Absorption spectroscopy is an analytical chemistry tool that can determine if a particular substance is present in a sample by measuring the intensity of the light absorbed as a function of wavelength ...

(Phys.org) —A team of physicists from Russia's Institute of Applied Physics, Russian Academy of Sciences, has built an exceptionally sensitive spectrometer that they claim, is the first to measure ...

Engineers have achieved a power conversion efficiency of 23.50% in a perovskite-silicon tandem solar cell built with a special textured anti-reflective coating (ARC) polymeric film. A research team, ...

Virtual Light Absorption Process (IMAGE) Moscow Institute of Physics and Technology Caption This is a schematic of a virtual light absorption process: A layer of a transparent material is exposed to ...

Surrey NanoSystems of Newhaven, England, has developed what it calls the “world's blackest material.” Formulated primarily as a coating for optical instruments in space, the material, which derives ...

Copper cobaltate nanoneedles coated with zinc oxide hit 99.5 percent light absorption, surpassing carbon nanotubes and boosting concentrated solar power efficiency. That will pave the way towards ...