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Novak E, Jalarvo N, Gupta S, Hong K, Förster S, Egami T, Ohl M. Dynamics in the Plastic Crystalline Phases of Cyclohexanol and Cyclooctanol Studied by Quasielastic Neutron Scattering. J Phys Chem B 2018; 122:6296-6304. [PMID: 29775540 DOI: 10.1021/acs.jpcb.8b03448] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Plastic crystals are a promising candidate for solid state ionic conductors. In this work, quasielastic neutron scattering is employed to investigate the center of mass diffusive motions in two types of plastic crystalline cyclic alcohols: cyclohexanol and cyclooctanol. Two separate motions are observed which are attributed to long-range translational diffusion (α-process) and cage rattling (fast β-process). Residence times and diffusion coefficients are calculated for both processes, along with the confinement distances for the cage rattling. In addition, a binary mixture of these two materials is measured to understand how the dynamics change when a second type of molecule is added to the matrix. It is observed that, upon the addition of the larger cyclooctanol molecules into the cyclohexanol solution, the cage size decreases, which causes a decrease in the observed diffusion rates for both the α- and fast β-processes.
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Affiliation(s)
- E Novak
- Department of Materials Science and Engineering , University of Tennessee , Knoxville , Tennessee 37996 , United States.,Neutron Sciences Directorate , Oak Ridge National Laboratory (ORNL) , Oak Ridge , Tennessee 37831 , United States.,Jülich Centre for Neutron Science (JCNS) , Forschungszentrum Jülich GmbH , 52425 Jülich , Germany
| | - N Jalarvo
- Neutron Sciences Directorate , Oak Ridge National Laboratory (ORNL) , Oak Ridge , Tennessee 37831 , United States.,Jülich Centre for Neutron Science (JCNS) , Forschungszentrum Jülich GmbH , 52425 Jülich , Germany
| | - S Gupta
- Department of Chemistry and Macromolecular Studies Group , Louisiana State University , Baton Rouge , Louisiana 70803 , United States
| | - K Hong
- Center for Nanophase Materials Sciences , Oak Ridge National Laboratory (ORNL) , Oak Ridge , Tennessee 37831 , United States.,Department of Chemical and Biomolecular Engineering , University of Tennessee , Knoxville , Tennessee 37996 , United States
| | - S Förster
- Jülich Centre for Neutron Science (JCNS) , Forschungszentrum Jülich GmbH , 52425 Jülich , Germany
| | - T Egami
- Department of Materials Science and Engineering , University of Tennessee , Knoxville , Tennessee 37996 , United States.,Materials Science and Technology Division , Oak Ridge National Laboratory (ORNL) , Oak Ridge , Tennessee 37831 , United States.,Department of Physics and Astronomy , University of Tennessee , Knoxville , Tennessee 37996 , United States
| | - M Ohl
- Jülich Centre for Neutron Science (JCNS) , Forschungszentrum Jülich GmbH , 52425 Jülich , Germany
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Ferroelectricity and molecular dynamics of poly(vinylidenefluoride-trifluoroethylene) nanoparticles. POLYMER 2015. [DOI: 10.1016/j.polymer.2014.11.040] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Serrano-Ruiz D, Alonso-Cristobal P, Laurenti M, Frick B, López-Cabarcos E, Rubio-Retama J. Influence of the inter-chain hydrogen bonds on the thermoresponsive swelling behavior of UCST-like microgels. POLYMER 2013. [DOI: 10.1016/j.polymer.2013.06.057] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Rubio-Retama J, Zafeiropoulos NE, Frick B, Seydel T, López-Cabarcos E. Investigation of the relationship between hydrogen bonds and macroscopic properties in hybrid core-shell gamma-Fe2O3-P(NIPAM-AAS) microgels. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2010; 26:7101-7106. [PMID: 20143864 DOI: 10.1021/la904452c] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
We investigate in a hybrid material the interactions existing between magnetic nanoparticles of gamma-Fe(2)O(3) and the polymer matrix constituted by core-shell poly(N-isopropylacrylamide-sodium acrylate) microgels. These interactions provoke the shifting of the microgel volume phase transition to higher temperatures when the amount of gamma-Fe(2)O(3) increases. The study was performed using different techniques such as incoherent quasi-elastic neutron scattering (IQNS), infrared spectroscopy (FTIR-ATR), and dynamic light scattering (DLS). Below the low critical solution temperature (LCST) of the polymer, the IQNS data confirm that the presence of inorganic nanoparticles affects the PNIPAM chain motions. Thus, in the swollen state both the mean-square displacement of the polymer segments and the diffusive motion of the polymer chains decrease as the iron oxide content increases. The FTIR-ATR study indicates that the reduction of vibrational and diffusional motions of the polymer chains is due to the formation of hydrogen bonds between the amide groups of the polymer matrix and the OH groups of the magnetic nanoparticles. The creation of this hybrid complex would explain the reduction of the swelling capacity with increasing the iron content in the microgels. Furthermore, this interaction could also explain the shift of the polymer LCST to higher temperatures as due to the extra energy required by the system to break the hydrogen bonds prior to the PNIPAM collapse.
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Affiliation(s)
- J Rubio-Retama
- Departamento Química Física II, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain
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Rubio Retama J, Frick B, Seydel T, Stamm M, Fernandez Barbero A, López Cabarcos E. Polymer Chain Dynamics of Core−Shell Thermosensitive Microgels. Macromolecules 2008. [DOI: 10.1021/ma800668t] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- J. Rubio Retama
- Department of Pharmaceutical Chemical-Physics, University Complutense of Madrid, 28040 Madrid, Spain, Leibniz-Institut für Polymerforschung Dresden, Hohe Strasse 6, Dresden 01069, Germany, Institut Laue Langevin, Grenoble, France, and Complex Fluid Physics Group, Department of Applied Physics, University of Almería, E-04120 Almería, Spain
| | - B. Frick
- Department of Pharmaceutical Chemical-Physics, University Complutense of Madrid, 28040 Madrid, Spain, Leibniz-Institut für Polymerforschung Dresden, Hohe Strasse 6, Dresden 01069, Germany, Institut Laue Langevin, Grenoble, France, and Complex Fluid Physics Group, Department of Applied Physics, University of Almería, E-04120 Almería, Spain
| | - T. Seydel
- Department of Pharmaceutical Chemical-Physics, University Complutense of Madrid, 28040 Madrid, Spain, Leibniz-Institut für Polymerforschung Dresden, Hohe Strasse 6, Dresden 01069, Germany, Institut Laue Langevin, Grenoble, France, and Complex Fluid Physics Group, Department of Applied Physics, University of Almería, E-04120 Almería, Spain
| | - M. Stamm
- Department of Pharmaceutical Chemical-Physics, University Complutense of Madrid, 28040 Madrid, Spain, Leibniz-Institut für Polymerforschung Dresden, Hohe Strasse 6, Dresden 01069, Germany, Institut Laue Langevin, Grenoble, France, and Complex Fluid Physics Group, Department of Applied Physics, University of Almería, E-04120 Almería, Spain
| | - A. Fernandez Barbero
- Department of Pharmaceutical Chemical-Physics, University Complutense of Madrid, 28040 Madrid, Spain, Leibniz-Institut für Polymerforschung Dresden, Hohe Strasse 6, Dresden 01069, Germany, Institut Laue Langevin, Grenoble, France, and Complex Fluid Physics Group, Department of Applied Physics, University of Almería, E-04120 Almería, Spain
| | - E. López Cabarcos
- Department of Pharmaceutical Chemical-Physics, University Complutense of Madrid, 28040 Madrid, Spain, Leibniz-Institut für Polymerforschung Dresden, Hohe Strasse 6, Dresden 01069, Germany, Institut Laue Langevin, Grenoble, France, and Complex Fluid Physics Group, Department of Applied Physics, University of Almería, E-04120 Almería, Spain
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Molecular motions in low cross-linked poly(N-isopropylacrylamide) microgels. Colloids Surf A Physicochem Eng Asp 2008. [DOI: 10.1016/j.colsurfa.2007.05.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Ezquerra TA, Ahumada O, Cabarcos EL, Baltà-Calleja FJ. Electrical and Optical Properties of Vinylidene Fluoride—Trifluoro Ethylene Copolymers Prepared by Solution Cast. INT J POLYM MATER PO 1999. [DOI: 10.1080/00914039908009697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Nogales A, Ezquerra TA, Batallán F, Frick B, López-Cabarcos E, Baltá-Calleja FJ. Restricted Dynamics in Poly(ether ether ketone) As Revealed by Incoherent Quasielastic Neutron Scattering and Broad-Band Dielectric Spectroscopy. Macromolecules 1999. [DOI: 10.1021/ma9815758] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- A. Nogales
- Instituto de Estructura de la Materia, CSIC, Serrano 119, Madrid 28006, Spain, Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, Madrid 28049, Spain, Institut Laue-Langevin, 38042 Grenoble Cedex, France, and Deptartamento Química-Física II, Facultad de Farmacia, Universidad Complutense, Madrid 28040, Spain
| | - T. A. Ezquerra
- Instituto de Estructura de la Materia, CSIC, Serrano 119, Madrid 28006, Spain, Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, Madrid 28049, Spain, Institut Laue-Langevin, 38042 Grenoble Cedex, France, and Deptartamento Química-Física II, Facultad de Farmacia, Universidad Complutense, Madrid 28040, Spain
| | - F. Batallán
- Instituto de Estructura de la Materia, CSIC, Serrano 119, Madrid 28006, Spain, Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, Madrid 28049, Spain, Institut Laue-Langevin, 38042 Grenoble Cedex, France, and Deptartamento Química-Física II, Facultad de Farmacia, Universidad Complutense, Madrid 28040, Spain
| | - B. Frick
- Instituto de Estructura de la Materia, CSIC, Serrano 119, Madrid 28006, Spain, Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, Madrid 28049, Spain, Institut Laue-Langevin, 38042 Grenoble Cedex, France, and Deptartamento Química-Física II, Facultad de Farmacia, Universidad Complutense, Madrid 28040, Spain
| | - E. López-Cabarcos
- Instituto de Estructura de la Materia, CSIC, Serrano 119, Madrid 28006, Spain, Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, Madrid 28049, Spain, Institut Laue-Langevin, 38042 Grenoble Cedex, France, and Deptartamento Química-Física II, Facultad de Farmacia, Universidad Complutense, Madrid 28040, Spain
| | - F. J. Baltá-Calleja
- Instituto de Estructura de la Materia, CSIC, Serrano 119, Madrid 28006, Spain, Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, Madrid 28049, Spain, Institut Laue-Langevin, 38042 Grenoble Cedex, France, and Deptartamento Química-Física II, Facultad de Farmacia, Universidad Complutense, Madrid 28040, Spain
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López Cabarcos E, de las Rivas B, Ezquerra TA, Baltá Calleja FJ. Toward Chain Extension in Crystals of Fluorinated Copolymers As Revealed by Real Time Ultra-Small-Angle X-ray Scattering. Macromolecules 1998. [DOI: 10.1021/ma960135i] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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