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MATERIALS, CHEMICALS, COATINGS NEWS
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Silicon Metamaterials Hold Promise for Photonic Circuits, Chips
WEST LAFAYETTE, Ind., Feb. 5, 2016 — As data transmission technology seeks miniaturization, all-diaelectric, a silicon-based metamaterials may offer the necessary control of light through achievement of total internal reflectance. Researchers from Purdue University seek to engineer total internal reflection in optical fibers surrounded by a transparent silicon metamaterial, which could enable computer chips and interconnecting circuits that use light instead of electrons to process and transmit data. Although optical

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Solar-Tectic Awarded Thin Film Patent
BRIARCLIFF MANOR, N.Y., Feb. 5, 2016 — Solar-Tectic LLC has been awarded a U.S. patent for hybrid organic/inorganic thin film solar cell growth on inexpensive substrates such as flexible and ordinary soda-line glass. The patent discloses a unique growth technique that, for the first...
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Fonon Announces Growth Strategy
LAKE MARY, Fla., Feb. 3, 2016 — Material processing developer Fonon Corp. has announced its market growth strategy through the targeting of three growth markets The company has announced its focus on the 3D additive manufacturing and metal printing systems field which is...

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LZH Launches 3 Hybrid Numerical Optics Research Projects
HANOVER, Germany, Feb. 3, 2016 — Nonprofit research institute Laser Zentrum Hannover e.V. (LZH) is working on three subprojects in the new research priority, Hybrid Numerical Optics, of the Hannover Centre for Optical Technologies (HOT) at Gottfried Wilhelm Leibniz University...
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Self-Assembling Fabrication Method Offers Alternative to Photolithography
CAMBRIDGE, Mass., Feb. 2, 2016 — Block copolymers — molecules that spontaneously self-assemble into useful shapes — are a promising alternative to photolithography techniques for manufacturing nanoscale circuits. Researchers from the Massachusetts Institute of...

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Flexible Polymer Offers Tunable Transparency
CAMBRIDGE, Mass., Jan. 29, 2016 — An experimental, rubber-like polymer structure has been used to model predictions of material transparency based on thickness and degree of structure. The material and predictive model could enable inexpensive materials for smart windows and other...
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Glass Material Could Protect Electronics from UV Damage in Space
GUANGZHOU, China, Jan. 28, 2016 — A novel fabrication method has produced glass that protects living cells and organic dyes from UV damage, and could be used to shield electronics in space from the detrimental effects of UV radiation. Researchers from South China University of...

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SCI Announces $450K Thin Film Order
COLUMBUS, Ohio, Jan. 22, 2016 — SCI Engineered Materials Inc., a manufacturer of advanced materials for physical vapor deposition thin film applications, has received a $450,000 order for thin film solar products from a customer in Asia. “We are very pleased to receive...
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Hole-Transport Material Advances Perovskite PV Systems
LAUSANNE, Switzerland, Jan. 19, 2016 — A solar panel material has achieved 20.2 percent power-conversion efficiency while reducing the costs of photovoltaic systems. A 3D illustration of fluorine-dithiophene molecules on a surface of perovskite crystals. Courtesy of Svein M....

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Nanoengraving Technique Uses Chemical Etching to Achieve 100-nm Resolution
MOSCOW, Russia, Jan. 19, 2016 — A femtosecond laser deposition mechanism has achieved patterns on glass with 100-nm resolution. The method could allow quick and inexpensive production of nanoscale sensors and chips. Institute of Chemical Physics abbreviation applied to glass....
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Star Measurement Technique Could Advance Materials Manufacturing
NUREMBERG, Germany, Jan. 19, 2016 — A method for studying the influence of gravity on the propagation of light has enabled laboratory study of surface curvature, a material property that could be leveraged to improve manufacturing of integrated optical circuits or micro-optic...

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Fish-Inspired Fractals Guide Optical Coating Design
STATE COLLEGE, Pa., Jan. 14, 2016 — Fish scales could serve as a model for better broadband reflectors and custom multispectral filters. "We are proposing a model that uses fractal geometry to describe the layering in the biological structure of silvery fish," said Pennsylvania...
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Alluxa Expands Optics Manufacturing Facility
SANTA ROSA, Calif., Jan. 13, 2016 — Alluxa Inc., a provider of hard-coated optical filters, has expanded its manufacturing facility by 50 percent. The location now houses 10 identical plasma deposition machines and a larger area for coating, glass fabrication and assembly. The...

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Rick Hoffman Joins MicroCare as Sales Manager
NEW BRITAIN, Conn., Jan. 5, 2016 — MicroCare Corp., a manufacturer of precision cleaning, coating and lubrication products, has appointed Rick Hoffman eastern regional sales manager. A graduate from Bentley University, Hoffman has over 30 years of industrial sales experience with a...
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Metasurface Encodes IR Images
PALAISEAU, France, Dec. 28, 2015 — Irregular metasurfaces can be made to encode multiple images at IR frequencies in much the same way as the pixels in a television screen can form a visible-light image. This was demonstrated with an array of subwavelength metal-insulator-metal...

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Semiconductor Interface Emits UV Light in Presence of Water
PHILADELPHIA, Dec. 17, 2015 — Just a few molecules of water can cause a complex oxide material to emit intense UV light, a discovery that could have bearing on chemical sensors and optical computing. The phenomenon was observed by a team led by researchers at the University of...
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Carbon Sciences Funds UCSB Research into Graphene Optical Modulators
SANTA BARBARA, Calif., Dec. 17, 2015 — Carbon Sciences Inc. will fund R&D at the University of California, Santa Barbara, of a graphene-based optical modulator, a fiber optic component intended to address data center bottlenecks and enhance cloud computing. The company believes...

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Correlated Metal Films Eyed for Affordable Displays
UNIVERSITY PARK, Pa., Dec. 16, 2015 — A highly transparent and electrically conductive metal thin film holds promise as an alternative to indium tin oxide (ITO) in displays, windows, touch screens and solar cells. ITO is a transparent conductor used in more than 90 percent of the...
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Injket Method Cuts Hologram Production Costs, Time
ST. PETERSBURG, Russia, Dec. 15, 2015 — Rainbow holograms like those used to protect credit cards and currency can be created with an ordinary inkjet printer, reducing production time and cost. The technique was developed at the St. Petersburg National Research University of Information...

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Spectroscopic Probe Monitors Photoconversion Process
GOLDEN, Colo., Dec. 10, 2015 — A measurement probe could lead to improvements in how photoelectrodes are designed, making them more efficient and stable. Photoelectrochemical cells can be used to convert solar energy into transportable chemical fuels. The photoconversion...
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Technique Sinters Thin Films at Lower Temps
CORVALLIS, Ore., Dec. 4, 2015 — A revised approach to the process of photonic sintering could advance thin films for solar cells, flexible electronics, sensors and other printed technologies by decreasing the temperature required for fabrication. Sintering is the fusing of...

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Process Minimizes Contact Reflectance in Solar Cells
STANFORD, Calif., Nov. 30, 2015 — Electrical contacts take up 5 to 10 percent of the surface of conventional solar cells, reflecting sunlight and hampering power generation. A simple chemical reaction can cause those contacts to recede while exposing more of a cell's...
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Superacid Erases Thin Film Defects, Boosting Luminescence
BERKELEY, Calif., Nov. 26, 2015 — An organic superacid can smooth out defects in monolayer semiconductors, potentially making them more viable for applications such as transparent LED displays, ultrahigh-efficiency solar cells and photodetectors. The chemical treatment method...

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Kirigami Helps Solar Cells Track the Sun
ANN ARBOR, Mich., Nov. 18, 2015 — Kirigami, the ancient Japanese art of paper cutting, could help create flexible solar cells that track the sun to generate more electricity than stationary panels. With help from an art professor, researchers at the University of Michigan recently...
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UV Light Powers Nanosubmersible Motors
HOUSTON, Nov. 17, 2015 — Single-molecule machines that move through fluids with UV light-powered motors could someday carry cargo for medical and other applications. Microscopic machines with motors have been developed over the years, said Rice University professor James...






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