Magnetoconductance responses of triplet polaron pair charge reaction in hyperfine coupling regime

Wei Shun Huang, Zhe Rui Xu, Bin Hu, Tzung Fang Guo, J. C.A. Huang, Ten Chin Wen

研究成果: Article同行評審

7 引文 斯高帕斯(Scopus)

摘要

This study investigates a distinct low-field negative magnetoconductance (MC) response under illumination in pentacene:fullerene heterojunction devices. The low-field negative MC response is attributed to a triplet polaron pair ((PP)3) charge reaction associated with the hyperfine interaction. Applying a magnetic field can reduce the intensity of the reaction causing the negative MC response. Additionally, the low-field negative MC response changes with the blending ratios of fullerene in pentacene active layer, the applied bias voltages, and applying device structure with bulk heterojunction or planar heterojunction configuration, because the modulations of the internal electric field. Consequently, the results indicate that the (PP)3 charge reaction induces the low-field negative MC, which is correlated with the local hyperfine field, external magnetic field, and electric field.

原文English
文章編號253304
期刊Applied Physics Letters
103
發行號25
DOIs
出版狀態Published - 2013 十二月 16

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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