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PI Physik Instrumente - Revolution In Photonics Align LW LB 3/24

AFM Measures Photocurrent Distribution in Solar Cells

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Lauren I. Rugani

The power conversion efficiency of organic solar cells remains below desired levels, in part because variations in processing conditions alter film morphologies. Current microscopy techniques can provide information on these structural effects; however, they can’t provide information to correlate individual nanostructures and overall device performance. David S. Ginger and a research team from the University of Washington in Seattle have employed photoconductive atomic force microscopy (AFM) to plot high-resolution photocurrent distributions in organic thin-film blends. Photoconductive...Read full article

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    Published: April 2007
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    photocurrent
    The current that flows through a photosensitive device, such as a photodiode, as the result of exposure to radiant power.
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    Basic ScienceenergyFeaturesMicroscopynanophotoconductive AFMphotocurrentphotonicssolar cells

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