Enhanced dielectric properties of nanocomposites with cyanoethyl cellulose and core-shell structured BaTiO3@Al2O3 fillers
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作者:
Yang, Yuchen
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Nanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211800, Jiangsu, Peoples R China
Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Nanjing, Peoples R China
Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, Nanjing, Peoples R ChinaNanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211800, Jiangsu, Peoples R China
Yang, Yuchen
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Cheng, Sen
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机构:
Nanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211800, Jiangsu, Peoples R China
Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Nanjing, Peoples R China
Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, Nanjing, Peoples R ChinaNanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211800, Jiangsu, Peoples R China
Cheng, Sen
[1
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Ye, Zi
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机构:
Nanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211800, Jiangsu, Peoples R China
Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Nanjing, Peoples R China
Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, Nanjing, Peoples R ChinaNanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211800, Jiangsu, Peoples R China
Ye, Zi
[1
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Lu, Chunhua
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机构:
Nanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211800, Jiangsu, Peoples R China
Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Nanjing, Peoples R China
Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, Nanjing, Peoples R ChinaNanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211800, Jiangsu, Peoples R China
Lu, Chunhua
[1
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Guo, Kai
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机构:
Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Nanjing, Peoples R China
Nanjing Tech Univ, Coll Biotechnol & Pharmaceut Engn, Nanjing, Peoples R ChinaNanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211800, Jiangsu, Peoples R China
Guo, Kai
[2
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Zhu, Ning
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机构:
Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Nanjing, Peoples R China
Nanjing Tech Univ, Coll Biotechnol & Pharmaceut Engn, Nanjing, Peoples R ChinaNanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211800, Jiangsu, Peoples R China
Zhu, Ning
[2
,4
]
Hu, Xin
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机构:
Nanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211800, Jiangsu, Peoples R China
Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Nanjing, Peoples R China
Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, Nanjing, Peoples R ChinaNanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211800, Jiangsu, Peoples R China
Hu, Xin
[1
,2
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机构:
[1] Nanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211800, Jiangsu, Peoples R China
[2] Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Nanjing, Peoples R China
[3] Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, Nanjing, Peoples R China
[4] Nanjing Tech Univ, Coll Biotechnol & Pharmaceut Engn, Nanjing, Peoples R China
The interface between the polymer matrix and inorganic fillers plays a determinative role in dielectric properties of the composites. In this work, dielectric composites containing core-shell structured BaTiO3@Al2O3 (BT@AO) nanoparticles and cyano functionalized cellulose (cyanoethyl cellulose, CEC) were prepared to achieve enhanced interface and dielectric properties. With the wide bandgap Al2O3 (AO) shell, the carrier motion inspired by elevating electric filed and temperature was significantly impeded in the composites. Meanwhile, the moderate dielectric constant and surface energy of AO shell between CEC and BaTiO3 (BT) alleviated the inhomogeneous local electric field distribution and improve the interfacial compatibility between inorganic filler and CEC matrix. As a result, enhanced dielectric properties including restrained dielectric loss (0.23 for BT@AO/CEC versus 0.51 for BT/CEC at 100 Hz), suppressed conductivity, increased breakdown strength and improved dielectric constant were accessed in the BT@AO/CEC composites. The excellent thermal conductivity of AO also offered the composites with additional advantage of low electrical conductivity at high temperature of 100 degrees C (1.56 x 10(-10) S/cm) exhibiting two orders of magnitude smaller than that of pure CEC.
机构:
Tongji Univ, Sch Mat Sci & Engn, Funct Mat Res Lab, 4800 Caoan Rd, Shanghai 201804, Peoples R ChinaTongji Univ, Sch Mat Sci & Engn, Funct Mat Res Lab, 4800 Caoan Rd, Shanghai 201804, Peoples R China
Yao, Manwen
You, Siyuan
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机构:
Tongji Univ, Sch Mat Sci & Engn, Funct Mat Res Lab, 4800 Caoan Rd, Shanghai 201804, Peoples R ChinaTongji Univ, Sch Mat Sci & Engn, Funct Mat Res Lab, 4800 Caoan Rd, Shanghai 201804, Peoples R China
You, Siyuan
Peng, Yong
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机构:
Tongji Univ, Sch Mat Sci & Engn, Funct Mat Res Lab, 4800 Caoan Rd, Shanghai 201804, Peoples R ChinaTongji Univ, Sch Mat Sci & Engn, Funct Mat Res Lab, 4800 Caoan Rd, Shanghai 201804, Peoples R China
机构:
Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R ChinaBeihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
He, Dalong
Wang, Yao
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Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R ChinaBeihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
Wang, Yao
Chen, Xueqin
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机构:
Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R ChinaBeihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
Chen, Xueqin
Deng, Yuan
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机构:
Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
Beihang Univ, Beijing Key Lab Adv Funct Mat & Thin Film Technol, Beijing 100191, Peoples R ChinaBeihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
机构:
Southwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R ChinaSouthwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R China
Zhang, Quan-Ping
Zhu, Wen-Fan
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Southwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R ChinaSouthwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R China
Zhu, Wen-Fan
Liang, Dong-Ming
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Southwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R ChinaSouthwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R China
Liang, Dong-Ming
Wu, Xiao-Li
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Southwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R ChinaSouthwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R China
Wu, Xiao-Li
Chen, Rui-Chao
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Southwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R ChinaSouthwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R China
Chen, Rui-Chao
Sun, Nan
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机构:
China Acad Engn Phys, Inst Mat, Jiangyou 621908, Peoples R ChinaSouthwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R China
Sun, Nan
Li, Yin-Tao
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Southwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R ChinaSouthwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R China
Li, Yin-Tao
Zhou, Yuan-Lin
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Southwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R ChinaSouthwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R China