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New Material Capable Of Being Made Into Transparent Ultraviolet Solar Cell

Shenzhen Sinoli Electronic Co.,Ltd | Updated: Jan 20, 2017

University of Tokyo, announced in August 31, 2016, successfully synthesized a new material, can be made suitable for windows, such as transparent and UV resistant solar cells.          

The possibility of the synthesis of metal oxide heterostructures that can be synthesized as needed to achieve the desired optical function is found, the report said. This is the University of Tokyo (Characteristic Research Institute associate professor Matsuda Iwa), Japan's high-energy accelerator Research Organization (group head and Tokyo Institutet of Technology Professor Hiroshi) (Ozawa Kenichi assistant) results of three people.          

As a new generation of electronic components, metal oxides have attracted much attention. It is known that the surface of strontium titanate (SrTiO3) has a unique electronic property. But so far there has been no report on the surface optical response. The clear can be arbitrary control of optical response.          

Based on the crystal growth technique of the atomic level of the laser, the thin film of SrTiO3 (strontium) (SrRuO3) layer is formed on the crystal substrate of a few atoms, and the heterogeneous structure is formed.          

And it is known that the SrRuO3 film thickness can be controlled arbitrarily by the optical response.          

High brightness soft X ray beam using synchrotron radiation facilities "Hyogo SPring-8, measuring photoelectron spectroscopy (on metal and semiconductor light, according to the experimental method of electronic structure of solid surface electron energy release that found by SrRuO3), the film thickness is different, the electronic state of SrRuO3 film by semiconductor into then, the metal, electron density of SrTiO3 substrate will be changed from high to low.          

Specifically, the thickness change of SrRuO3, the electronic structure of heterogeneous interface will change, the corresponding optical response will increase 200 times, and photovoltaic size and ease life will be sensitive to changes.          

According to the obtained results, the numerical simulation is carried out, and the amount and the power of the optical carrier needed for the optical reaction are mastered. Thus, the quantitative description of photovoltaic can oxide heterostructures and control principle.          

SrTiO3 is a semiconductor material that can absorb ultraviolet light through visible light, and the thickness of the SrRuO3 layer is only atomic level. By these characteristics, is expected to become a transparent and UV resistant solar cell materials. before new material becomes true, tradition lithium battery technique are still taking the market for solar energy storage, it's hard to replace overall at once, pay more attention with these batteries, when new material technique become mature and applicable for production, they will be updated as soon as possible: