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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. Photoconductive hybrid films via directional self-assembly of C60 on aligned carbon nanotubes. Advanced Functional Materials 22(3):577-584, 2012. [http://dx.doi.org/10.1002/adfm.201102393] Hybrid nanostructured materials can exhibit different properties than their constituent components, and can enable decoupled engineering of energy conversion and…
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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. Four degree of freedom liquid dispenser for direct-write capillary self-assembly with sub-nanoliter precision. Review of Scientific Instruments 83:015104, 2012. [http://dx.doi.org/10.1063/1.3673680][video1(.mpg)][video2(.mpg)] Capillary forces provide a ubiquitous means of organizing micro- and nanoscale structures on substrates. In order to investigate the mechanism of capillary self-assembly…
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Chemically controlled bending of compositionally anisotropic microcylinders
S. Saha, D. Copic, S. Bhaskar, N. Clay, A. Donini, A.J. Hart, J. Lahann. Chemically controlled bending of compositionally anisotropic microcylinders. Angewandte Chemie 51(3):660-665, 2012. [http://dx.doi.org/10.1002/anie.201105387] We report a new type of compositionally anisotropic microcylinders, where defined compartments within the same microcylinder undergo differential expansion due to the site-selective growth of a surface layer. The…
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CNT microfabrication process chosen as JMM “Highlight of 2011”
Our group’s work on CNT microfabrication was honored as one of the Highlights of 2011 by the Journal of Micromechanics and Microengineering. The article is entitled “Fabrication and electrical integration of robust carbon nanotube micropillars by self-directed elastocapillary densification.” As noted by Ian Forbes, PhD, publisher, “the chosen articles were identified as some of the highest…
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Lab expands to Biointerfaces at NCRC
In connection with the establishment of the University of Michigan Biointerfaces Institute, the Mechanosynthesis group has expanded its laboratory facilities to include a state-of-the-art space at the North Campus Research Complex (NCRC). We are excited about this new opportunity to expand our work in polymer microfabrication, self-assembly, and biomaterials, and to collaborate with other groups…
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John Hart Receives 1938E Award
Dr. John Hart has been selected to receive the 2012 University of Michigan 1938E Award. The 1938E award is the highest award given annually by the College of Engineering to an Assistant Professor. It is presented “in recognition of an outstanding teacher in both elementary and advanced courses, an understanding counselor of students who seek…
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Mechanosynthesis Group Receives C-PHOM Seed Grant
Our group was awarded a seed grant from the Center for Photonic and Multiscale Nanomaterials (C-PHOM) at Michigan. We are excited to use these funds to explore a novel fabrication process for metal nanoparticle cluster biosensors.
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NSF Highlights 3DCNT Work
The National Science Foundation (NSF) has highlighted our 3DCNT project, entitled “Fabrication of Freeform Hierarchical Micro/Nanostructures by Control of Capillary Interactions with Aligned Carbon Nanotubes”. The project is funded by the NSF Nanomanufacturing Program, and NSF’s support has been instrumental to the development of this new manufacturing process by our group. To see the highlight…
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Michael de Volder wins first place in "Science as Art"
In connection with the 2011 MRS Fall Meeting in Boston, Michael de Volder won first place in the “Science as Art” competition for his work with CNT using capillary forming.
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Sameh Tawfick Dissertation Defense
November 21, 2011: Sameh Tawfick successfully defended his PhD dissertation “Mechanocapillary Forming of Filamentary Materials”