New researches predict the use of black metals in PV industry

There is a possibility that black metals will be a part of PV

Black metal is said to be a part of PV industry

The development of more efficient solar cells helped researchers at Lawrence Livermore National Laboratory (LLNL) from U.S.A make an important discovery: black metals in PV production. 

The work with nanostructurated metals which are made to have low reflectivity and high absorption of visible and infrared light paid off for The LLNL Materials Engineering Division research team.

Working with nanostructurated metals involved the work with non-classic black metals which are considered to be a kind of extension of the black silicon concept. This means that when silicon is treated in a special way, fro example when it is being roughened at the nanoscale level, it gathers light by multiple reflections and helps to increase the absorption. This is a result of the silicon’s black surface that is capable of better trapping full sun’s wavelength spectrum.

The experiment team led by LLNL engineer Tiziana Bond helped with the discovery of the way that an absorption can trap a bigger quantity of solar wavelengths by improving and controlling the efficiency of the absorption and transform the metals in black metals. This kind of technology may be used in PV development. Moreover, similar black metals are developed by all kinds of nanostructuring between silver and gold but without the certainty of a full solar absorption.

“Our article was picked for the cover story of Applied Physics Letters because it represents cutting-edge work in the area of plasmonics, the broadband operation obtained with a clear design and its implication for the photovoltaic yield,” as Bond announced.

Roxana Moraru

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Posted by on Aug 5 2013. Filed under _featured slider, Market News, Solar PhotoVoltaics, Uncategorized, USA. You can follow any responses to this entry through the RSS 2.0. You can leave a response or trackback to this entry

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