Controllable organic magnetoresistance in polyaniline coated poly(p-phenylene-2,6-benzobisoxazole) short fibers

Hongbo Gu; Xiaojiang Xu; Jingyi Cai; Suying Wei; Huige Wei; Hu Liu; David P. Young; Qian Shao; Shide Wu; Tao Ding; Zhanhu Guo

doi:10.1039/C9CC04789A

Controllable organic magnetoresistance in polyaniline coated poly(p-phenylene-2,6-benzobisoxazole) short fibers†

Hongbo Gu,

*^a Xiaojiang Xu,^a Jingyi Cai,^a Suying Wei,

^b Huige Wei,^bc Hu Liu,

^de David P. Young,^f Qian Shao,^g Shide Wu,^h Tao Dingⁱ and Zhanhu Guo

^d

Author affiliations

* Corresponding authors

^a Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai 200092, People's Republic of China
E-mail: hongbogu2014@tongji.edu.cn

^b Department of Chemistry & Biochemistry, Lamar University, Beaumont, TX, USA

^c College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China

^d Integrated Composites Lab (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, TN, USA

^e Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, China

^f Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA

^g College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao, Shandong 266590, China

^h Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry, No. 136, Science Avenue, Zhengzhou, China

ⁱ College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China

Abstract

Herein, we first report a tunable organic magnetoresistance (OMAR) effect in polyaniline (PANI) coated acid treated poly(p-phenylene-2,6-benzobisoxazole) (t-PBO) short fibers. This unique OMAR is interpreted using the paramagnetic nature of PBO molecules combined with the localization length a₀ calculated from the wave-function shrinkage model and forward interference model.

Chemical Communications

Controllable organic magnetoresistance in polyaniline coated poly(p-phenylene-2,6-benzobisoxazole) short fibers†

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Controllable organic magnetoresistance in polyaniline coated poly(p-phenylene-2,6-benzobisoxazole) short fibers

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