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The magnetoconductance (MC) effects in three organic light-emitting diodes have been measured over a range of operating current and temperatures. The peculiar roles played by the hyperfine field and triplet excitons are outlined by fitting the MC traces using the sum of two non-Lorentzian functions. The MC response evident at large magnetic fields is confirmed to be resulted from the triplet exciton–charge...
The organic magnetoconductance (MC) effects in poly(3-hexylthiophene): [6,6]-phenyl-C61-butyricacid methylester based bulk heterojunction solar cells were studied in dark and under illumination. The correlations between the MC and current character were revealed in this study. Results show that the dark current always exhibits a negative MC whereas a sign change in MC under illumination occurs at...
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