materials for using in gas phase dehydrogenation of ethanol. Extraordinary, enlarge pore size, high surface area, acidity, and spherical shape with interconnected diffusion. In contrary, occurrence coke a majority causes inhibiting active sites on catalyst surface. Thus, this study aims to investigate optimize higher catalytic activity, also avoid formation. The MCF-C was synthesized investigated various techniques. spent...
Mesoporous silica (MPS) is a porous material with various pore structures. In this study, mesocellular foam (MCF) was synthesized and functionalized by hexamethyldisilazane (HMDS) to study effects of surface chemistry on benzene adsorption capability. Physical chemical properties pristine MCFs were characterized compared. Scanning transmission electron microscopy showed that the complex structures retained after functionalization at relatively high temperature (573K). TGA FTIR results led...
Introduction Humidity control is a real need in different sectors for variety of reasons. For example, the food industry, too high levels can lead to product deterioration whereas medical sector, low cause respiratory exchanges. sensors using principles are therefore very widespread [1]. Also, gas sensor applications, humidity appears as an interfering factor that must be taken into account. In this context, resonant beam-based developed BTEX detection [2] have been studied under various...
Introduction Gas detection with gravimetric sensors such as SAW, MEMS, FBAR or QCM is based on a frequency shift when the target specie (ad)sorbed sensitive layer covering sensor [1]. Sensor’s sensitivity and reliability depend transducer type coating, while selectivity reversibility are correlated coating’s nature. Research studies still active development of transducers to reduce their cost power consumption but coating optimization remains hot topic for selective achievements. Among...
Mesoporous silica-based materials as SBA-15, TMS, MCF, and KIT-6 were straightly synthesized transformed to mesoporous carbon-based SBA-15/C, TMS/C, MCF/C, KIT-6/C using the surfactant residue with sulfuric acid sulfonation process in order enhance physicochemical properties. In addition, these carbon catalysts compared up on performance ethanol conversion yield of acetaldehyde toward dehydrogenation. It revealed that successfully converted higher chemical properties such acidity basicity...
This work presents an application of mass-sensitive microcantilevers coated with a new alternative sensitive materials that is hexamethyldisilazane functionalized mesocellular foam silica (HMDS-MCF-Si) for detection solvent vapors. The (3 mm <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\times2$ </tex-math></inline-formula> notation="LaTeX">$\times0.1$ mm) based on lead zirconate titanate (PZT) beam...
Abstract Mesocellular foam carbon (MCF-C) is one the captivating materials for using in gas phase dehydrogenation of ethanol. Extraordinary, enlarge pore size, high surface area, acidity, and spherical shape with interconnected diffusion. In contrary, occurrence coke a majority causes inhibiting active sites on catalyst surface. Thus, this study aims to investigate optimize higher catalytic activity, also avoid formation. The MCF-C was synthesized investigated various techniques. spent...