Sino-U.S. Cooperation Creates World Record of Solar Cell Efficiency

How to improve the energy conversion efficiency of polymer solar cells has always been an international frontier problem. The author was informed yesterday from South China University of Technology that the Chinese State Key Laboratory of Luminescent Materials and Devices, the Polymer Optoelectronic Materials and Devices Research Institute, and Phillips 66 and Solarmer Energy have announced that the three parties have created a single-junction polymer (polymer). The new world record for solar cell efficiency reached 9.31%. This efficiency was independently verified by the Newport Technology and Applications Center Photovoltaic Laboratory in Long Beach, California, USA.

The polymer solar cell uses a water/alcohol-soluble polymer solar cell interface control material and technology developed by the Institute of Polymer Optoelectronic Materials and Devices of South China University of Technology.

According to the introduction, a polymer solar cell is a new type of solar cell whose core is a polymer (polymer) semiconductor material, and has the following features in solar power generation, field portable chargers, solar electric vehicles, and power building exterior walls. Broad application prospects. (Reporter / Lei Yu Correspondent / Lu Qinglei)

Pull-out Basin Faucets

What are pull out Kitchen Faucets?

A pull-out faucet has a faucet head/sprayer that pulls out towards you.


Whats the difference between a pull down and pull out faucet?

What's the difference between a pull-down and pull-out faucet? With a pull-down faucet, the spray wand is an extension of the faucet that you can literally pull down, whereas you need to pull out a pull-out spray wand. A pull-out wand can also be a part of the faucet or mounted separately on the sink ledge.


Which is better pull down or pull out kitchen faucet?

Pull-out faucets take up much less headroom than a pull down model, making it a great choice for kitchens with cabinet space above the sink. ... If you have a shallow sink, a pull-out faucet may be more beneficial, as it has less splashback than the pull-down model.


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