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Two Approaches to Large-Area Graphene Synthesis For Device Quality Materials

Li and Hofrichter offer two approaches for large-area synthesis of graphene on substrates with potential for device integration. 

Jeff Morse, Ph.D February 26, 2010 2909
Thermal Dip Pen Nanolithography for Direct Writing of Polymer-NanoParticle Composites

Lee et. al. demonstrated a maskless, additive approach for direct writing of a range of NP–polymer compositions using thermal dip-pen nanolithography (tDPN). This technique represents a facile strategy for deposition of a wide range of NP composite materials in order to create dense nanopatterned films.

Jeff Morse, Ph.D February 23, 2010 3027
Implications of Supramolecular Templating of Thick Mesoporous Titania Films for Dye-Sensitized Solar Cells

Zhang et.al., reported on an approach to synthesize thick mesoporous inorganic oxide films in order to harvest more  incident solar radiation, thereby enhancing the efficiency of the solar cell.

Jeff Morse, PhD. February 11, 2010 3525
Nanostructured Solar Cells Have Improved Charge Collection and Self Cleaning Properties

Zhu, et. al., report on the use of “nanodome” solar cells to simultaneously improve optical absorption and enhance surface cleanliness. The resulting structures have power conversion efficiencies of 5.9%.

Fred Sharifi February 08, 2010 5334
Metal-Catalyst-Free CVD Synthesis of Single Wall Carbon Nanotubes

There are several advantages to metal-catalyst-free Carbon nanotubes, from use in a broader range of applications to easier purification, mitigated toxicity concerns, and lower prices of pure CNT materials. Synthesis of single wall carbon nanotubes (SWNT) on non-metallic catalysts, as recently carried out by Liu B. et al. and Huang S. et al., demonstrates that one could generalize standard synthesis processes to capture the fundamental physics underlying the CNT nucleation and growth.

Hyung Gyu Park January 25, 2010 4982
Controlled Deposition of Microparticle Arrays for LEDs

Kumnorkaew and Gilchrist report on the use of the “coffee stain” effect to simultaneously deposit controlled arrays of  microparticles embedded in nanoparticles.  These structures can dramatically improve the output coupling of III-Nitride LEDs.

J. Alexander Liddle December 29, 2009 1031
Nanomaterial Enabled Conductive Paper: A New Paradigm for Flexible Electronics and Energy Storage

While nanostructured materials combined with emerging nanomanufacturing processes are advancing the next generation of displays, e-paper, renewable energy, and energy storage devices, the predominant technologies have employed scaled processes on flexible substrates facilitated by roll-to-roll platforms. Recently, a group of researchers at Stanford University have taken this concept one step further by demonstrating the core materials and processes for fabrication of such devices on everyday paper.

Jeff Morse, PhD. December 15, 2009 729
Integration of CdSe Nanostructures on Graphene Basal Plane by Electrochemical Deposition

Electrochemical deposition techniques offer an alternative method for grafting nanostructured materials on a graphene surface. Kim et. al. report an innovative approach to directly integrate CdSe quantum confined nanostructures with graphene basal planes.

Jeff Morse, PhD. December 09, 2009 898
Organic Electrophoretic Inks Utilizing Encapsulated-Dye Nanoparticles

Oh and collegaues report a straightforward synthesis route for manufacturing colored electrophoretic inks for emerging flexible displays and E-paper applications.

Jeff Morse, PhD. November 30, 2009 654
Nanoparticle-Polymer Array-Based Sensors for Biomedical Applications

Distinguishing between normal, cancerous, and metastatic cells is a major hurdle for the early detection of cancer. Bajaj, et. al. describe a detection approach based on selective noncovalent interactions between cell surface elements and functionalized nanoparticle sensors that does not require a priori knowledge of specific biomarkers.

Jeff Morse, PhD November 02, 2009 702
Study of Chinese Print Workers Claims to Provide the First Human Evidence of the Clinical Toxicity of Long-term Nanoparticle Exposures

A recent study published in the well-known medical journal, the European Respiratory Journal, has been receiving significant publicity as the authors have claimed their findings support an apparent linkage between workplace exposures to nanoparticles and severe respiratory disease.  Specifically, in this study, investigators at China's Capital University of Medical Science related unusual and progressive lung disease in seven Chinese workers, two of whom died, to nanoparticle exposures in a print plant where a polyacrylic ester paste containing nanoparticles was used.  This linkage was made by the study investigators despite a general lack of exposure data for the workers. 

Christopher M. Long and Barbara D. Beck October 29, 2009 1070
Pressure Induced Microphase Separation of Block Copolymers for Ultrahigh-Density Data Storage

Jo et. al. introduce a novel concept for the formation of nanopatterns on a polymer film at room temperature.

Jeff Morse, PhD October 21, 2009 756
Self-assembled Artificial DNA Nanostructures on Templated Surfaces

Kershner, et. al., report a synergistic top down and bottom up process for creating self-assembled nanostructures of DNA origami.

Jeff Morse, PhD October 16, 2009 764
Dynamic Patterning of Nanostructures by Combined Electrokinetic Forces

NanoPen represents a versatile approach to patterning a range of nanostructured materials, including nanorods and nanotubes.

Jeff Morse, PhD October 14, 2009 692
Benefits of Three-Dimensional Integrated Nanostructures for Energy Applications

In three new studies, the ability to design 3D materials architectures provides a versatile approach towards optimization of device properties for enhanced performance in product applications.

Jeff Morse, Ph.D September 15, 2009 966
Nanostructured Cathodes for Improved Energy Storage in Rechargeable Batteries

Ji et. al. investigate the use of nanostructured sulphur/mesoporous carbon as a cathode material to overcome the challenges of Lithium-Sulfur cell technology, suggesting a path to the realization of high-capacity, long-cycle-life rechargeable batteries.

Jeff Morse, Ph.D August 21, 2009 934
Enhanced Solar Cell Efficiency Using Nanoimprinted Surface Morphology

Lee et. al demonstrate a simple, low-cost method to imprint nanoscale patterns in the surface of polymer-based photovoltaic materials systems for enhanced power conversion efficiency.

Jeff Morse, Ph.D August 13, 2009 938
Subdiffraction-limited Imaging and Lithography Using Flat HyperLens Designs

Xiong et. al. report a feasible design to achieve subdiffraction-limited patterns generated from a diffraction-limited mask using a hyperlens with flat input and output surfaces. This approach has demonstrated utility for generating arbitrary subdiffraction-limited pattern features.

Jeff Morse, Ph.D August 10, 2009 896
Progress Towards High-Throughput Continuous Nanoimprinting

Progress towards scaled, large-area NIL for high-throughput roll-to-roll and roll-to-plate processes has been demonstrated, representing a significant step towards integration of emerging nanomanufacturing techniques with high throughput production infrastructure.

Jeff Morse, Ph.D July 17, 2009 1223
Novel One-Pot Synthesis of Thiol-group Modified Silicate Nanoparticles

Neville, et. al., investigate a silicate nanoparticle fabrication process based on natural biosilication, in which specialized proteins catalyze silication at neutral pH and ambient temperature conditions to produce silicate nanostructures down to 50 nm in size.

Jeff Morse, Ph.D. July 16, 2009 962
 
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  • Testbeds  ( 3 items )

    System level test-beds are public-private partnerships designed to transfer promising fundamental discoveries and developments from the research laboratory to viable manufacturing platforms that can be adopted by industry. The NNN is taking a close look at some of these collaborations from our affiliate research centers.

  • Topics in Nanomanufacturing  ( 5 items )

    Topics in Nanomanufacturing are short, encyclopedia-like entries designed to provide provide an overview of a specific topic of relevance to nanomanufacturing in enough detail to serve as a reference in itself, but also provide additional information for those who wish for more in-depth analysis. 

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