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News Flash

French scientists tout first use of nano-structured assemblies that could revolutionize dentistry

Plastics help design non-shatter pint glass to prevent pub attacks

Harvard Univ researchers show how soft robotics could navigate a difficult obstacle

Self-healing plastics healing like human skin

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Researchers gather to discuss advances in organic photovoltaics (OPV)

Can polymer reinforced aerogel make a space mission? University of Akron researchers think so!

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Yale scientists develop high performance thin film composite membrane

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MIT researchers develop first Solar Thermal Fuel storage platform in solid-state

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Univ of Texas @ Austin scientists reported method to produce a large scale reduced graphene oxide

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Carbon3D, a Canadian company unveils a breakthrough technology for layerless 3D printing

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German researchers unveiled a green approach to electrospinning technique for making biodegradable nanofibres

McMaster university (Canada) researchers developed flexible solar cell technology

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Mannigton converts large stickers from 2010 winter games into commercial flooring

USA researchers report polymeric blood-resistant surgical glue that can repair minimally invasive heart defects

Bayer uses PC film Makrofol? for it's new Innosec Fusion? technology to stop counterfeiting

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USA researchers develop all-polymer multilayer coating to retard fire and to suppress smoke

Teijin Techno Products claims to be world’s first mass producer of aramid nanofibers

UCLA scientists showed how simple it could be to make conducting polymer thin films

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Cima NanoTech flexes mussels with its non-Indium Tin Oxide, high performance transparent conductors

MIT researchers develop first Solar Thermal Fuel storage platform in solid-state

Are you interested in self-healing polymers – must read reviews

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Korean scientists provide a different twist to the “Smart Window” technology

MIT researchers show how to draw Polyethylene as nanofibers and get a very high thermal conductivity

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3D systems introduces non-halogenated flame retardant for aircraft applications

Sabic Innovative Plastics unveils its newly developed a clear flame retardant Polycarbonate copolymer

Harvard University researchers design stretchable, transparent ionic conductors

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Can you 3D print yourself? TwinKinds of Germany shows just that!

Singapore researchers touts corn starch can help solve body armour and protective sports padding

Non-toxic, liquid bandage from Chesson Labs of Durham, NC is ready for the healthcare market

Japanese researchers are developing stereo-block type PLAs for high performance materials

Can you “Cool Your Roof” - reports researchers from Chinese Academy of Sciences, Beijing

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Battelle researchers are improving PLA for injection molding applications

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MIT team aims to develop application specific surgical adhesives to seal tissues

James Cropper Speciality Paper touts recycling of disposable coffee cups

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Japanese scientists report a unique, smart and self-healing polymer nanocomposite hydrogels

Swedish researchers show highest reported charge capacities for all polymer paper-based battery

Umass, Amherst researchers find ways to hold 300 kilograms of weight using sticky tape

Chinese researchers made a bendy polymer that could separate aromatics hydrocarbons from aliphatic

Stanford Univ researchers make Jell-O-like conducting polymer hydrogels

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Canadian researchers claim world’s most efficient “inverted” OPV solar cells

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Can you “Cool Your Roof” - reports researchers from Chinese Academy of Sciences, Beijing

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University of Texas at Austin researchers show use of polymer membranes for fracking in shale gas

Canadian researchers claim world’s most efficient “inverted” OPV solar cells

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Researchers from National Research Council (NRC) of Canada in collaboration with Laval University have developed most efficient “inverted” organic photovoltaic (OPV) solar cells. The team claims the power conversion efficiency of these cells are 7.1%. In other words, the cells could convert 7.1 % of incoming solar light into electricity which beats the previous record of 6.9% set by Imec, a Belgian company. Not only the developed OPV cells are efficient but also they have larger active area meaning these cells could be a commercial reality soon. How OPV cells efficiency compare to amorphous silicon solar cells those are available in the market? Well, there is a gap of just over 2% to catch up with silicon solar cells.

Inverted OPV has some interesting advantages over its couterpart. It makes the cells more stable, making them less prone to environmental degradation. Also, these OPV cells have the optimum structure for roll-to-roll mass production and can be utilized in applications where the shapes are irregular such as briefcases, backpacks, tents and even a building.

How these solar cells could be made commercial one day?

NRC's solar cells are made of thin layers of plastic or a polymer called poly-carbazole. These polymers are electrically conductive due to its chemical structure.  According to the scientists, flexible active layer of these polymers can be "painted" or "printed" onto a thicker plastic backing layer, like an overhead projector transparency that can be rolled or folded like tough and yet light portable road maps.                                                                                                                                                                                                                                                                                                                       Further Reading: