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Ultrafast laser technique to observe electron action

15-05-2014

University of Central Florida physicist Zenghu Chang has done it again. For a third time this year, his research group has published an article in a Nature journal. This time, Chang and his team have developed a new ultrafast light source for observing electron motion in molecules – made up of ...

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Taking the lead out of a promising solar cell

Environmentally friendly solar cell pushes forward the 'next big thing in photovoltaics'

06-05-2014

Northwestern University researchers are the first to develop a new solar cell with good efficiency that uses tin instead of lead perovskite as the harvester of light. The low-cost, environmentally friendly solar cell can be made easily using "bench" chemistry -- no fancy equipment or hazardous ...

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Breakthrough harnesses light for controlled chemical reaction

Dual-catalyst technique controls 'handedness' of product

28-04-2014

When chemist Tehshik Yoon looks out his office window, he sees a source of energy to drive chemical reactions. Plants "learned" to synthesize chemicals with sunlight eons ago; Yoon came to the field a bit more recently. In the journal Science, he and three collaborators detail a way to use ...

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Organic solar cells more efficient with molecules face-to-face

09-04-2014

New research from North Carolina State University and UNC-Chapel Hill reveals that energy is transferred more efficiently inside of complex, three-dimensional organic solar cells when the donor molecules align face-on, rather than edge-on, relative to the acceptor. This finding may aid in the ...

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Functional fine chemicals for new electronics and electrics: More scope

07-04-2014

The IDTechEx report Functional Materials for Future Electronics: Metals, Inorganic & Organic Compounds, Graphene, CNT looks at the new electronics and electrics from the point of view of suppliers of fine chemicals and associated high added value processes. The electrically functional fine ...

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Living materials

25-03-2014

Inspired by natural materials such as bone — a matrix of minerals and other substances, including living cells — MIT engineers have coaxed bacterial cells to produce biofilms that can incorporate nonliving materials, such as gold nanoparticles and quantum dots. These "living materials" combine ...

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Bionic plants

18-03-2014

Plants have many valuable functions: They provide food and fuel, release the oxygen that we breathe, and add beauty to our surroundings. Now, a team of MIT researchers wants to make plants even more useful by augmenting them with nanomaterials that could enhance their energy production and give ...

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Two-dimensional material shows promise for optoelectronics

Team creates LEDs, photovoltaic cells, and light detectors using novel 1-molecule-thick material

12-03-2014

A team of MIT researchers has used a novel material that's just a few atoms thick to create devices that can harness or emit light. This proof-of-concept could lead to ultrathin, lightweight, and flexible photovoltaic cells, light emitting diodes (LEDs), and other optoelectronic devices, they ...

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New, inexpensive production materials boost promise of hydrogen fuel

25-02-2014

Generating electricity is not the only way to turn sunlight into energy we can use on demand. The sun can also drive reactions to create chemical fuels, such as hydrogen, that can in turn power cars, trucks and trains. The trouble with solar fuel production is the cost of producing the ...

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New theory may lead to more efficient solar cells

03-02-2014

A new theoretical model developed by professors at the University of Houston (UH) and Université de Montréal may hold the key to methods for developing better materials for solar cells. Eric Bittner, a John and Rebecca Moores Professor of Chemistry and Physics in UH's College of Natural Sciences ...

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