In a photovoltaic cell, light generates opposite charges in the active layer. The charges must then be separated as quickly as possible to keep them from recombining. Positive charges are driven by a built-in electric field ...
Materials Science
Sep 2, 2016
2
344
While investigating perovskite crystals, University of Groningen scientists made an observation that could make perovskite solar cells more efficient. It could also lead to new sensors for oxygen and water vapor. The results ...
Condensed Matter
Jul 27, 2016
0
342
'Roses are red and violets are blue' – so says the old poem.
Energy & Green Tech
Jul 5, 2016
68
65
Scientists in South Korea have made ultra-thin photovoltaics flexible enough to wrap around the average pencil. The bendy solar cells could power wearable electronics like fitness trackers and smart glasses. The researchers ...
Energy & Green Tech
Jun 20, 2016
37
184
A patented breakthrough by researchers at the Technion-Israel Institute of Technology improves the efficiency of organic photovoltaic cells by 50 percent, and could someday provide a huge boost for the viability of solar ...
Optics & Photonics
Feb 22, 2016
0
27
It could herald a great leap forward in the way we live our lives. The internet of things, the idea that objects can be interconnected via a global network, will run your home, keep you healthy and even check how much food ...
Engineering
Nov 10, 2015
0
123
Engineers at Oregon State University have identified a new approach for the storage of concentrated solar thermal energy, to reduce its cost and make it more practical for wider use.
Energy & Green Tech
Nov 3, 2015
4
229
Perovskites have recently emerged as a most promising material for low-cost production of highly efficient solar cells. In particular, the so-called organic-inorganic metal halide perovskites are among the most exciting recent ...
Nanomaterials
Oct 26, 2015
0
31
Perovskite solar cells are the rising star in photovoltaics. They absorb light across almost all visible wavelengths, they have exceptional power conversion efficiencies exceeding 20% in the lab, and they are relatively easy ...
Materials Science
Oct 14, 2015
0
37
A new type of "quasiparticle" theorized by Caltech's Gil Refael, a professor of theoretical physics and condensed matter theory, could help improve the efficiency of a wide range of photonic devices—technologies, such as ...
Quantum Physics
Oct 7, 2015
4
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