Multifurcation Assembly of Charged Aerosols and Its Application to 3D Structured Gas Sensors.

Bae, Yongjun; Pikhitsa, Peter V; Cho, Hyesung; Choi, Mansoo · Adv Mater · 2017

basic_science · Level V

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Abstract

Multifurcated assemblies composed of charged nanoparticles (NPs) are fabricated by using spark discharge and manipulating the electric field. The multifurcated structure of the assembly of NPs and spontaneous interconnections between the near structures are described. The gas sensor with the tetrafurcated-NP-assembled structure demonstrates ≈200% enhanced response to 100 ppm CO at 300 °C.