
Созданы диоды Шоттки на оÑнове Pd-Oxide-InP Ñтруктуры Ñ Ñ‚Ð¾Ð»Ñ‰Ð¸Ð½Ð¾Ð¹ окÑида от 0 до 1000Ã… и иÑÑледованы их ÑлектричеÑкие и фотоÑлектричеÑкие ÑвойÑтва и чувÑтвительноÑть к водороду в интервале температур 90-300K. Созданные диоды Шоттки на оÑнове Pd-Oxide-InP Ñтруктуры и Ñветодиод, излучающий на длине волны 0.9 μm, работают как оптопара Ð´Ð»Ñ ÑенÑора водорода. Ð’Ñ€ÐµÐ¼Ñ Ñ€ÐµÐ°ÐºÑ†Ð¸Ð¸ Ñтруктуры на импульÑную подачу водорода ÑоÑтавило 1-2 Ñ, а поÑтоÑÐ½Ð½Ð°Ñ Ð²Ñ€ÐµÐ¼ÐµÐ½Ð¸ Ñпада фототока 10 Ñ (в режиме тока короткого замыканиÑ). Полученные Ñтруктуры ÑпоÑобны работать при комнатной температуре и низком Ñнергопотреблении и перÑпективны Ð´Ð»Ñ Ð¸ÑÐ¿Ð¾Ð»ÑŒÐ·Ð¾Ð²Ð°Ð½Ð¸Ñ Ð² ÑенÑорах водорода.
In this work, we have demonstrated the application of the Pd-Oxide-InP Schottky diodes for manufacturing of the compact hydrogen sensors. Electrical and photoelectrical properties of the Pd-Oxide-InP Schottky diodes was investigated. The studies were conducted both with hydrogen and without hydrogen. Current-voltage characteristics (I-V) were investigated in the temperature range 90-300 K. The termo-tunnel mechanism of the current flow was determined from the analysis of the (I-V) characteristics variation with temperature as well as the Schottky barrier height. The Schottky diode and LED with the wavelength of 0.9 μm was used as an optocouple in the hydrogen sensor. Response time of the Schottky diode to the hydrogen switch-on was 1-2 sec with the recovery time constant equal to 10 sec (at short-circuit current regime).
Ð´Ð¸Ð¾Ð´Ñ Ð¨Ð¾ÑÑки, hydrogen, hydrogen sensors, Schottky diodes, ÑенÑоÑÑ Ð²Ð¾Ð´Ð¾Ñода, водоÑод
Ð´Ð¸Ð¾Ð´Ñ Ð¨Ð¾ÑÑки, hydrogen, hydrogen sensors, Schottky diodes, ÑенÑоÑÑ Ð²Ð¾Ð´Ð¾Ñода, водоÑод
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