Wrapping carbon nanotubes in polymers enhances their performanceMon, 30 Mar 2015 14:11:25 EDT
Scientists say polymer-wrapped carbon nanotubes hold much promise in biotechnology and energy applications. New kind of 'tandem' solar cell: Two types of photovoltaic material combined to make a cell that harnesses more sunlightTue, 24 Mar 2015 12:08:24 EDT
Researchers have developed a new kind of solar cell that combines two different layers of sunlight-absorbing material in order to harvest a broader range of the sun's energy. The development could lead to photovoltaic cells that are more efficient than those currently used in solar-power installations, the researchers say. The new cell uses a layer of silicon -- which forms the basis for most of today's solar panels -- but adds a semi-transparent layer of a material called perovskite, which can absorb higher-energy particles of light. Unlike an earlier "tandem" solar cell reported by members of the same team earlier this year -- in which the two layers were physically stacked, but each had its own separate electrical connections -- the new version has both layers connected together as a single device that needs only one control circuit. Discovery could yield more efficient portable electronics, solar cellsMon, 23 Mar 2015 16:21:57 EDT
A team of chemists has set the stage for more efficient and sturdier portable electronic devices and possibly a new generation of solar cells based on organic materials. Airships: The future of aviation?Mon, 23 Mar 2015 07:57:47 EDT
Researchers have completed a three year investigation into stratospheric passenger airships as part of a multi-national engineering project designed to provide a future sustainable air transport network. Towards 'printed' organic solar cells and LEDsWed, 18 Mar 2015 10:08:20 EDT
Flexible optoelectronic devices that can be produced roll-to-roll -- much like newspapers are printed -- are a highly promising path to cheaper devices such as solar cells and LED lighting panels. Scientists have now created prototype flexible solar cell modules as well as novel silver-based transparent electrodes that outperform currently used materials.