Zhitenev, N.
, Hamadani, B.
and Haney, P.
(2013),
Imaging of nanoscale photogenerated charge transport in organic photovoltaic materials, World Scientific Publishing Company, Hackensack, NJ, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=911136
(Accessed December 21, 2024)
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Imaging of nanoscale photogenerated charge transport in organic photovoltaic materials
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Abstract
Photogenerated charge transport in bulk heterojunction (BHJ) solar cells is strongly dependent on the active layer nanomorphology. Local probes have been extensively employed to understand the correlation between 2D and 3D morphology and device efficiency, with varying degree of success. Here, we address some outstanding metrological challenges using a set of complementary measurement approaches and theoretical modeling. Specifically, we study nanoscale morphological and functional properties of BHJ using (1) nanopatterned metal contacts (2) direct electrical probes using tips with different work functions, which collect either electrons or holes at the top surface in different device stacks (3) wedge-shaped devices to investigate vertical material phase segregation.Citation
Scanning Probe Microscopy for Energy Research
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World Scientific Publishing Company, Hackensack, NJ
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Books
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Created May 27, 2013, Updated February 19, 2017