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Articles 1 - 9 of 9
Full-Text Articles in Engineering
Morphology Evolution Mechanisms Of Low Band Gap Polymer-Based Photovoltaics, Sunzida Ferdous
Morphology Evolution Mechanisms Of Low Band Gap Polymer-Based Photovoltaics, Sunzida Ferdous
Doctoral Dissertations
An optimal nanoscale phase separation between the donor (generally, a conjugated polymer) and the acceptor (generally, a fullerene derivative) materials is one of the major requirements for obtaining high efficiency organic photovoltaic (OPV) device. Recent methods of controlling such nanostructure morphology in a bulkheterojunction (BHJ) OPV device involve addition of a small amount of solvent additive to the donor and acceptor solutions. The idea is to retain the acceptor materials into the solution for a longer period of time during the film solidification process, thus allowing the donor material to crystallize earlier. The ultimate morphology resulting from the solvent casting …
Tunable Photonic Multilayers From Stimulus-Responsive, Photo-Crosslinkable Polymers, Maria C. Chiappelli
Tunable Photonic Multilayers From Stimulus-Responsive, Photo-Crosslinkable Polymers, Maria C. Chiappelli
Doctoral Dissertations
This dissertation describes the synthesis of photo-crosslinkable copolymers and their utilization for the fabrication and testing of tunable and responsive one-dimensional (1D) photonic multilayers. Photonic multilayers exhibit structural color due to the interference of incident light at layer interfaces, providing a convenient route towards optically responsive materials that do not rely on potentially light- or oxygen-sensitive chromophore-containing pigments and dyes. A fabrication technique based on sequential spin-coating and crosslinking of photo-crosslinkable polymers is used to assemble tunable and responsive photonic multilayers. Chapter One introduces the fundamental underlying principles of 1D photonic structures and explores their importance in a variety of …
Functional Nanostructures From Nanoparticle Building Blocks, Jimmy Lawrence
Functional Nanostructures From Nanoparticle Building Blocks, Jimmy Lawrence
Doctoral Dissertations
Advances in the synthetic strategies of engineered nanomaterials, multifunctional molecules and polymers have opened pathways for the development of functional nanomaterials having unique optoelectronic, mechanical, and biological properties. By designing the chemistry of surface ligands, the organic interface of nanoparticles, one can further the versatility and utilization of engineered nanomaterials, opening pathways for breakthroughs in sensing, catalysis, and delivery using nanomaterials. This thesis describes the synthesis and characterization of small molecule and polymer ligand functionalized inorganic nanoparticles (e.g., metal, semiconducting). Embedding specific chemical functionality into the ligand periphery of nanoparticles enables the resulting functional nanoparticles to react selectively …
Where To Buy Materials For The Activities, Morton Sternheim
Where To Buy Materials For The Activities, Morton Sternheim
Nanotechnology Teacher Summer Institutes
Sources for some of the less common materials used in the activities.
Nanotechnology Overview Powerpoint, Mark Tuominen
Nanotechnology Overview Powerpoint, Mark Tuominen
Nanotechnology Teacher Summer Institutes
Nanotechnology is the understanding and control of matter at dimensions of roughly 1 to 100 nanometers, where unique phenomena enable novel applications. This PowerPoint gives an overview of the field and introduces the teacher summer institute.
Seeing At The Nanoscale: New Microscopies For The Life Sciences, Jennifer Ross
Seeing At The Nanoscale: New Microscopies For The Life Sciences, Jennifer Ross
Nanotechnology Teacher Summer Institutes
Visualizing single modules with fluorescence microscopy
Ozone, Uv, And Nanoparticles, Morton Sternheim, Jennifer Welborn
Ozone, Uv, And Nanoparticles, Morton Sternheim, Jennifer Welborn
Nanotechnology Teacher Summer Institutes
•Ultraviolet light causes skin damage and cancer •Ozone in the stratosphere blocks UV •Sunscreen blocks UV, partly •Nanoparticles in sunscreen improve blocking Sunscreen PowerPoint and activities based on NanoSense web site:
http://nanosense.sri.com/activities/clearsunscreen/index.html
Self Assembly, Mark Tuominem, Jennifer Welborn, Rob Snyder
Self Assembly, Mark Tuominem, Jennifer Welborn, Rob Snyder
Nanotechnology Teacher Summer Institutes
No abstract provided.
Nanomedicine, Mark Tuominen
Nanomedicine, Mark Tuominen
Nanotechnology Teacher Summer Institutes
An overview of nanomedicine. The end goal of nanomedicine is improved diagnostics, treatment and prevention of disease. Nanotechnology holds key to a number of recent and future breakthroughs in medicine.