Hongyuan Zhao

Hongyuan Zhao
Tianjin University of Science and Technology | TUST · Precision Instruments

PhD

About

8
Publications
1,417
Reads
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274
Citations
Citations since 2016
6 Research Items
232 Citations
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2016201720182019202020212022010203040
2016201720182019202020212022010203040
2016201720182019202020212022010203040

Publications

Publications (8)
Article
Full-text available
When the edge which is under the multi-film is more steep or angular, the stress in the multilayer film near the edge is concentrated, this situation will greatly reduce the reliability of electronic components. And sometimes, we need some special structure such as a slope with a specific angle in the MEMS, so that the metal line can take the signa...
Article
In this work, we presented a thin-film piezoelectric acoustic gas sensor with enhanced sensitivity by a surface modification strategy of oxygen plasma treated graphene oxide (GO) functionalization. By exposing to ammonia vapor (NH3) of various concentrations at controlled temperature and humidity, the characteristics of the GO-coated acoustic senso...
Article
The advancement in micro/nanotechnologies has been continuously providing possibilities for inventing novel biochemical sensors. However, variations in the transducer type can cause different sensing results due to the differences in their mechanisms of analyzing biomolecular interactions. In this work, we focused on the comparative analysis of sta...
Article
Full-text available
We demonstrate a dual-mode gas sensor for simultaneous and independent acquisition of electrical and mechanical signals from the same gas adsorption event. The device integrates a graphene field-effect transistor (FET) with a piezoelectric resonator in a seamless manner by leveraging multiple structural and functional synergies. Dual signals result...
Article
We report on the excitation of acousto-eletric (AE) charge transport in monolayer graphene by acoustic transducers based on aluminum nitride thin films. The acoustic waves induced macroscopic current flow that linearly scaled with input power. The AE current exhibited unique frequency dependence due to special configuration and piezoelectric proper...
Article
Piezoelectric microelectromechanical systems (MEMS) resonant sensors, known for their excellent mass resolution, have been studied for many applications, including DNA hybridization, protein-ligand interactions, and immunosensor development. They have also been explored for detecting antigens, organic gas, toxic ions, and explosives. Most piezoelec...
Article
Piezoelectric acoustic resonant sensors enable selective and label-free detection of biological events in real time. They are featured with self-actuating and self-detecting ability, and have been extensively explored in chemical and biological sensing applications. In this paper, four types of piezoelectric acoustic sensors operating at different...

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