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Guangyu Chai
Researcher at University of Central Florida
Publications - 37
Citations - 3293
Guangyu Chai is an academic researcher from University of Central Florida. The author has contributed to research in topics: Focused ion beam & Nanorod. The author has an hindex of 25, co-authored 36 publications receiving 3054 citations.
Papers
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Journal ArticleDOI
Selective hydrogen gas nanosensor using individual ZnO nanowire with fast response at room temperature
Oleg Lupan,Oleg Lupan,Veaceslav Ursaki,Guangyu Chai,Lee Chow,Gennadi A. Emelchenko,Ion Tiginyanu,A. N. Gruzintsev,A. N. Redkin +8 more
TL;DR: In this article, a single ZnO nanowire-based nanoscale sensor fabricated using focused ion beam (FIB/SEM) instrument was used to determine the deep levels related to defects and evaluate the effect of thermal treatment in H2 atmosphere on the emission from ZnOs.
Journal ArticleDOI
Novel hydrogen gas sensor based on single ZnO nanorod
Oleg Lupan,Guangyu Chai,Lee Chow +2 more
TL;DR: In this paper, a cost-effective and fast synthesis route for ZnO one-dimensional nanorod using an aqueous-based approach in a reactor was reported.
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Synthesis and characterization of Cu-doped ZnO one-dimensional structures for miniaturized sensor applications with faster response
Lee Chow,Lee Chow,Oleg Lupan,Oleg Lupan,Guangyu Chai,Hani Khallaf,Luis K. Ono,B. Roldan Cuenya,Ion Tiginyanu,Ion Tiginyanu,Veaceslav Ursaki,Veaceslav Ursaki,V. Sontea,Alfons Schulte +13 more
TL;DR: In this article, the authors reported the hydrothermal synthesis at 95°C of Cu-doped ZnO low-dimensional rods for room-temperature (RT) sensing applications and enhanced sensor performances.
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Synthesis and characterization of ZnO nanowires for nanosensor applications
Oleg Lupan,Oleg Lupan,Gennadi A. Emelchenko,Veaceslav Ursaki,Veaceslav Ursaki,Guangyu Chai,A. N. Redkin,A. N. Gruzintsev,Ion Tiginyanu,Ion Tiginyanu,Lee Chow,Luis K. Ono,B. Roldan Cuenya,Helge Heinrich,E. E. Yakimov +14 more
TL;DR: In this article, the synthesis of ZnO nanowires via chemical vapor deposition (CVD) at 650°C was reported, and the results showed that these nanowire are suitable for sensing applications.
Journal ArticleDOI
A single ZnO tetrapod-based sensor
TL;DR: In this article, an individual ZnO tetrapod-based sensor was fabricated by in situ lift-out technique and its ultraviolet (UV) and gas sensing properties were investigated.