New solar cells are more efficient

The devices harvest blue as well as red light to reap more energy than ever before.

The new hybrid cell absorbs red as well as blue light to boost the electrical current. A typical solar cell generates a single electron for each photon captured. But by adding the organic semiconductor pentacene, the solar cells can generate two electrons for every photon from the blue light spectrum. This could enable the cells to capture 44 percent of the incoming solar energy. Full Story »

Posted by Dwight Rousu
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Posted by: Posted by Dwight Rousu - Apr 17, 2012 - 2:05 AM PDT
Content Type: Article
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Edited by: Dwight Rousu - Apr 17, 2012 - 2:09 AM PDT

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Dwight Rousu
4.1
by Dwight Rousu - Apr. 17, 2012

An interesting development in solar cell science, presented in a well written and mostly understandable way.

See Full Review » (11 answers)
Sirajul Islam
3.8
by Sirajul Islam - Apr. 19, 2012

This story based on a research paper "Singlet Exciton Fission-Sensitized Infrared Quantum Dot Solar Cells,” published in Nano Letters authored by Bruno Ehrler and Neil Greenham, University of Cambridge is the basis for this excellent story that informs us that a new solar cell could harvest energy from the sun much more efficiently than traditional devices do, and that can dramatically improving the amount of useful energy solar panels can create. Good story by Laura Marshall, Managing Editor of PHOTONICS.

"…lots of companies are developing low-cost printed photovoltaics for different markets. By demonstrating this new strategy for beating the usual solar-cell ... More »

See Full Review » (19 answers)

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