Nanomaterials and Nanotechnology Products Specifications

Nanotechnology Product Type


	Type
	Your choices are...
	Nanocrystals / Quantum Dots		Quantum dots, artificial atoms, quantum bits or nanocrystals are are so small that their energies or optical properties are determined by particle size and shape due to quantum confinement effects and not the bulk material properties of the material. Quantum dots can be manufactured using semiconducting or conducting materials. Colloidal dispersions or quantum dots have useful photo-emission properties. Applications for quantum dots include optical displays (LEDs, flat panel displays), memory (Flash memory), cryptography systems, photovoltaics (solar cells), storage media, flexible electronics, neural networks, telecommunications components and quantum computing.
	Nano Fiber / Nanowire		Solid fibers or wires have a nanoscale diameter such as a nanowires, nanorods, quantum wires, nano wire arrays or nano fibers. Length may exceed nanoscale dimensions. Nanowire may provide high conductivity interconnects within future integrated circuit devices.
	Nanotube		Nanotubes are toroidal-shaped fullerene molecules or strings of C60 carbon molecules stacked into a nanosized carbon tube shape. Depending on their structure, nanotubes can serve as conductors that conduct electricity as efficiently as copper or semiconductors. Long filament nanotubes can be used as reinforcements in composites to produce high strength and lightweight materials. Nanotubes have also been synthesized from other materials. Aggregates of nanotubes are called nanohorns. Gas or liquid molecules can be trapped inside a nanotube, providing a potential mechanism for gene insertion or drug nanoencapsulation and delivery.
	Nanogel / Nanoporous (Aerogel)		Nanogels, aerogels, hydrogels or other nanoporous material have a pore structure on the nanometer scale. Silica aerogel's pore network (2 to 50 nm) accounts for 95% of the material's volume. The fine, open porosity of nanogels can be used for thermal insulation, as a scaffold for nanocomposite manufacturing, and to capture fragrances, chemical, catalysts or biochemicals for later delivery or analysis.
	Nanostructured Material / Compound		Nanostructured materials include compounds, composites, alloys, ceramics or other finished consolidated products with a crystal size or structure on a nanoscale. The nanostructured materials can be fabricated through a variety of means such as nanoparticle additions to a metal, ceramic or polymer matrix; severe thermomechanical processing of an alloy; chemical or electrochemical synthesis; and vapor deposition (CVD, PVD, etc.)
	Nano Device		Electronic, optical, mechanical or electromechanical devices are built on a nanoscale or with nanosized components.
	Nano Powder / Particulate		Powders or particulates have a nanoscale particle size or an average size within the nanoscale range ( 1 to 100 nm).
	Fullerenes		Fullerenes or buckyballs are carbon (C60) molecules having a cage-like structural arrangement of 60 or more atoms. The surface of the fullerene sphere consists of a mixture of twelve rings with five carbon atom members with the balance of rings having six carbon atoms. The name for these materials was derived from Buckminster Fuller due to similarity between the molecules and the geodesic dome structures that Fuller invented. Gas or liquid molecules can be trapped inside the buckyball, providing a potential mechanism for drug nanoencapsulation and delivery.
	Other		Other unlisted, specialized, proprietary, custom or application-specific product types.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Single Walled (SWNT)?		Nanotubes or nanomaterials are constructed of a single plane of atoms. Single walled nanotubes (SWNTs) have superior properties compared to double walled nanotubes (DWNTs) for certain applications.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Double / Multi-Walled?		Nanotubes or nanomaterials are constructed of two or more planes of atoms.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Dispersion (Coating / Concentrate)?		Nanomaterials or nano products are a dispersion or suspension of nanoparticles in a liquid, or a resin such as a coating or concentrate. The dispersion may remain liquid or may be applied to a surface and cured or dried to a form a film or coating. Concentrates may be added to other resins to produce a finished molding or extrusion compound with improved properties. Nanoparticle dispersions may also be useful in enhancing adhesives, molding compounds, casting resins, sealants, encapsulants, lubricants, paints, coating and other materials.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

Specifications


	Particle / Feature Size:		The diameter or width of the nanoparticle, nanotube, nano powder or particulate. On consolidated nanomaterials or nano devices, this is the diameter or width of the nanoscale feature or crystal.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Specific Surface Area (SSA):		Specific surface area (SSA) is the surface area of the particulate in terms of mass per unit surface area. On very small particles, specific surface area may be easier to determine than a direct measurement of crystal size. Specific surface area can provide an indication of average particle size, but not particle size range or distribution. Typically, gas absorption techniques such as Brunauer-Emmett-Teller absorption (BET) are used to determine SSA.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

Material Type



	Your choices are...
	Carbon		Nanomaterials are based on carbon or built from carbon atoms.
	Ceramic / Carbide		Ceramics and refractories have high melting points and hardness. Ceramics are suitable for applications requiring wear resistance, high temperature strength, electrical or thermal insulation or other specialized characteristics.
	Chemical / Precursor		Precursors are chemicals which are thermally decomposed, deposited or processed to produce ceramics, metals or other materials.
	Ferrite / Magnetic		Nanomaterials are based on ferrite, garnet, or other magnetic materials. Ferrite and ferromagnetic materials are useful for data storage media.
	Metal		Metals are a broad category of elements that usually have a shiny surface and grayish color, are good conductors of electricity and heat, can be melted or fused, hammered into thin sheets, or drawn into wire. Common metals include, steel, copper, gold silver, tin, iron, lead, aluminum, and magnesium.
	Mineral / Nanoclay		Mineral nanoparticulates are forms of silicates, clays, calcium carbonate, wollastonite, aggregates and other additives used to extend, fill, strengthen or modify plastics, coatings, adhesives, and other materials. Nanoclay additions to resin compounds can enhance strength and flame retardancy beyond the level of strengthening provided by a micron-sized clay filler.
	Nanocomposite		Composite materials typically consist of a matrix and a dispersed second phase. The second phase can be particulate, fibrous or continuous. The second phase may reinforce (strengthen or stiffen), alter electrical, thermal or magnetic properties, or enhance wear or erosion resistance.
	Polymer		Polymers and polymer materials encompass a board range of products such as plastics, elastomer or rubber materials, semi-finished plastics (stock shapes), elastomer shapes, molding compounds, liquid or casting resins, monomers and intermediates.
	Semiconductor		Nanomaterials or nanotechnology products are based on semiconductor, metalloids or compound semiconductors such silicon, germanium, gallium arsenide, or silicon carbide.
	Silica / Silicate		Silica and silicates are compounds of silicon and oxygen. Silicates can contain additional elements or modifiers to form more complex compounds such as sodium silicates, borosilicates, or calcium aluminum silicates. Silicates can be glassy (e.g., borosilicate glass) or crystalline. Silica-based glass is a hard, brittle material consisting or a mixture of silicates and usually transparent or translucent. Quartz and high purity, amorphous fused silica are high performance ceramics with very low expansion, remarkable thermal shock resistance, low thermal conductivity, excellent electrical insulation up to 1000° C and excellent resistance to corrosion from molten metal and glass.
	Other		Other unlisted, specialized, proprietary, custom or application-specific materials.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Glassy / Amorphous?		Glasses, amorphous materials or glassy materials are a large class of materials with variable mechanical and optical properties. They are formed by cooling from a molten state without crystallization. Glassy materials are considered to be a cooled liquid rather than a true solid. Glasses can be metallic or inorganic (silicate) based. Silica based glass is a hard, brittle material consisting or a mixture of silicates that is usually transparent or translucent.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

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