2012
Carbon nanotube optoacoustic lens for focused ultrasound generation and high-precision targeted therapy.
H.W. Baac, J.G. Ok, A. Maxwell, K.T. Lee, Y.C. Chen, A.J. Hart, Z. Xu, E. Yoon, L.J. Guo.
Scientific Reports. 2:989, 2012. [pdf] [doi]
Visualizing strain evolution and coordinated buckling in CNT arrays by in situ digital image correlation.
M.R. Maschmann, G. Ehlert, S.J. Park, D. Mollenhauer, B. Maryuama, A.J. Hart, J.W. Baur.
Advanced Functional Materials. 22:4686-4695, 2012. [pdf] [doi]
Wide range control of microstructure and mechanical properties of carbon nanotube forests: A comparison between fixed and floating catalyst CVD techniques.
O. Yaglioglu, A. Cao, A.J. Hart, R. Martens, A.H. Slocum.
Advanced Functional Materials. 22:5028-5037, 2012. [pdf] [doi]
Anisotropic Janus catalysts for spatially controlled chemical reactions.
W. Lv, K. Lee, J. Li, T. Park, A.J. Hart, F. Zhang, J. Lahann.
Small. 8(20):3116-3122, 2012. [pdf] [doi]
Diameter-dependent kinetics of activation and deactivation in carbon nanotube population growth.
M. Bedewy, E.R. Meshot, A.J. Hart.
Carbon. 50(14):5106-5116, 2012. [pdf] [doi]
Fabrication, densification, and replica molding of 3D carbon nanotube microstructures.
D. Copic, S.J. Park, S. Tawfick, M. De Volder, A.J. Hart.
Journal of Visualized Experiments. 65:e3980, 2012. [pdf] [doi]
High-speed in situ X-ray scattering of carbon nanotube film nucleation and self-organization.
E.R. Meshot, E.A. Verploegen, M. Bedewy, S. Tawfick, A.R. Woll, K.S. Green, M. Hromalik, L.J. Koerner, H.T. Philipp, M.W. Tate, S.M. Gruner, A.J. Hart.
ACS Nano. 6:5091–5101, 2012. [pdf] [doi]
Synthesis of tall carpets of vertically aligned carbon nanotubes via in situ generation of water vapor by preheating of added oxygen.
G.D. Nessim, A. Al-Obeidi, H. Grisaru, E.S. Polsen, C.R. Oliver, T. Zimrin, A.J. Hart, D. Aurbach, C.V. Thompson.
Carbon. 50:4002-4009, 2012. [pdf] [doi]
Capillary bending of Janus carbon nanotube micropillars.
S. Tawfick, A.J. Hart, M. De Volder.
Nanoscale. 4:3852-3856, 2012. [pdf] [doi]
Engineering of micro- and nanostructured surfaces with anisotropic geometries and properties.
S. Tawfick, M. De Volder, D. Copic, S.J. Park, E.S. Polsen, C.R. Oliver, M.J. Roberts, A.J. Hart.
Advanced Materials. 24:1628–1674, 2012. [pdf] [doi]
Photoconductive hybrid films via directional self-assembly of C60 on aligned carbon nanotubes.
E.R. Meshot, K. Patel, S. Tawfick, K.A. Juggernauth, M. Bedewy, E.A. Verploegen, M. De Volder, A.J. Hart.
Advanced Functional Materials. 22(3):577-584, 2012. [pdf] [doi]
Four degree of freedom liquid dispenser for direct write capillary self-assembly with sub-nanoliter precision
J. Beroz, M. Bedewy, M. Reinker, V. Chhajer, S. Awtar, A.J. Hart.
Review of Scientific Instruments. 83:015104, 2012. [pdf] [doi]
Chemically controlled bending of compositionally anisotropic microcylinders.
S. Saha, D. Copic, S. Bhaskar, N. Clay, A. Donini, A.J. Hart, J. Lahann.
Angewandte Chemie. 51(3):660-665, 2012. [pdf] [doi]
2011
Population growth dynamics of carbon nanotubes.
M. Bedewy, E.R. Meshot, M.J. Reinker, A.J. Hart.
ACS Nano.5(11):8974-8989, 2011. [pdf] [doi]
Hydrogel-driven carbon nanotube microtransducers.
M. De Volder, S. Tawfick, D. Copic, A.J. Hart.
Soft Matter.7:9844-9847, 2011. [pdf] [doi]
Corrugated carbon nanotube microstructures with geometrically tunable compliance.
M. De Volder, S. Tawfick, S.J. Park, A.J. Hart.
ACS Nano.5(9):7310-7317, 2011. [pdf] [doi]
Hierarchical carbon nanowire microarchitectures made by plasma-assisted pyrolysis of photoresist
M. De Volder, R. Vansweevelt, P. Wagner, D. Reynaerts, C. Van Hoof, A.J. Hart.
ACS Nano. 5(8):6593-6600, 2011. [pdf] [DOI]
Non-destructive characterization of structural hierarchy within carbon nanotube assemblies
E.A. Verploegen, A.J. Hart, M. De Volder, S. Tawfick, K.K. Chia, R.E. Cohen.
Journal of Applied Physics. 109:094316, 2011. [pdf] [doi]
Structurally programmed folding of vertical carbon nanotube assemblies
S. Tawfick, M. De Volder, A.J. Hart.
Langmuir. 27(10):6389-6394, 2011. [pdf] [doi]
Continuous high-yield production of vertically aligned carbon nanotubes on 2D and 3D substrates
R. Guzman de Villoria, A.J. Hart, B.L. Wardle.
ACS Nano. 5(6):4850-4857, 2011. [pdf] [video] [doi]
Fabrication and electrical integration of robust carbon nanotube using self-directed elastocapillary densification
M. De Volder, S. Park, S. Tawfick, A.J. Hart.
Journal of Micromechanics and Microengineering. 21:045033, 2011. [pdf] [doi]
Fabrication of high-aspect-ratio polymer microstructures and hierarchical textures using carbon nanotube composite master molds
D. Copic, S.J. Park, S. Tawfick, M. De Volder, A.J. Hart.
Lab on a Chip. 11(10):1831-1837, 2011. [pdf] [doi]
Precursor gas chemistry determines the crystallinity of carbon nanotubes synthesized at low temperature
G.D. Nessim, M. Seita, D.L. Plata, K.P. O’Brien, A.J. Hart, E.R. Meshot, C.M. Reddy, P.M. Gschwend, C.V. Thompson.
Carbon. 49(3):804-810, 2011. [pdf] [doi]
Multidirectional hierarchical nanocomposites made by carbon nanotube growth within LBL-assembled films
J. Li, S. Srivastava, J.G. Ok, M. Bedewy, Y. Zhang, N.A. Kotov, A.J. Hart.
Chemistry of Materials. 23:1023-1031, 2011. [pdf] [doi]
2010
Carbon nanotube composite optoacoustic transmitters for strong and high frequency ultrasound generation
H.W. Baac, J.G. Ok, H.J. Park, T. Ling, S.L. Chen, A.J. Hart, L.J. Guo.
Applied Physics Letters. 97:234104, 2010. [pdf] [doi]
Multiple alkynes react with ethylene to enhance carbon nanotube synthesis, suggesting a polymerization-like formation mechanism
D.L. Plata*, E.R. Meshot*, C.M. Reddy, A.J. Hart, P.M. Gschwend.
ACS Nano. 4(10):7185-7192, 2010. [pdf] [doi]
Characterizing the failure processes that limit the storage of energy in carbon nanotube springs under tension
F.A. Hill, T.F. Havel, A.J. Hart, C. Livermore.
Journal of Micromechanics and Microengineering. 20:104012, 2010. [pdf] [doi]
Diverse 3D microarchitectures made by capillary forming of carbon nanotubes
M. De Volder,* S. Tawfick,* S. Park, D. Copic, Z. Zhao, W. Lu, A.J. Hart.
Advanced Materials. 22:4384-4389, 2010. [pdf] [doi]
Bending of nanoscale filament assemblies by elastocapillary densification
Z. Zhao, S. Tawfick, S.J. Park, M. De Volder, A.J. Hart, W. Lu.
Physical Review E. 82:041605, 2010. [pdf] [doi]
Electrically-addressable hybrid architectures of zinc oxide nanowires grown on aligned carbon nanotubes
J.G. Ok, S. Tawfick, K.A. Juggernauth, K. Sun, Y. Zhang, A.J. Hart.
Advanced Functional Materials. 20:2470-2480, 2010. [pdf] [doi]
Self-similar organization of arrays of individual carbon nanotubes and carbon nanotube micropillars
M. De Volder, D.O. Vidaud, E.R. Meshot, S. Tawfick, A.J. Hart.
Microelectronic Engineering. 87(5-8):1233-1238, 2010. [pdf] [doi]
Ethanol-promoted growth of few- walled vertically aligned carbon nanotubes
Y. Zhang, J. Gregoire, R.B. Van Dover, A.J. Hart.
Journal of Physical Chemistry C. 114(14):6389-6395, 2010. [pdf] [doi]
Measuring the lengthening kinetics of vertically aligned nanostructures by spatiotemporal correlation of height and orientation
M. Bedewy, E.R. Meshot, K.M. Lyons, A.R. Woll, K.A. Juggernauth, S. Tawfick, A.J. Hart.
Nanoscale. 2:896-900, 2010. [pdf] [doi]
Nanocomposite microstructures with tunable mechanical and chemical properties
S. Tawfick, X. Deng, A.J. Hart, J. Lahann.
Physical Chemistry Chemical Physics. 12:4446-4451, 2010. [pdf] [doi]
2009
Flexible high conductivity carbon nanotube interconnects made by rolling and printing
S. Tawfick, K.P. O’Brien, A.J. Hart.
Small. 5(21):2467-2473, 2009. [pdf] [doi]
Early evaluation of potential environmental impacts of carbon nanotube synthesis by chemical vapor deposition
D.L. Plata, A.J. Hart, C.M. Reddy, P.M. Gschwend.
Environmental Science and Technology. 43(21):8367-8373, 2009. [pdf] [doi]
Collective mechanism of evolution and self-termination of vertically aligned carbon nanotube growth
M. Bedewy, E.R. Meshot, H. Guo, E.A. Verploegen, W. Lu, A.J. Hart.
Journal of Physical Chemistry C. 113:20576-20582, 2009. [pdf] [doi]
High-yield growth of vertically aligned carbon nanotubes on a continuously moving substrate
R. Guzman de Villoria, S.L. Figueredo, A.J. Hart, S.A. Steiner, A.H. Slocum, B.L. Wardle. Nanotechnology. 20:405611, 2009. [pdf] [doi]
Diffusional self-organization in exponential layer-by-layer with micro- and nanoscale periodicity
P. Podsiadlo, M. Michel, K. Critchley, S. Srivastava, M. Qin, J.W. Lee, E.A. Verploegen, A.J. Hart, Y. Qi, N.A. Kotov.
Angewandte Chemie International Edition. 48(38):7073-7077, 2009. [pdf] [doi]
Storing elastic energy in carbon nanotubes
F. Hill, T.F. Havel, A.J. Hart, C. Livermore.
Journal of Micromechanics and Microengineering. 19:094015, 2009. [pdf] [doi]
Nanoscale zirconia as a versatile non- metallic catalyst for graphitization of carbon and growth of single- and multi-wall carbon nanotubes
S.A. Steiner, T.F. Baumann, B.C. Bayer, M.A. Worsley, W.J. Moberlychan, E.L. Shaw, A.J. Hart, S. Hofmann, B.L. Wardle.
Journal of the American Chemical Society. 131:12144-12154, 2009. [pdf] [doi]
Engineering vertically aligned carbon nanotube growth by decoupled thermal treatment of precursor and catalyst
E.R. Meshot, D.L. Plata, S. Tawfick, E. Verploegen, A.J. Hart.
ACS Nano. 3(9):2477-2486, 2009. [pdf] [doi]
Low temperature synthesis of vertically aligned carbon nanotubes with ohmic contact to metallic substrates enabled by thermal decomposition of the carbon feedstock
G.D. Nessim, M. Seita, K.P. O’Brien, R.R. Mitchell, A.J. Hart, C.V. Thompson.
Nano Letters. 9(10):3398-3405,2009. [pdf] [doi]
High-yield growth of aligned carbon nanotubes on ceramic fibers for multifunctional enhancement of structural composites
N. Yamamoto, A.J. Hart, B.L. Wardle, E.J. Garcia, S.S. Wicks, H.M. Duong, A.H. Slocum.
Carbon. 47(3):551-560, 2009. [pdf] [doi]
Automated spin-assisted layer-by-layer assembly of nanocomposites
S. Vozar, Y.C. Poh, T. Serbowicz, M. Bachner, P. Podsiadlo, M. Qin, E. Verploegen, N.A. Kotov, A.J. Hart.
Review of Scientific Instruments. 80:023903, 2009. [pdf] [doi]
Exposure to nanoscale particles and fibers during machining of advanced composites containing carbon nanotubes
D. Bello, B.L. Wardle, K. Ahn, N. Yamamoto, E.J. García, A.J. Hart, M.J. Ellenbecker.
Journal of Nanoparticle Research. 11(1):231-249, 2009. [pdf] [doi]
2008
High-Conductivity Polymer Nanocomposites Obtained by Tailoring the Characteristics of Carbon Nanotube Fillers
N. Grossiord, J. Loos, L. van Laake, M. Maugey, C. Zakri, C.E. Koning, A.J. Hart.
Advanced Functional Materials. 18(20):3226-3234, 2008. [pdf] [doi]
Tuning of vertically aligned carbon nanotube diameter and areal density through catalyst pre-treatment
G.D. Nessim, A.J. Hart, J.S. Kim, D. Acquaviva, J. Oh, C.D. Morgan, M. Seita, J.S. Leib, C.V. Thompson.
Nano Letters. 8(11):3587-3593, 2008. [pdf] [doi]
Fabrication and characterization of ultra-high volume fraction aligned carbon nanotube polymer composites
B.L. Wardle, D.S. Saito, E.J. García, A.J. Hart, R.G. de Villoria, E.A. Verploegen.
Advanced Materials. 20(14):2710-2714, 2008. [pdf] [doi]
Fabrication and multifunctional properties of a hybrid laminate with aligned carbon nanotubes grown in situ
E.J. García, B.L. Wardle, A.J. Hart, N. Yamamoto.
Composites Science and Technology. 68:2034-2041, 2008. [pdf] [doi]
Joining prepreg composite interfaces with aligned carbon nanotubes
E.J. García, B.L. Wardle, A.J. Hart.
Composites Part A. 39(6):1065-1070, 2008. [pdf] [doi]
Long carbon nanotubes grown on the surface of fibers for hybrid composites
E.J. Garcia, A.J. Hart, B.L. Wardle.
AIAA Journal. 46(6):1405-1412, 2008. [pdf] [doi]
Exponential growth of LBL films with incorporated inorganic sheets
P. Podsiadlo, M. Michel, J. Lee, E. Verploegen, N.W.S. Kam, J. Lee, Y. Qi, A.J. Hart, P.T. Hammond, N.A. Kotov.
Nano Letters. 8(6):1762-1770, 2008. [pdf] [doi]
Particle exposure levels during growth and subsequent handling of vertically aligned carbon nanotube films
D. Bello, A.J. Hart, K. Ahn, M. Hallock, N. Yamamoto, E.J. Garcia, B.L. Wardle, M.J. Ellenbecker.
Carbon. 46:974-977, 2008. [pdf] [doi]
Abrupt self-termination of vertically aligned carbon nanotube growth
E.R. Meshot, A.J. Hart.
Applied Physics Letters. 92:113107, 2008. [pdf] [doi]
Conductive carbon nanotube composite microprobes
O. Yaglioglu, R. Martens, A.J. Hart, A.H. Slocum.
Advanced Materials. 20:357-362, 2008. [pdf] [doi]