| Home > Publications database > Shell-binary nanoparticle materials with variable electrical and electro-mechanical properties > print |
| 001 | 842606 | ||
| 005 | 20240619091235.0 | ||
| 024 | 7 | _ | |a 10.1039/C7NR07912E |2 doi |
| 024 | 7 | _ | |a 2040-3364 |2 ISSN |
| 024 | 7 | _ | |a 2040-3372 |2 ISSN |
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| 037 | _ | _ | |a FZJ-2018-00819 |
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| 100 | 1 | _ | |a Zhang, P. |0 0000-0001-8749-5250 |b 0 |
| 245 | _ | _ | |a Shell-binary nanoparticle materials with variable electrical and electro-mechanical properties |
| 260 | _ | _ | |a Cambridge |c 2018 |b RSC Publ. |
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| 520 | _ | _ | |a Nanoparticle (NP) materials with the capability to adjust their electrical and electro-mechanical properties facilitate applications in strain sensing technology. Traditional NP materials based on single component NPs lack a systematic and effective means of tuning their electrical and electro-mechanical properties. Here, we report on a new type of shell-binary NP material fabricated by self-assembly with either homogeneous or heterogeneous arrangements of NPs. Variable electrical and electro-mechanical properties were obtained for both materials. We show that the electrical and electro-mechanical properties of these shell-binary NP materials are highly tunable and strongly affected by the NP species as well as their corresponding volume fraction ratio. The conductivity and the gauge factor of these shell-binary NP materials can be altered by about five and two orders of magnitude, respectively. These shell-binary NP materials with different arrangements of NPs also demonstrate different volume fraction dependent electro-mechanical properties. The shell-binary NP materials with a heterogeneous arrangement of NPs exhibit a peaking of the sensitivity at medium mixing ratios, which arises from the aggregation induced local strain enhancement. Studies on the electron transport regimes and micro-morphologies of these shell-binary NP materials revealed the different mechanisms accounting for the variable electrical and electro-mechanical properties. A model based on effective medium theory is used to describe the electrical and electro-mechanical properties of such shell-binary nanomaterials and shows an excellent match with experiment data. These shell-binary NP materials possess great potential applications in high-performance strain sensing technology due to their variable electrical and electro-mechanical properties. |
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| 700 | 1 | _ | |a Bousack, Herbert |0 P:(DE-Juel1)128663 |b 1 |
| 700 | 1 | _ | |a Dai, Y. |0 P:(DE-Juel1)161308 |b 2 |
| 700 | 1 | _ | |a Offenhäusser, A. |0 P:(DE-Juel1)128713 |b 3 |
| 700 | 1 | _ | |a Mayer, D. |0 P:(DE-Juel1)128707 |b 4 |e Corresponding author |
| 773 | _ | _ | |a 10.1039/C7NR07912E |g Vol. 10, no. 3, p. 992 - 1003 |0 PERI:(DE-600)2515664-0 |n 3 |p 992 - 1003 |t Nanoscale |v 10 |y 2018 |x 2040-3372 |
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