Synthesis Of Ordered Mesoporous Sno2 Using Sba-15 Nanocasting Template And Its Performance As A Gas Sensor For Hydrogen Sulfide

The synthesis parameters of ordered mesoporous SBA-15 silica, ordered mesoporous SnO2 replicas and the replicas performance as a gas sensor towards hydrogen sulfide gas has been investigated. Ordered mesoporous SBA-15 silica was first synthesised to produce a hard template for the nanocasting of SnO...

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Main Author: Ramasamy, Ram Ghautaam P.
Format: Monograph
Language:English
Published: Universiti Sains Malaysia 2022
Subjects:
Online Access:http://eprints.usm.my/55595/1/Synthesis%20Of%20Ordered%20Mesoporous%20Sno2%20Using%20Sba-15%20Nanocasting%20Template%20And%20Its%20Performance%20As%20A%20Gas%20Sensor%20For%20Hydrogen%20Sulfide.pdf
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author Ramasamy, Ram Ghautaam P.
author_facet Ramasamy, Ram Ghautaam P.
author_sort Ramasamy, Ram Ghautaam P.
collection USM
description The synthesis parameters of ordered mesoporous SBA-15 silica, ordered mesoporous SnO2 replicas and the replicas performance as a gas sensor towards hydrogen sulfide gas has been investigated. Ordered mesoporous SBA-15 silica was first synthesised to produce a hard template for the nanocasting of SnO2. Ordered mesoporous silica was then produced using the SBA-15 hard template via nanocasting under different cycles of infiltration and different methods of infiltration. The validity of the mesostructure of the synthesised SBA-15 silica and ordered mesoporous SnO2 replicas were proven by characterization methods involving XRD analysis, BET analysis and SEM analysis. The sensitivity of the different types of SnO2 replicas were then simulated using MATLAB. The code was derived from the mathematical modelling of gas diffusion extracted from a specific literature and further modified by referring to other pieces of literature. The effect of pore sizes on the sensitivity of SnO2 replicas towards hydrogen sulfide gas were investigated by using the pore radius data presented in the BET analysis. The effect of operating temperatures in different gas concentrations of hydrogen sulfide on the gas sensitivity of SnO2 replicas were also investigated. The simulated results show that a larger pore radius corresponds to a higher gas sensitivity whereas the optimum performance of the SnO2 gas sensor in different gas concentrations are attributed to a temperature of 313 K.
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spelling usm.eprints-555952022-11-10T04:12:54Z http://eprints.usm.my/55595/ Synthesis Of Ordered Mesoporous Sno2 Using Sba-15 Nanocasting Template And Its Performance As A Gas Sensor For Hydrogen Sulfide Ramasamy, Ram Ghautaam P. T Technology TP Chemical Technology The synthesis parameters of ordered mesoporous SBA-15 silica, ordered mesoporous SnO2 replicas and the replicas performance as a gas sensor towards hydrogen sulfide gas has been investigated. Ordered mesoporous SBA-15 silica was first synthesised to produce a hard template for the nanocasting of SnO2. Ordered mesoporous silica was then produced using the SBA-15 hard template via nanocasting under different cycles of infiltration and different methods of infiltration. The validity of the mesostructure of the synthesised SBA-15 silica and ordered mesoporous SnO2 replicas were proven by characterization methods involving XRD analysis, BET analysis and SEM analysis. The sensitivity of the different types of SnO2 replicas were then simulated using MATLAB. The code was derived from the mathematical modelling of gas diffusion extracted from a specific literature and further modified by referring to other pieces of literature. The effect of pore sizes on the sensitivity of SnO2 replicas towards hydrogen sulfide gas were investigated by using the pore radius data presented in the BET analysis. The effect of operating temperatures in different gas concentrations of hydrogen sulfide on the gas sensitivity of SnO2 replicas were also investigated. The simulated results show that a larger pore radius corresponds to a higher gas sensitivity whereas the optimum performance of the SnO2 gas sensor in different gas concentrations are attributed to a temperature of 313 K. Universiti Sains Malaysia 2022-06-01 Monograph NonPeerReviewed application/pdf en http://eprints.usm.my/55595/1/Synthesis%20Of%20Ordered%20Mesoporous%20Sno2%20Using%20Sba-15%20Nanocasting%20Template%20And%20Its%20Performance%20As%20A%20Gas%20Sensor%20For%20Hydrogen%20Sulfide.pdf Ramasamy, Ram Ghautaam P. (2022) Synthesis Of Ordered Mesoporous Sno2 Using Sba-15 Nanocasting Template And Its Performance As A Gas Sensor For Hydrogen Sulfide. Project Report. Universiti Sains Malaysia, Pusat Pengajian Kejuruteraan Kimia. (Submitted)
spellingShingle T Technology
TP Chemical Technology
Ramasamy, Ram Ghautaam P.
Synthesis Of Ordered Mesoporous Sno2 Using Sba-15 Nanocasting Template And Its Performance As A Gas Sensor For Hydrogen Sulfide
title Synthesis Of Ordered Mesoporous Sno2 Using Sba-15 Nanocasting Template And Its Performance As A Gas Sensor For Hydrogen Sulfide
title_full Synthesis Of Ordered Mesoporous Sno2 Using Sba-15 Nanocasting Template And Its Performance As A Gas Sensor For Hydrogen Sulfide
title_fullStr Synthesis Of Ordered Mesoporous Sno2 Using Sba-15 Nanocasting Template And Its Performance As A Gas Sensor For Hydrogen Sulfide
title_full_unstemmed Synthesis Of Ordered Mesoporous Sno2 Using Sba-15 Nanocasting Template And Its Performance As A Gas Sensor For Hydrogen Sulfide
title_short Synthesis Of Ordered Mesoporous Sno2 Using Sba-15 Nanocasting Template And Its Performance As A Gas Sensor For Hydrogen Sulfide
title_sort synthesis of ordered mesoporous sno2 using sba 15 nanocasting template and its performance as a gas sensor for hydrogen sulfide
topic T Technology
TP Chemical Technology
url http://eprints.usm.my/55595/1/Synthesis%20Of%20Ordered%20Mesoporous%20Sno2%20Using%20Sba-15%20Nanocasting%20Template%20And%20Its%20Performance%20As%20A%20Gas%20Sensor%20For%20Hydrogen%20Sulfide.pdf
work_keys_str_mv AT ramasamyramghautaamp synthesisoforderedmesoporoussno2usingsba15nanocastingtemplateanditsperformanceasagassensorforhydrogensulfide