Study of polymerization dynamics in micropores of metal-organic framework
Compared with bulk conducting polymers (CPs), conducting polymer nanostructures possess high electrical conductivity, large surface area, and superior electrochemical activity which make them suitable for several applications like energy storage devices, electrochemical sensors, drug delivery etc. N...
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| creator | Doloi, Kakoli Kumar, Ashok Rao, Mala N. |
| description | Compared with bulk conducting polymers (CPs), conducting polymer nanostructures possess high electrical conductivity, large surface area, and superior electrochemical activity which make them suitable for several applications like energy storage devices, electrochemical sensors, drug delivery etc. Nanocomposites of CPs with other host molecules give them more valuable properties by making them multifunctional. Metal–organic frameworks (MOFs) porous crystalline materials have been increasingly investigated as templates for precise control of polymerization. Polymerizations within confined nanochannels of porous MOFs have shown unique confinement effect on polymer chain structures and polymer dynamics. Our present work investigates the alteration of properties upon nanoconfinement of CP PEDOT polymerized oxidatively in the micropores of MOF UiO-66. X-ray diffraction measurements confirmed inclusion of PEDOT in the MOF. Small shift of peak positions and decrease in intensities of the crystalline peaks with incorporation of PEDOT is observed. Fourier Transform IR (FTIR) spectroscopy showed different vibrational, (stretching, bending) modes of thiophene ring and ethylenedioxy groups present in PEDOT along with the modes of MOF. Confinement effect on crystallization of CP is observed by Differential Scanning Calorimetry (DSC). BET surface area measurements showed the change in surface area of PEDOT/MOF nanocomposite. Presence of PEDOT is also confirmed by Raman spectroscopy and inelastic neutron scattering is carried out to investigate the change in vibrational density of states after polymerization within the micropores. |
| doi_str_mv | 10.1063/5.0017416 |
| format | Conference Proceeding |
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M. ; Sharma, Veerendra K. ; Prajapat, C. L.</contributor><creatorcontrib>Doloi, Kakoli ; Kumar, Ashok ; Rao, Mala N. ; Yusuf, S. M. ; Sharma, Veerendra K. ; Prajapat, C. L.</creatorcontrib><description>Compared with bulk conducting polymers (CPs), conducting polymer nanostructures possess high electrical conductivity, large surface area, and superior electrochemical activity which make them suitable for several applications like energy storage devices, electrochemical sensors, drug delivery etc. Nanocomposites of CPs with other host molecules give them more valuable properties by making them multifunctional. Metal–organic frameworks (MOFs) porous crystalline materials have been increasingly investigated as templates for precise control of polymerization. Polymerizations within confined nanochannels of porous MOFs have shown unique confinement effect on polymer chain structures and polymer dynamics. Our present work investigates the alteration of properties upon nanoconfinement of CP PEDOT polymerized oxidatively in the micropores of MOF UiO-66. X-ray diffraction measurements confirmed inclusion of PEDOT in the MOF. Small shift of peak positions and decrease in intensities of the crystalline peaks with incorporation of PEDOT is observed. Fourier Transform IR (FTIR) spectroscopy showed different vibrational, (stretching, bending) modes of thiophene ring and ethylenedioxy groups present in PEDOT along with the modes of MOF. Confinement effect on crystallization of CP is observed by Differential Scanning Calorimetry (DSC). BET surface area measurements showed the change in surface area of PEDOT/MOF nanocomposite. 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L.</contributor><creatorcontrib>Doloi, Kakoli</creatorcontrib><creatorcontrib>Kumar, Ashok</creatorcontrib><creatorcontrib>Rao, Mala N.</creatorcontrib><title>Study of polymerization dynamics in micropores of metal-organic framework</title><title>AIP conference proceedings</title><description>Compared with bulk conducting polymers (CPs), conducting polymer nanostructures possess high electrical conductivity, large surface area, and superior electrochemical activity which make them suitable for several applications like energy storage devices, electrochemical sensors, drug delivery etc. Nanocomposites of CPs with other host molecules give them more valuable properties by making them multifunctional. Metal–organic frameworks (MOFs) porous crystalline materials have been increasingly investigated as templates for precise control of polymerization. Polymerizations within confined nanochannels of porous MOFs have shown unique confinement effect on polymer chain structures and polymer dynamics. Our present work investigates the alteration of properties upon nanoconfinement of CP PEDOT polymerized oxidatively in the micropores of MOF UiO-66. X-ray diffraction measurements confirmed inclusion of PEDOT in the MOF. Small shift of peak positions and decrease in intensities of the crystalline peaks with incorporation of PEDOT is observed. Fourier Transform IR (FTIR) spectroscopy showed different vibrational, (stretching, bending) modes of thiophene ring and ethylenedioxy groups present in PEDOT along with the modes of MOF. Confinement effect on crystallization of CP is observed by Differential Scanning Calorimetry (DSC). BET surface area measurements showed the change in surface area of PEDOT/MOF nanocomposite. Presence of PEDOT is also confirmed by Raman spectroscopy and inelastic neutron scattering is carried out to investigate the change in vibrational density of states after polymerization within the micropores.</description><subject>Bulk polymerization</subject><subject>Chemical sensors</subject><subject>Conducting polymers</subject><subject>Confinement</subject><subject>Crystal structure</subject><subject>Crystallinity</subject><subject>Crystallization</subject><subject>Drug delivery systems</subject><subject>Dynamic structural analysis</subject><subject>Electrical resistivity</subject><subject>Energy storage</subject><subject>Fourier transforms</subject><subject>Inelastic scattering</subject><subject>Infrared spectroscopy</subject><subject>Metal-organic frameworks</subject><subject>Nanochannels</subject><subject>Nanocomposites</subject><subject>Neutron scattering</subject><subject>Polymerization</subject><subject>Polymers</subject><subject>Porous materials</subject><subject>Raman spectroscopy</subject><subject>Spectrum analysis</subject><subject>Surface area</subject><issn>0094-243X</issn><issn>1551-7616</issn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2020</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNp9kM1KxDAUhYMoOI4ufIOCO6Fj_tMsZdBxYMCFCu5C2iSSsW1q0ir16e04A-68mwOX757DPQBcIrhAkJMbtoAQCYr4EZghxlAuOOLHYAahpDmm5PUUnKW0hRBLIYoZWD_1gxmz4LIu1GNjo__WvQ9tZsZWN75KmW-zSWPoQrRpBza213Ue4ptufZW5qBv7FeL7OThxuk724qBz8HJ_97x8yDePq_XydpNXWJI-LzES3DFOiLSSi5Ia5khlKm5YqRlzaNpxIikqLcHYGCY4pJhygguMS1eSObja-3YxfAw29WobhthOkQpTJqYpJJmo6z2VKt__fqS66BsdR_UZomLqUJPqjPsPRlDtev07ID9iC2mv</recordid><startdate>20201105</startdate><enddate>20201105</enddate><creator>Doloi, Kakoli</creator><creator>Kumar, Ashok</creator><creator>Rao, Mala N.</creator><general>American Institute of Physics</general><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20201105</creationdate><title>Study of polymerization dynamics in micropores of metal-organic framework</title><author>Doloi, Kakoli ; Kumar, Ashok ; Rao, Mala N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c293t-b2176f56339e967b4d5f3cdc6d5ba55f167b63941be322dd5760424632822bfb3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Bulk polymerization</topic><topic>Chemical sensors</topic><topic>Conducting polymers</topic><topic>Confinement</topic><topic>Crystal structure</topic><topic>Crystallinity</topic><topic>Crystallization</topic><topic>Drug delivery systems</topic><topic>Dynamic structural analysis</topic><topic>Electrical resistivity</topic><topic>Energy storage</topic><topic>Fourier transforms</topic><topic>Inelastic scattering</topic><topic>Infrared spectroscopy</topic><topic>Metal-organic frameworks</topic><topic>Nanochannels</topic><topic>Nanocomposites</topic><topic>Neutron scattering</topic><topic>Polymerization</topic><topic>Polymers</topic><topic>Porous materials</topic><topic>Raman spectroscopy</topic><topic>Spectrum analysis</topic><topic>Surface area</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Doloi, Kakoli</creatorcontrib><creatorcontrib>Kumar, Ashok</creatorcontrib><creatorcontrib>Rao, Mala N.</creatorcontrib><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Doloi, Kakoli</au><au>Kumar, Ashok</au><au>Rao, Mala N.</au><au>Yusuf, S. M.</au><au>Sharma, Veerendra K.</au><au>Prajapat, C. L.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Study of polymerization dynamics in micropores of metal-organic framework</atitle><btitle>AIP conference proceedings</btitle><date>2020-11-05</date><risdate>2020</risdate><volume>2265</volume><issue>1</issue><issn>0094-243X</issn><eissn>1551-7616</eissn><coden>APCPCS</coden><abstract>Compared with bulk conducting polymers (CPs), conducting polymer nanostructures possess high electrical conductivity, large surface area, and superior electrochemical activity which make them suitable for several applications like energy storage devices, electrochemical sensors, drug delivery etc. Nanocomposites of CPs with other host molecules give them more valuable properties by making them multifunctional. Metal–organic frameworks (MOFs) porous crystalline materials have been increasingly investigated as templates for precise control of polymerization. Polymerizations within confined nanochannels of porous MOFs have shown unique confinement effect on polymer chain structures and polymer dynamics. Our present work investigates the alteration of properties upon nanoconfinement of CP PEDOT polymerized oxidatively in the micropores of MOF UiO-66. X-ray diffraction measurements confirmed inclusion of PEDOT in the MOF. Small shift of peak positions and decrease in intensities of the crystalline peaks with incorporation of PEDOT is observed. Fourier Transform IR (FTIR) spectroscopy showed different vibrational, (stretching, bending) modes of thiophene ring and ethylenedioxy groups present in PEDOT along with the modes of MOF. Confinement effect on crystallization of CP is observed by Differential Scanning Calorimetry (DSC). BET surface area measurements showed the change in surface area of PEDOT/MOF nanocomposite. Presence of PEDOT is also confirmed by Raman spectroscopy and inelastic neutron scattering is carried out to investigate the change in vibrational density of states after polymerization within the micropores.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/5.0017416</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0094-243X |
| ispartof | AIP conference proceedings, 2020, Vol.2265 (1) |
| issn | 0094-243X 1551-7616 |
| language | eng |
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| source | AIP Journals Complete |
| subjects | Bulk polymerization Chemical sensors Conducting polymers Confinement Crystal structure Crystallinity Crystallization Drug delivery systems Dynamic structural analysis Electrical resistivity Energy storage Fourier transforms Inelastic scattering Infrared spectroscopy Metal-organic frameworks Nanochannels Nanocomposites Neutron scattering Polymerization Polymers Porous materials Raman spectroscopy Spectrum analysis Surface area |
| title | Study of polymerization dynamics in micropores of metal-organic framework |
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