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dc.contributor.authorViruntachar Kruefuen_US
dc.contributor.authorEric Petersonen_US
dc.contributor.authorChanitpa Khanthaen_US
dc.contributor.authorChawarat Siriwongen_US
dc.contributor.authorSukon Phanichphanten_US
dc.contributor.authorDavid L. Carrollen_US
dc.description.abstractWe report fabrication and measurement of bulk heterojunction solar cells utilizing a poly(3-hexylthiophene) (P3HT), phenyl- C61 -butyric acid methyl ester (PCBM) composite loaded with different concentrations of niobium doped zinc oxide (Nb/ZnO) nanoparticles produced by flame spray pyrolysis. Nanoparticles with different niobium concentrations were compared, along with devices without Nb/ZnO nanoparticles and with undoped ZnO nanoparticles. It was found that niobium doping leads to a slight increase in open circuit voltage and an increase in short circuit current that scales with niobium concentration. Additional comparison was made between the nanoparticles with 3% niobium by weight to unloaded devices. These also showed a similar open circuit voltage increase and an increase in current that scales with Nb/ZnO nanoparticle concentration to 30% by volume and drops off at 33% Nb/ZnO by volume. Possible mechanisms for these improvements are discussed. © 2010 American Institute of Physics.en_US
dc.subjectPhysics and Astronomyen_US
dc.titleFlame-made niobium doped zinc oxide nanoparticles in bulk heterojunction solar cellsen_US
article.title.sourcetitleApplied Physics Lettersen_US
article.volume97en_US Forest Universityen_US Mai Universityen_US
Appears in Collections:CMUL: Journal Articles

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