Reliability Test of Pd Nanogap-Based Hydrogen Sensors
نویسندگان
چکیده
منابع مشابه
Design rules for nanogap-based hydrogen gas sensors.
Nanoscale gaps, which enable many research applications in fields such as chemical sensors, single-electron transistors, and molecular switching devices, have been extensively investigated over the past decade and have witnessed the evolution of related technologies. Importantly, nanoscale gaps employed in hydrogen-gas (H(2)) sensors have been used to reversibly detect H(2) in an On-Off manner,...
متن کاملHydrogen sensors based on electrophoretically deposited Pd nanoparticles onto InP
Electrophoretic deposition of palladium nanoparticles prepared by the reverse micelle technique onto InP substrates is addressed. We demonstrate that the substrate pre-deposition treatment and the deposition conditions can extensively influence the morphology of the deposited palladium nanoparticle films. Schottky diodes based on these films show notably high values of the barrier height and of...
متن کاملHigh-performance room-temperature hydrogen sensors based on combined effects of Pd decoration and Schottky barriers.
A new hydrogen sensor was fabricated by coating a Pd-decorated In2O3 film on Au electrodes. In response to 1 vol% H2 at room temperature, an ultra high sensitivity of 4.6 × 10(7) was achieved. But after an annealing treatment in vacuum, its sensitivity degenerated by 4 orders of magnitude. In addition, the response time and recovery time were also extended from 28 s and 32 s to 242 s and 108 s,...
متن کاملModeling of hydrogen atom diffusion and response behavior of hydrogen sensors in Pd–Y alloy nanofilm
To detect hydrogen gas leakage rapidly, many types of hydrogen sensors containing palladium alloy film have been proposed and fabricated to date. However, the mechanisms and factors that determine the response rate of such hydrogen sensor have not been established theoretically. The manners in which response time is forecasted and sensitive film is designed are key issues in developing hydrogen...
متن کاملHigh Temperature Hydrogen Sensors Based On Pd/Ta2O5/SiC MOS Capacitor
There are a many of needs for the development of SiC-based hydrogen sensor for harsh environment applications. We fabricated and investigated Pd/Ta2O5/SiC-based hydrogen sensors with MOS capacitor structure for high temperature process monitoring and leak detection applications in such automotive, chemical and petroleum industries as well as direct monitoring of combustion processes. In this wo...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: JOURNAL OF SENSOR SCIENCE AND TECHNOLOGY
سال: 2020
ISSN: 1225-5475,2093-7563
DOI: 10.46670/jsst.2020.29.6.399