Jonathan N Coleman

Summary

Affiliation: Trinity College
Country: Ireland

Publications

  1. doi request reprint Liquid exfoliation of defect-free graphene
    Jonathan N Coleman
    School of Physics and CRANN, Trinity College Dublin, Ireland
    Acc Chem Res 46:14-22. 2013
  2. ncbi request reprint Two-dimensional nanosheets produced by liquid exfoliation of layered materials
    Jonathan N Coleman
    School of Physics and Centre for Research on Adaptive Nanostructures and Nanodevices CRANN, Trinity College Dublin, D2, Ireland
    Science 331:568-71. 2011
  3. doi request reprint Flexible, transparent, conducting films of randomly stacked graphene from surfactant-stabilized, oxide-free graphene dispersions
    Sukanta De
    School of Physics, Centre for Research on Adaptive Nanostructures and Nanodevices CRANN, Trinity College Dublin, University of Dublin, Dublin 2, Ireland
    Small 6:458-64. 2010
  4. ncbi request reprint Liquid phase production of graphene by exfoliation of graphite in surfactant/water solutions
    Mustafa Lotya
    School of Physics, Trinity College Dublin, Dublin 2, Ireland
    J Am Chem Soc 131:3611-20. 2009
  5. doi request reprint High-concentration solvent exfoliation of graphene
    Umar Khan
    School of Physics and CRANN, Trinity College Dublin, Dublin 2, Ireland
    Small 6:864-71. 2010
  6. ncbi request reprint Silver Nanowire Networks as Flexible, Transparent, Conducting Films: Extremely High DC to Optical Conductivity Ratios
    Sukanta De
    School of Physics, Trinity College Dublin, Dublin 2, Ireland
    ACS Nano 3:1767-74. 2009
  7. doi request reprint Manipulating connectivity and electrical conductivity in metallic nanowire networks
    Peter N Nirmalraj
    School of Chemistry, Trinity College Dublin, Dublin 2, Ireland
    Nano Lett 12:5966-71. 2012
  8. doi request reprint High-concentration, surfactant-stabilized graphene dispersions
    Mustafa Lotya
    School of Physics, Trinity College Dublin, Dublin 2, Ireland
    ACS Nano 4:3155-62. 2010
  9. doi request reprint Spray deposition of highly transparent, low-resistance networks of silver nanowires over large areas
    Vittorio Scardaci
    Centre for Research on Adaptive Nanostructure and Nanodevices, Trinity College Dublin, Dublin 2, Ireland
    Small 7:2621-8. 2011
  10. doi request reprint Polymer reinforcement using liquid-exfoliated boron nitride nanosheets
    Umar Khan
    Centre for Research on Adaptive Nanostructures and Nanodevices CRANN and School of Physics, Trinity College Dublin, Dublin 2, Ireland
    Nanoscale 5:581-7. 2013

Collaborators

  • Rebecca J Nicholls
  • Robert J Young
  • Jaime C Grunlan
  • Stefano Sanvito
  • Sukanta De
  • Umar Khan
  • Mustafa Lotya
  • Paul J King
  • Sophie Sorel
  • Arlene O'Neill
  • Valeria Nicolosi
  • Peter May
  • J Marguerite Hughes
  • Philip E Lyons
  • Shane D Bergin
  • Yenny Hernandez
  • Fiona M Blighe
  • Graeme Cunningham
  • Peter N Nirmalraj
  • Vittorio Scardaci
  • John J Boland
  • Werner J Blau
  • Zhenyu Sun
  • Georg S Duesberg
  • Evelyn M Doherty
  • Alan P Bell
  • Toby Sainsbury
  • Harshit Porwal
  • Khalid Nawaz
  • Damian Aherne
  • Alan H Windle
  • Thomas M Higgins
  • Juan J Vilatela
  • James P Hamilton
  • Philip V Streich
  • Yurii K Gun'ko
  • David Rickard
  • Karen Young
  • I T McGovern
  • Helen Cathcart
  • Daniel Bellet
  • Aliaksandra Rakovich
  • Elodie Boussac
  • James Semple
  • Arnaud Martin
  • John F Donegan
  • Eoin K McCarthy
  • Klaus Mullen
  • Thomas W White
  • Luiz F C Pereira
  • Cerianne Partridge
  • Clotilde S Cucinotta
  • Diana Morosan
  • Janet C Dickerson
  • Milo S P Shaffer
  • Paul van der Schoot
  • Allen T Bellew
  • Lukas Doessel
  • Ben Moreton
  • Aleksey Shmeliov
  • Jessamyn A Fairfield
  • Giovanni Costantini
  • Mauro S Ferreira
  • Niall McEvoy
  • Mervyn Shannon
  • Robert Menzel
  • Curtis O'Kelly
  • Norbert Nicoloso
  • Amro Satti
  • Z L Xiao
  • Richard Coull
  • Conor S Boland
  • U Patel
  • Libo Deng
  • Ian A Kinloch
  • Lisa S Karlsson
  • Zhiming Wang
  • Jerome Joimel
  • Ronan J Smith
  • Peter Niraj
  • Satheesh Krishnamurthy
  • Michele Byrne
  • Robbie Goodhue
  • Georg Duesberg
  • Andrea C Ferrari
  • Susan J Quinn
  • John M Kelly
  • Brendan Holland
  • John Hutchison

Detail Information

Publications32

  1. doi request reprint Liquid exfoliation of defect-free graphene
    Jonathan N Coleman
    School of Physics and CRANN, Trinity College Dublin, Ireland
    Acc Chem Res 46:14-22. 2013
    ..We believe the coming decade will see an explosion in the applications involving liquid exfoliated two-dimensional materials...
  2. ncbi request reprint Two-dimensional nanosheets produced by liquid exfoliation of layered materials
    Jonathan N Coleman
    School of Physics and Centre for Research on Adaptive Nanostructures and Nanodevices CRANN, Trinity College Dublin, D2, Ireland
    Science 331:568-71. 2011
    ..We show that WS(2) and MoS(2) effectively reinforce polymers, whereas WS(2)/carbon nanotube hybrid films have high conductivity, leading to promising thermoelectric properties...
  3. doi request reprint Flexible, transparent, conducting films of randomly stacked graphene from surfactant-stabilized, oxide-free graphene dispersions
    Sukanta De
    School of Physics, Centre for Research on Adaptive Nanostructures and Nanodevices CRANN, Trinity College Dublin, University of Dublin, Dublin 2, Ireland
    Small 6:458-64. 2010
    ..5 x 10(4) S m(-1). The conductivity is stable under flexing for at least 2000 cycles. The electrical properties are limited by disorder and aggregation suggesting future routes for improvement...
  4. ncbi request reprint Liquid phase production of graphene by exfoliation of graphite in surfactant/water solutions
    Mustafa Lotya
    School of Physics, Trinity College Dublin, Dublin 2, Ireland
    J Am Chem Soc 131:3611-20. 2009
    ..Vacuum filtered films are reasonably conductive and are semitransparent. Further improvements may result in the development of cheap transparent conductors...
  5. doi request reprint High-concentration solvent exfoliation of graphene
    Umar Khan
    School of Physics and CRANN, Trinity College Dublin, Dublin 2, Ireland
    Small 6:864-71. 2010
    ..The dispersions can be heavily diluted by water without sedimentation or aggregation. This method facilitates graphene processing for a range of applications...
  6. ncbi request reprint Silver Nanowire Networks as Flexible, Transparent, Conducting Films: Extremely High DC to Optical Conductivity Ratios
    Sukanta De
    School of Physics, Trinity College Dublin, Dublin 2, Ireland
    ACS Nano 3:1767-74. 2009
    ..We have prepared films with optical transmittance and sheet resistance of 85% and 13 Ω/◻, respectively. This is very close to that displayed by commercially available indium tin oxide...
  7. doi request reprint Manipulating connectivity and electrical conductivity in metallic nanowire networks
    Peter N Nirmalraj
    School of Chemistry, Trinity College Dublin, Dublin 2, Ireland
    Nano Lett 12:5966-71. 2012
    ..We demonstrate how local connectivity within these networks can be programmed and discuss material and device applications...
  8. doi request reprint High-concentration, surfactant-stabilized graphene dispersions
    Mustafa Lotya
    School of Physics, Trinity College Dublin, Dublin 2, Ireland
    ACS Nano 4:3155-62. 2010
    ..The dispersions can be easily cast into high-quality, free-standing films. The method extends the scope for scalable liquid-phase processing of graphene for a wide range of applications...
  9. doi request reprint Spray deposition of highly transparent, low-resistance networks of silver nanowires over large areas
    Vittorio Scardaci
    Centre for Research on Adaptive Nanostructure and Nanodevices, Trinity College Dublin, Dublin 2, Ireland
    Small 7:2621-8. 2011
    ..Optimizing the pressure reduces the droplet size resulting in more uniform networks. High uniformity leads to a low percolation exponent, which is essential for low-resistance, high-transparency films...
  10. doi request reprint Polymer reinforcement using liquid-exfoliated boron nitride nanosheets
    Umar Khan
    Centre for Research on Adaptive Nanostructures and Nanodevices CRANN and School of Physics, Trinity College Dublin, Dublin 2, Ireland
    Nanoscale 5:581-7. 2013
    ..This phenomenon has also been observed for graphene-filled composites and represents a serious hurdle to the production of high performance polymer-nanosheet composites...
  11. doi request reprint Improved adhesive strength and toughness of polyvinyl acetate glue on addition of small quantities of graphene
    Umar Khan
    School of Physics and CRANN, Trinity College Dublin, Dublin 2, Ireland
    ACS Appl Mater Interfaces 5:1423-8. 2013
    ..As PVAc is commonly used commercially as a glue, we have tested such composites as adhesives. The adhesive strength and toughness of the composites were up to 4 and 7 times higher, respectively, than the pristine polymer...
  12. doi request reprint Tuning the mechanical properties of composites from elastomeric to rigid thermoplastic by controlled addition of carbon nanotubes
    Umar Khan
    School of Physics, Trinity College Dublin, Dublin 2, Ireland
    Small 7:1579-86. 2011
    ..5 GPa, σ(ϵ = 3%) = 36 MPa, σ(B) = 55 MPa, ϵ(B) = 100% and T = 50 MJ m(-3) . Analysis suggests that soft polyurethane segments are immobilized by adsorption onto the nanotubes, resulting in large changes in mechanical properties...
  13. ncbi request reprint Using solution thermodynamics to describe the dispersion of rod-like solutes: application to dispersions of carbon nanotubes in organic solvents
    J Marguerite Hughes
    School of Physics and CRANN, Trinity College Dublin, University of Dublin, Dublin 2, Ireland
    Nanotechnology 23:265604. 2012
    ..Qualitative agreement with these predictions is observed experimentally. However, we suggest that the fact that quantitative agreement is not found may be explained by solvent ordering at the nanotube surface...
  14. ncbi request reprint Transparent conducting films from NbSe3 nanowires
    Sukanta De
    School of Physics and CRANN, Trinity College Dublin, Dublin 2, Ireland
    Nanotechnology 22:285202. 2011
    ..32, similar to graphene networks. Thickness measurements gave individual values of σ(Op) = 17,800 S m(-1) and σ(DC, B) = 5700 S m(-1). Films thinner than ∼ 70 nm displayed reduced DC conductivity due to percolative effects...
  15. ncbi request reprint Size effects and the problem with percolation in nanostructured transparent conductors
    Sukanta De
    School of Physics and CRANN, Trinity College Dublin, Dublin 2, Ireland
    ACS Nano 4:7064-72. 2010
    ..However, the large flake thickness results in high t(min) and so low Π, resulting in actual values of T = 26% for R(s) = 100 Ω/◻. This makes this material completely unsuitable for transparent conductor applications...
  16. doi request reprint Covalently functionalized hexagonal boron nitride nanosheets by nitrene addition
    Toby Sainsbury
    School of Physics and CRANN, Trinity College Dublin, Dublin 2, Ireland
    Chemistry 18:10808-12. 2012
    ..This integration methodology was further extended by the covalent modification of the h-BN nanosheets with polymer chains of a polycarbonate analogue, and the integration of the polymer modified h-BN within the polymer matrix...
  17. ncbi request reprint Percolation scaling in composites of exfoliated MoS2 filled with nanotubes and graphene
    Graeme Cunningham
    School of Physics and CRANN, Trinity College Dublin, Dublin 2, Ireland
    Nanoscale 4:6260-4. 2012
    ..In the case of SWNT-filled composites, conductivities as high as ~40 S m(-1) were achieved at volume fractions as low as ~4%...
  18. ncbi request reprint Solvent-exfoliated graphene at extremely high concentration
    Umar Khan
    School of Physics and CRANN, Trinity College Dublin, Dublin 2, Ireland
    Langmuir 27:9077-82. 2011
    ..The dispersed flakes are ~1 μm long and ~3 to 4 layers thick on average. Although some sedimentation occurs, ~26-28 mg/mL of the dispersed graphene appears to be indefinitely stable...
  19. ncbi request reprint Efficient dispersion and exfoliation of single-walled nanotubes in 3-aminopropyltriethoxysilane and its derivatives
    Zhenyu Sun
    Centre for Research on Adaptive Nanostructures and Nanodevices, Trinity College Dublin, University of Dublin, Dublin 2, Republic of Ireland School of Physics, Trinity College Dublin, University of Dublin, Dublin 2, Republic of Ireland
    Nanotechnology 19:485702. 2008
    ..Further experimental results showed that nanotubes can also be effectively dispersed in a series of aminoalkoxylsilane derivatives. In the light of these findings, possible solvent-nanotube interaction mechanisms are discussed...
  20. ncbi request reprint Percolation effects in supercapacitors with thin, transparent carbon nanotube electrodes
    Paul J King
    School of Physics and CRANN, Trinity College Dublin, Dublin 2, Ireland
    ACS Nano 6:1732-41. 2012
    ..For example, replacing electrodes with transparency of T = 80% with thinner networks displaying T = 97% will result in a 20-fold reduction of both power and energy density...
  21. ncbi request reprint The dependence of the optoelectrical properties of silver nanowire networks on nanowire length and diameter
    Sophie Sorel
    Centre for Research on Adaptive Nanostructures and Nanodevices and School of Physics, Trinity College Dublin, Dublin 2, Ireland
    Nanotechnology 23:185201. 2012
    ..We predict that networks of wires with D = 25 nm could give sheet resistance as low as 25 Ω/□ for T = 90%...
  22. ncbi request reprint Solvent exfoliation of transition metal dichalcogenides: dispersibility of exfoliated nanosheets varies only weakly between compounds
    Graeme Cunningham
    School of Physics and CRANN, Trinity College Dublin, Dublin 2, Ireland
    ACS Nano 6:3468-80. 2012
    ..Finally, we note that in good solvents, such as cyclohexylpyrrolidone, the dispersions are temporally stable with >90% of material remaining dispersed after 100 h...
  23. ncbi request reprint High quality dispersions of hexabenzocoronene in organic solvents
    J Marguerite Hughes
    School of Physics and CRANN, Trinity College Dublin, University of Dublin, Dublin 2, Ireland
    J Am Chem Soc 134:12168-79. 2012
    ..We believe this is strong evidence of the presence of individual molecules in dispersions prepared with appropriate solvents...
  24. ncbi request reprint Towards tough, yet stiff, composites by filling an elastomer with single-walled nanotubes at very high loading levels
    Fiona M Blighe
    School of Physics, Trinity College Dublin, Dublin 2, Ireland
    Nanotechnology 19:415709. 2008
    ..Depending on the nanotube content we can produce films ranging from the stiff and brittle at high nanotube loading to the compliant and ductile at low nanotube volume fraction...
  25. doi request reprint Ordered DNA wrapping switches on luminescence in single-walled nanotube dispersions
    Helen Cathcart
    School of Physics, Trinity College Dublin, University of Dublin, Dublin 2, Ireland
    J Am Chem Soc 130:12734-44. 2008
    ..These negative activation entropies suggest that the rate-limiting step is characterized by a change in the system from a less-ordered to a more-ordered state, consistent with the formation of an ordered DNA coating...
  26. ncbi request reprint Strong dependence of mechanical properties on fiber diameter for polymer-nanotube composite fibers: differentiating defect from orientation effects
    Karen Young
    School of Physics, Trinity College Dublin, University of Dublin, Dublin 2, Ireland
    ACS Nano 4:6989-97. 2010
    ..The orientation term is present and dominates for fibers of diameter between 4 and 50 μm. By preparing fibers with low diameter (1-2 μm), we have obtained mean mechanical properties as high as Y = 244 GPa and σ(B) = 2.9 GPa...
  27. ncbi request reprint Relationship between material properties and transparent heater performance for both bulk-like and percolative nanostructured networks
    Sophie Sorel
    School of Physics, CRANN and AMBER, Trinity College Dublin, Dublin 2, Ireland
    ACS Nano 8:4805-14. 2014
    ..We show that metallic nanowire networks are most promising, closely followed by CVD graphene, with networks of solution-processed graphene and carbon nanotubes being much less efficient. ..
  28. doi request reprint Measuring the lateral size of liquid-exfoliated nanosheets with dynamic light scattering
    Mustafa Lotya
    School of Physics, Trinity College Dublin, Dublin 2, Ireland Centre for Research on Adaptive Nanostructures and Nanodevices CRANN, Trinity College Dublin, Dublin 2, Ireland
    Nanotechnology 24:265703. 2013
    ..This correlation is consistent with the DLS instrument outputting the radius of a sphere with volume equal to the mean nanosheet volume. This correlation allows the mean nanosheet length to be extracted from DLS data...
  29. ncbi request reprint Are there fundamental limitations on the sheet resistance and transmittance of thin graphene films?
    Sukanta De
    School of Physics and CRANN, Trinity College Dublin, Dublin 2, Ireland
    ACS Nano 4:2713-20. 2010
    ..3 x 10(17) V(-1) s(-1). Given achieved doping values and attainable mobilities, this is just possible, resulting in potential values of sigma(DC)/sigma(Op) of up to 330. This is high enough for any transparent conductor application...
  30. doi request reprint Multicomponent solubility parameters for single-walled carbon nanotube-solvent mixtures
    Shane D Bergin
    School of Physics, Trinity College Dublin, Dublin 2, Ireland
    ACS Nano 3:2340-50. 2009
    ..The nature of the distinction between solvents and nonsolvents remains to be fully understood...
  31. ncbi request reprint Transparent, flexible, and highly conductive thin films based on polymer-nanotube composites
    Sukanta De
    School of Physics, Trinity College Dublin, Dublin 2, Ireland
    ACS Nano 3:714-20. 2009
    ..This translates into transmittance (550 nm) and sheet resistance of 75 and 80 Omega/square, respectively. These composites were electromechanically very stable, showing <1% resistance change over 130 bend cycles...
  32. doi request reprint High-yield production of graphene by liquid-phase exfoliation of graphite
    Yenny Hernandez
    School of Physics, Trinity College Dublin, Dublin 2, Ireland
    Nat Nanotechnol 3:563-8. 2008
    ..We are able to produce semi-transparent conducting films and conducting composites. Solution processing of graphene opens up a range of potential large-area applications, from device and sensor fabrication to liquid-phase chemistry...