Journal
APPLIED PHYSICS LETTERS
Volume 93, Issue 15, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3003881
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Funding
- National Natural Science Foundation of China [50318001, 50773067, 50520150165]
- Ministry of Education of China [IRT0651]
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Solution processed inorganic/organic hybrid films of ZnO nanoparticles and poly(9,9-dihexylfluorene) (PFH) are sandwiched between two electrodes to form bulk heterojunction in this letter. The devices obtained show high ultraviolet photo-to-dark current ratio of about three orders of magnitude for -1 V bias with a relatively fast response speed of less than 200 ms after aging in air for enough time. The spectral response covers 300-420 nm, with its peak locating around 335 nm. Those results indicate that the ZnO/PFH hybrid devices might be used as low-cost UV optical switches or photodetectors. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.3003881]
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