Enhancement of dielectric properties with the addition of bromine and dopamine modified barium titanate particles to silicone rubber

Liang Jiang; David Kennedy; Stephen Jerrams; Anthony Betts

doi:10.1557/mrc.2016.53

Enhancement of dielectric properties with the addition of bromine and dopamine modified barium titanate particles to silicone rubber

Liang Jiang, David Kennedy, Stephen Jerrams, Anthony Betts

Faculty of Sciences and Health

Research output: Contribution to journal › Article › peer-review

Abstract

Dual-coated barium titanate (BT) particles were prepared using dopamine (DP) in conjunction with bromine (Br) in order to enhance the dielectric constant of silicone rubber (SR) composites containing evenly distributed BT particles. The results showed that both DP and Br were deposited on the BT particles. The dielectric constant of the SR/BT composite was significantly increased from 3.6 to 4.7 at 1 kHz with the addition of BT modified with dopamine (DP-BT). Moreover, the dielectric constant further rose to 4.9 at 1 kHz when the DP-BT particle was grafted with bromine (Br-DP-BT).

Original language	English
Pages (from-to)	437-441
Number of pages	5
Journal	MRS Communications
Volume	6
Issue number	4
DOIs	https://doi.org/10.1557/mrc.2016.53
Publication status	Published - 1 Dec 2016

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title = "Enhancement of dielectric properties with the addition of bromine and dopamine modified barium titanate particles to silicone rubber",

abstract = "Dual-coated barium titanate (BT) particles were prepared using dopamine (DP) in conjunction with bromine (Br) in order to enhance the dielectric constant of silicone rubber (SR) composites containing evenly distributed BT particles. The results showed that both DP and Br were deposited on the BT particles. The dielectric constant of the SR/BT composite was significantly increased from 3.6 to 4.7 at 1 kHz with the addition of BT modified with dopamine (DP-BT). Moreover, the dielectric constant further rose to 4.9 at 1 kHz when the DP-BT particle was grafted with bromine (Br-DP-BT).",

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AU - Jiang, Liang

AU - Kennedy, David

AU - Jerrams, Stephen

AU - Betts, Anthony

PY - 2016/12/1

Y1 - 2016/12/1

N2 - Dual-coated barium titanate (BT) particles were prepared using dopamine (DP) in conjunction with bromine (Br) in order to enhance the dielectric constant of silicone rubber (SR) composites containing evenly distributed BT particles. The results showed that both DP and Br were deposited on the BT particles. The dielectric constant of the SR/BT composite was significantly increased from 3.6 to 4.7 at 1 kHz with the addition of BT modified with dopamine (DP-BT). Moreover, the dielectric constant further rose to 4.9 at 1 kHz when the DP-BT particle was grafted with bromine (Br-DP-BT).

AB - Dual-coated barium titanate (BT) particles were prepared using dopamine (DP) in conjunction with bromine (Br) in order to enhance the dielectric constant of silicone rubber (SR) composites containing evenly distributed BT particles. The results showed that both DP and Br were deposited on the BT particles. The dielectric constant of the SR/BT composite was significantly increased from 3.6 to 4.7 at 1 kHz with the addition of BT modified with dopamine (DP-BT). Moreover, the dielectric constant further rose to 4.9 at 1 kHz when the DP-BT particle was grafted with bromine (Br-DP-BT).

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Enhancement of dielectric properties with the addition of bromine and dopamine modified barium titanate particles to silicone rubber

Abstract

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