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Solar & Alternative Energy

Novel materials for improved photon upconversion
A new solid-state-like material contains nanocellulose capsules embedded within a matrix of nanofibers, and can operate for long periods in a dry oxygen-rich atmosphere.
Photoelectrochemical water splitting using semiconductor electrodes with rough surfaces represents a promising route to the production of alternative fuels from sunlight.
28 January 2015
A photovoltaic thermal receiver that separates incoming light energy by wavelength can produce electricity and thermal output of 150° simultaneously.
8 January 2015
Applying topological insulator concepts to excitonic materials shows how to create one-way robust exciton wires in porphyrin thin films.
6 January 2015
Characterizing the turbulent wake of wind turbines enables their optimal arrangement in a wind farm, potentially increasing power output.
24 December 2014
Oriented assembled 3D branched nanowire arrays produce electrodes with high surface area and rapid charge transport, and show effective charge collection for solar cells and energy storage devices.
17 December 2014
European photonics industry back to growth in 2014
Sector production value rose 3% to €60 billion, says Optech Consulting.
28 January 2015
Natcore makes ‘first’ back-contact solar cell with laser
Enabling all-back-contact solar cells to be made at lower cost than conventional cells.
28 January 2015
Laser inventor Charles Townes dies at 99
Nobel laureate shared 1964 prize for physics with Nicolay Basov and Aleksandr Prokhorov.
28 January 2015
Graphene enables electrical control of output from light emitters
First signatures of graphene plasmons at telecommunication wavelengths, around 1.5μm, revealed in project supported by Europe’s Graphene Flagship.
28 January 2015
Stephen Bedell: High-performance materials become flexible