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Microcrystalline Organic Thin‐Film Solar Cells
Author(s) -
Verreet Bregt,
Heremans Paul,
Stesmans Andre,
Rand Barry P.
Publication year - 2013
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201301643
Subject(s) - microcrystalline , materials science , indium tin oxide , organic solar cell , thin film , amorphous solid , substrate (aquarium) , nanotechnology , optoelectronics , polymer , crystallography , composite material , chemistry , oceanography , geology
Microcrystalline organic films with tunable thickness are produced directly on an indium‐tin‐oxide substrate, by crystallizing a thin amorphous rubrene film followed by its use as a template for subsequent homoepitaxial growth. These films, with exciton diffusion lengths exceeding 200 nm, produce solar cells with increasing photocurrents at thicknesses up to 400 nm with a fill factor >65%, demonstrating significant potential for microcrystalline organic electronic devices.