• Home
• Research
• Publications
• Members

Publications

• S. E. Yalcin, B. Yang, J. Labastide, and M. D. Barnes, "Electrostatic Force Microscopy and Spectral Studies of Electron Attachment to Single Quantum Dots on Indium Tin Oxide Substrates," J. Phys. Chem. C, Just Accepted Manuscript (2012)
• M. D. Barnes, M. Baghgar "Optical probes of chain packing structure and exciton dynamics in polythiophene films, composites, and nanostructures," J. Polym. Sci. Part B: Polym. Phys., 50, (15) 1121–1129 (2012)
• M. Baghgar, J. Labastide, F. Bokel, I. Dujovne, A. McKenna, A. M. Barnes, E. Pentzer, T. Emrick, R. Hayward, and M. D. Barnes, "Probing Inter- and Intrachain Exciton Coupling in Isolated Poly(3-hexylthiophene) Nanofibers: Effect of Solvation and Regioregularity," J. Phys. Chem. Lett., 3, 1674–1679 (2012)
• A. Cyphersmith, S. Surampudi, M. J. Casey, K. Jankowski, D. Venkataraman, and M. D. Barnes, "Chiroptical Dissymmetries in Fluorescence Excitation from Single Molecules of (M-2) Helicene Dimers," J. Phys. Chem. A, 116 (22), 5349–5352 (2012)
• J. A. Labastide, M. Baghgar, I. Dujovne, Y. Yang, A. D. Dinsmore, B. G. Sumpter, D. Venkataraman, and M. D. Barnes, "Polymer Nanoparticle Superlattices for Organic Photovoltaic Applications," J. Phys. Chem. Lett., 2 (24), 3085–3091 (2011)
• S. E. Yalcin, J. A. Labastide, D. L. Sowle, and M. D. Barnes, "Spectral Properties of Multiply Charged Semiconductor Quantum Dots," Nano Lett., 11 (10), 4425–4430 (2011)
• J. A. Labastide, M. Baghgar, I. Dujovne, B. H. Venkatraman, D. C. Ramsdell, D. Venkataraman, and M. D. Barnes, "Time- and Polarization-Resolved Photoluminescence of Individual Semicrystalline Polythiophene (P3HT) Nanoparticles," J. Phys. Chem. Lett., 2 (17), 2089–2093 (2011)
• A. Cyphersmith, A. Maksov, R. Hassey-Paradise, K. D. McCarthy, and M. D. Barnes, "Defocused Emission Patterns from Chiral Fluorophores: Application to Chiral Axis Orientation Determination," J. Phys. Chem. Lett., 2 (6), 661–665 (2011)
• A. Cyphersmith, K. Early, A. Maksov, J. Graham, Y. Wang, and M. Barnes, "Disentangling the role of linear transition dipole in band-edge emission from single CdSe/ZnS quantum dots: Combined linear anisotropy and defocused emission pattern imaging," Appl. Phys. Lett. 97, 121915 (2010)
• K. T. Early, P. K. Sudeep, T. Emrick and M. D. Barnes, "Polarization-Driven Stark Shifts in Quantum Dot Luminescence from Single CdSe/oligo-PPV Nanoparticles," Nano Lett., 10 (5), 1754–1758 (2010)
• R. Hassey-Paradise, A. Cyphersmith, A. Tilley, T. Mortsolf, D. Basak, D. Venkataraman, M. D. Barnes, "Dissymmetries in fluorescence excitation and emission from single chiral molecules," Chirality , 21 (1E), E265-E276 (2009)
• M. Y. Odoi, K. T. Early, R. Tangirala, P. K. Sudeep, T. Emrick‡ and M. D. Barnes, "Probing Multiexcitonic Emission in Single CdSe−Oligo(phenylenevinylene) Composite Nanostructures," J. Phys. Chem. C, 113 (31), 13462–13465 (2009)
• K. T. Early, K. D. McCarthy, M. Y. Odoi, P. K. Sudeep, T. Emrick and M. D. Barnes, "Linear Dipole Behavior in Single CdSe-Oligo(phenylene vinylene) Nanostructures," ACS Nano, 3 (2), 453–461 (2009)
• P. K. Sudeep, K. T. Early, D. D. McCarty, M. Y. Odoi, M. D. Barnes, and Todd Emrick, “Monodisperse Oligo(phenylene vinylene) Ligands on CdSe Quantum Dots: Synthesis and Polarization Anisotropy Measurements,” J. Am. Chem. Soc. 130, 2384-2385 (2008)
• K. T. Early, K. D. McCarthy, N. I. Hammer, M. Y. Odoi, R. Tangirala, T. Emrick, and M. D. Barnes, "Blinking Suppression and Intensity Recurrences in Single CdSe-oligo(phenylene vinylene) Nanostructures: Experiment and Kinetic Model," Nanotechnology, 18, 424027 (2007)
• H. P. Rathnayake, A. Cirpan, F. E. Karasz, M. Y. Odoi, N. I. Hammer, M. D. Barnes, and P. M. Lahti, "Luminescence of Molecular and Block Copolymeric 2,7-Bis(phenylethenyl)-fluorenones; Identifying Green-Band Emitter Sites in a Fluorene-Based Luminophore," Chemistry of Materials, 19, 3267 (2007)
• M. Y. Odoi, N. I. Hammer, H. P. Rathnayake, P. M. Lahti, and M. D. Barnes, "Single-Molecule Studies of a Model Fluorenone," ChemPhysChem, 8, 1481 (2007)
• M. Y. Odoi, N. I. Hammer, K. T. Early, K. D. McCarthy, R. Tangirala, T. Emrick, and M. D. Barnes, "Fluorescence Lifetimes and Correlated Photon Statistics from Single CdSe/Oligo(phenylene vinylene) Composite Nanostructures," Nano Letters, 7, 9, 2769-2773 (2007)
• R. Hassey, E. Swain, N. I. Hammer, D. Venkataraman, and M. D. Barnes, "Probing the Chiroptical Response of a Single Molecule," Science, 314, 1437 (2006).
• N. I. Hammer, K. T. Early, K. Sill, M. Y. Odoi, T. Emrick, and M. D. Barnes, "Coverage-mediated suppression of blinking in solid state quantum dot-conjugated organic composite nanostructures," Journal of Physical Chemistry B, 110, 14167, (2006). (Cover Article)
• M. Y. Odoi, N. I. Hammer, K. Sill, T. Emrick, and M. D. Barnes, "Observation of enhanced energy transfer in individual quantum dot-oligophenylene vinylene nanostructures," J. Am. Chem. Soc.128, 3506-3507 (2006).
• M. D. Barnes, P. S. Krstic, P. Kumar, A. Mehta, and J. C. Wells, "Far-field modulation of fluorescence decay rates in pairs of oriented semiconducting polymer nanostructures," Phys. Rev. B 71, 241303 (2005).
• M. D. Barnes, A. Mehta, P. Kumar, B. G. Sumpter, and D. W. Noid, "Confinement effects on the structure and dynamics of polymer systems from the mesoscale to the nanoscale," J. Pol. Sci. B 43, 1571-1590 (2005).
• B. G. Sumpter, P. Kumar, A. Mehta, M. D. Barnes, W. A. Shelton, and R. J. Harrison, "Computational study of the structure, dynamics, and photophysical properties of conjugated polymers and oligomers under nanoscale confinement," J. Phys. Chem. B 109, 7671-7685 (2005).
• J. I. Gonzalez, T. H. Lee, M. D. Barnes, Y. Antoku, and R. M. Dickson, "Quantum mechanical single-gold-nanocluster electroluminescent light source at room temperature," Phy. Rev. Lett. 93, 147402 (2004).
• P. Kumar, A. Mehta, S. M. Mahurin, S. Dai, M. D. Dadmun, B. G. Sumpter, and M. D. Barnes, "Formation of oriented nanostructures from single molecules of conjugated polymers in microdroplets of solution: The role of solvent," Macromol. 37, 6132-6140 (2004)
• T. H. Lee, P. Kumar, A. Mehta, K. W. Xu, R. M. Dickson, and M. D. Barnes, "Oriented semiconducting polymer nanostructures as on-demand room-temperature single-photon sources," App. Phys. Lett. 85, 100-102 (2004).
• P. Kumar, T. H. Lee, A. Mehta, B.G. Sumpter, R. M. Dickson, and M. D. Barnes, "Photon antibunching from oriented semiconducting polymer nanostructures," J. Am. Chem. Soc. 126, 3376-3377 (2004).
• S. M. Mahurin, S. Dai, and M. D. Barnes, "Probing the diffusion of a dilute dye solution in mesoporous glass with fluorescence correlation spectroscopy," J. Phys. Chem. B 107, 13336-13340 (2003).
• B. G. Sumpter, D. W. Noid, and M. D. Barnes, "Recent Developments in the formation, characterization, and simulation of micron and nanoscale droplets of amorphous polymer blends and semi-crystalline polymers," Polymer 44, 4389-4403 (2003). [Feature Article]
• A. Mehta, P. Kumar, M. Dadmun, J. Zheng, R. M. Dickson, T. Thundat, B. G. Sumpter, and M. D. Barnes, "Oriented nanostructures from single molecules of a semiconducting polymer: Polarization evidence for highly aligned intramolecular geometries," Nano Lett. 3, 603-607 (2003).
• P. Kumar, A. Mehta, M. Dadmun, J. Zheng, L. Peyser, R. M. Dickson, T. Thundat, B. G. Sumpter, and M. D. Barnes, "Narrow-bandwidth spontaneous luminescence from oriented conjugated polymer nanostructures," J. Phys. Chem. B 107, 6252-6257 (2003). [Letter to the Editor]
• A. Mehta, T. Thundat, V. Chhabra, R. Bhargava, A. P. Bartko, R. M. Dickson, and M. D. Barnes, "Size-correlated spectroscopy and imaging of rare-earth-doped nanocrystals," App. Opt. 42, 2132-2139 (2003).
• M. D. Barnes , K. Runge S. M. Mahurin, A. Mehta, B. Hathorn, B. G. Sumpter, and D. W. Noid, "Photonic Molecules: New Challenges in Materials and Optics for Manipulating Photons at Micron Length Scales," Materials Today 5, 15 (2002). [Invited]
• A. Bartko, L. Peyser, R. M. Dickson, A. Mehta, R. N. Bhargava, and M. D. Barnes, "Observation of dipolar emission patterns from isolated Eu3+:Y2O3 nanocrystals," Chem. Phys. Lett. 358, 459-465 (2002).
• S. Mahurin, A. Mehta, B. Hathorn, K. Runge, B. G. Sumpter, D. W. Noid, and M. D. Barnes, "Photonic polymers: A new class of photonic wire structure from intersecting polymer-blend microspheres," Opt. Lett. 27, 610-612 (2002).
• B. Hathorn, B. G. Sumpter, D. W. Noid, and M. D. Barnes, "Molecular Dynamics Simulations of Nanoparticle Collisions: Internal Reorganization and Translation-vibration coupling," Macromol. 35, 1102 (2002).
• M. D. Barnes , S. Mahurin, A. Mehta, B. G. Sumpter, and D. W. Noid, "Three-dimensional photonic molecules from sequentially linked polymer-blend microspheres," Phys. Rev. Lett. 88, 015508 (2002).