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Hybrid solar cell is expected to achieve 95% conversion effi
      The University of Cambridge in the UK (University of Cambridge) Cavendish Laboratory (Cavendish Laboratory) researchers have recently developed a new hybrid solar cell, allegedly make the efficiency of 95% or higher. Organic formula British researchers is currently working on this may be laminated to the standard crystalline silicon solar batteries, expect to further realize the hard to reach nearly 100% efficiency target. High energy visible light absorption is a special organic coatings, produced by the matching of three heavy line state is composed of inorganic solar cells effectively absorb. (source: Maxim Tabachnyk, the Cavendish laboratory) of silicon solar cell current can reach the maximum conversion efficiency of 33.7% in theory; the other part of the incident light is heating up battery drain. Gates Cambridge gold medal winner Maxim Tabachnyk? Science, researcher Akshay Rao and the Cavendish Laboratory other researchers hope to develop a kind of organic thin film battery, will waste energy is converted into electric power gauge rate form. Through a mixed PV battery way Cavendish developed in the laboratory, is expected to significantly reduce the solar energy collection so great.

      "The traditional crystalline silicon solar cell basically makes the energy conversion efficiency is limited, because the absorbed energy there are a lot of high energy light source, due to overheat and wasted," Tabachnyk said, "we are so in crystalline silicon solar cell is coated with a coating on the traditional machine, hoping to decentralized input photon will high energy into two three excitons, and the electron into silicon." Through the use of ultrashort laser pulse into the organic and five stupid, the researchers used laser spectroscopy in organic / inorganic interface characterization of ultra fast process, and then follow the occurred in the 1 FS within the energy conversion, showing each high energy photons do exist two electronic results, rather than the general each photon electron. This confirms the maximum photon energy waste in the heat generated can also be used for conversion into two excitonic pairing, makes the non organic solar cell can be transformed into two electronic concept. Cavendish lab at present is also committed to the development among other solar cell application outside.

      However, Tabachnyk's team next plans are hoping to find a new organic material, in order to perfect with traditional crystalline silicon solar cell need. "Our goal is to develop a prototype of the hybrid solar cells more efficient than traditional silicon device," he said, "and then further optimized the design, in order to improve the conversion efficiency and meet the needs of the industry, such as easy to handle and more long-term etc.. At the same time, we are also committed to energy conversion of these new findings for other technical process.