D-Index & Metrics Best Publications

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Materials Science D-index 73 Citations 18,599 472 World Ranking 2120 National Ranking 686
Chemistry D-index 73 Citations 18,334 430 World Ranking 2942 National Ranking 1067

Research.com Recognitions

Awards & Achievements

2012 - Fellow of the American Association for the Advancement of Science (AAAS)

1999 - Fellow of American Physical Society (APS) Citation For imaginative and successful applications of flourescence spectroscopy to polymer physics issues ranging from free volume to free radical polymerization

Overview

What is he best known for?

The fields of study he is best known for:

  • Polymer
  • Organic chemistry
  • Composite material

John M. Torkelson focuses on Glass transition, Polymer, Polystyrene, Polymer chemistry and Composite material. His work deals with themes such as Relaxation, Thin film, Fluorescence, Layer and Relaxation, which intersect with Glass transition. John M. Torkelson is involved in the study of Polymer that focuses on Methyl methacrylate in particular.

His Polystyrene study incorporates themes from Analytical chemistry, Pyrene, Methacrylate, Fluorescence spectrometry and Diluent. His biological study spans a wide range of topics, including Copolymer, Gradient copolymers, Differential scanning calorimetry, Physical aging and Polymer substrate. His work on Nanocomposite, Spin coating and Rheology as part of general Composite material research is often related to Solid-state, thus linking different fields of science.

His most cited work include:

  • The distribution of glass-transition temperatures in nanoscopically confined glass formers (839 citations)
  • Structural Relaxation of Polymer Glasses at Surfaces, Interfaces, and In Between (509 citations)
  • Model polymer nanocomposites provide an understanding of confinement effects in real nanocomposites. (486 citations)

What are the main themes of his work throughout his whole career to date?

His main research concerns Polymer, Composite material, Polymer chemistry, Glass transition and Polystyrene. His Polymer research is multidisciplinary, relying on both Chemical physics, Thin film, Fluorescence, Analytical chemistry and Diffusion. His work in the fields of Composite material, such as Shear, Nanocomposite, Polypropylene and Polymer blend, intersects with other areas such as Solid-state.

His Polymer chemistry study also includes fields such as

  • Micelle most often made with reference to Copolymer,
  • Methyl methacrylate, which have a strong connection to Methacrylate. His Glass transition study combines topics from a wide range of disciplines, such as Nanoscopic scale, Ellipsometry and Differential scanning calorimetry. Many of his studies involve connections with topics such as Fragility and Polystyrene.

He most often published in these fields:

  • Polymer (50.42%)
  • Composite material (30.96%)
  • Polymer chemistry (27.82%)

What were the highlights of his more recent work (between 2014-2021)?

  • Polymer (50.42%)
  • Composite material (30.96%)
  • Polymer chemistry (27.82%)

In recent papers he was focusing on the following fields of study:

John M. Torkelson mostly deals with Polymer, Composite material, Polymer chemistry, Polystyrene and Glass transition. The various areas that he examines in his Polymer study include Covalent bond and Fragility. He combines subjects such as Isocyanate, Radical polymerization, Catalysis, Extender and Methyl methacrylate with his study of Polymer chemistry.

His Polystyrene study also includes

  • Analytical chemistry together with Polymer blend and Bilayer,

  • Thin film together with Photochemistry. His Glass transition study also includes

  • Ellipsometry, which have a strong connection to Residual stress and Relaxation,

  • Copolymer most often made with reference to Differential scanning calorimetry. As a member of one scientific family, John M. Torkelson mostly works in the field of Stiffness, focusing on Fluorescence and, on occasion, Pyrene.

Between 2014 and 2021, his most popular works were:

  • Cellulose nanocrystal/polyolefin biocomposites prepared by solid- state shear pulverization: Superior dispersion leading to synergistic property enhancements (63 citations)
  • Importance of superior dispersion versus filler surface modification in producing robust polymer nanocomposites: The example of polypropylene/nanosilica hybrids (49 citations)
  • Vitrimers Designed Both To Strongly Suppress Creep and To Recover Original Cross-Link Density after Reprocessing: Quantitative Theory and Experiments (46 citations)

In his most recent research, the most cited papers focused on:

  • Polymer
  • Organic chemistry
  • Composite material

The scientist’s investigation covers issues in Polymer, Polymer chemistry, Composite material, Glass transition and Polystyrene. Filler and Heat capacity is closely connected to Nanoparticle in his research, which is encompassed under the umbrella topic of Polymer. His Polymer chemistry research is multidisciplinary, incorporating perspectives in Aminolysis, Polymerization, Isocyanate, Ring and Lewis acids and bases.

His study in Glass transition is interdisciplinary in nature, drawing from both Ellipsometry, Differential scanning calorimetry and Analytical chemistry. His Analytical chemistry study combines topics in areas such as Thin film, Bilayer and Atom-transfer radical-polymerization. John M. Torkelson has included themes like Methacrylate, Fluorescence spectroscopy, Fragility and Substrate in his Polystyrene study.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

The distribution of glass-transition temperatures in nanoscopically confined glass formers

Christopher John Ellison;John M. Torkelson.
Nature Materials (2003)

1286 Citations

Structural Relaxation of Polymer Glasses at Surfaces, Interfaces, and In Between

Rodney D. Priestley;Christopher John Ellison;Linda J. Broadbelt;John M. Torkelson.
Science (2005)

802 Citations

Spin coating of thin and ultrathin polymer films

David B. Hall;Patrick Underhill;John M. Torkelson.
Polymer Engineering and Science (1998)

794 Citations

Model polymer nanocomposites provide an understanding of confinement effects in real nanocomposites.

Perla Rittigstein;Rodney D. Priestley;Linda J. Broadbelt;John M. Torkelson.
Nature Materials (2007)

725 Citations

Crumpled graphene nanosheets as highly effective barrier property enhancers.

Owen C. Compton;Soyoung Kim;Cynthia Pierre;John M. Torkelson.
Advanced Materials (2010)

496 Citations

Polymer-nanoparticle interfacial interactions in polymer nanocomposites: Confinement effects on glass transition temperature and suppression of physical aging

Perla Rittigstein;John M. Torkelson.
Journal of Polymer Science Part B (2006)

464 Citations

On measuring the distribution of local free volume in glassy polymers by photochromic and fluorescence techniques

John G. Victor;John M. Torkelson.
Macromolecules (1987)

440 Citations

Impacts of polystyrene molecular weight and modification to the repeat unit structure on the glass transition-nanoconfinement effect and the cooperativity length scale

Christopher John Ellison;Manish K. Mundra;John M. Torkelson.
Macromolecules (2005)

373 Citations

Polymer−Graphite Nanocomposites: Effective Dispersion and Major Property Enhancement via Solid-State Shear Pulverization

Katsuyuki Wakabayashi;Cynthia Pierre;Dmitriy A. Dikin;Rodney S. Ruoff.
Macromolecules (2008)

369 Citations

Eliminating the Enhanced Mobility at the Free Surface of Polystyrene: Fluorescence Studies of the Glass Transition Temperature in Thin Bilayer Films of Immiscible Polymers

Connie B. Roth;Katie L. McNerny;Wolter F. Jager;John M. Torkelson.
Macromolecules (2007)

255 Citations

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