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Solar ♦ news digest


batch cassette loading tool allowing many devices to be produced for several applications and various customers in one load. The Ionfab300 Plus will be used for laser bar facet coating with anti-reflective and high-reflection multilayers, and the PlasmaPro System100 RIE system will be used for GaAs and InP compound etching.


David Pearson, OIPT’s Senior Ion Beam Technologist, comments, “Our Ionfab optical coating tools are becoming the tools of choice for many types of precision optical coatings worldwide, in particular in laser applications.”


“Nanoplus is an internationally leading supplier of single mode DFB lasers for sensing, metrology, spectroscopy and telecom applications. We even have one of our sensors on NASA’s Mars Curiosity Rover’, say sAlfred Forchel, founder of Nanoplus, “We chose Oxford Instruments systems for their versatility, superior process capabilities and excellent customer support.”


Frazer Anderson, Business Group Director at Oxford Instruments concludes, “Our tools offer the ideal platform for production as well as research & development in many new application areas, and Laser Bar facet coating is just one of these. Our excellent process applications team and global service support ensure that our customers are supported in every respect and can count on their Oxford Instruments systems for maximum uptime and reliability.”


photovoltaic solar energy, material, and nano technology. He participated in accomplishing the EU’s strategic research for photovoltaic technology in 2007.


So which way forward for China’s PV industry?


A number of favourable policies for solar industry development have been implemented. These include the Guidelines from the State Council on Encouraging Healthy Solar Industry Developments and Guidelines from the State Council on Financial Services Supporting Distributed Solar Generation. Thanks to this, the trend of distributed solar power generation has become the mainstream development direction.


Thin-film solar batteries are arguably the most ideal solar battery technology applied in distributed generation. In virtue of its distinct advantages of being thin-film and flexible, thin-film technology will inevitably become the mainstream solar technology in the future and is expected to witness large-scale application in the Chinese market.


CIGS Thin-Film Solar Technology Features Distinct Advantages


PV solar industry mainly comprises two major solar battery technology routes: one is crystalline silicon technology, including monocrystalline silicon and polycrystalline silicon solar battery. The other is another is thin film technology, the most potential of which is Copper Indium Gallium Selenide (CIGS) thin film solar technology.


Solar


CIGS technology distributed generation goes mainstream


Jie Chen is currently is the director of the solar energy centre in the National Institute of Clean and-low-carbon Energy (NICE), Beijing.


He successfully established a nano electronic devices laboratory in 2005 at the Helmholtz-Zentrum Berlin fur Materialien und Energie (formerly HMI), Germany and was the director of the laboratory from then on.


Under Chen’s leadership, his team made the first vertical nanowire field effect transistor in flexible polymer foils and the invention has been use in new generation flexible OLED displays. A lot of innovation techniques invented by his team have been used in the industrial process of fabricating CIGS solar cells.


Chen’s academic and engineering activities cover


Thin film solar batteries have five prominent advantages compared to crystalline silicon batteries as described below.


Low industry chain energy consumption


A wider choices of materials for making thin film and diversified manufacturing technology Thin film batteries have a higher generating capacity


Thin film batteries are lighter and flexible which could be more widely used and suitable to fit onto the rooftops and building integrated photovoltaics


CIGS batteries in thin-film solar technology currently has the highest conversion efficiency, reaching nearly 20 percent in the lab


According to the conversion efficiency data of the products of the world’s renowned solar power companies in May 2013, the best product of MiaSolé, A CIGS thin film battery manufacturer, has reached conversion efficiency of 15.7 percent, the highest in the market.


October 2013 www.compoundsemiconductor.net 99


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