نتایج جستجو برای: phototransistor
تعداد نتایج: 205 فیلتر نتایج به سال:
Resonant cavity enhanced heterojunction phototransistor based on InAs/GaSb/AlSb type-II superlattice grown by molecular beam epitaxy has been demonstrated. The resonant wavelength was designed to be at near 1.9 μm range room temperature. An eleven-pair lattice matched GaSb-AlAsSb quarter-wavelength Bragg reflector used in the RCE-HPT enhance photoresponse. device showed selectivity and a enhanc...
Organic lead halide perovskites have received a huge amount of interest since emergence, because of tremendous potential applications in optoelectronic devices. Here field effect phototransistors (FEpTs) based on CH3NH3PbI3 perovskite/PbSe colloidal quantum dot heterostructure are demonstrated. The high light absorption and optoelectric conversion efficiency, due to the combination of perovskit...
We have studied the influence of misfit dislocations on hole accumulation in the base layer of an n-AlGaAs/p-GaAs/n-InGaAs heterojunction phototransistor ~HPT!. Spatially and temporally resolved cathodoluminescence ~CL! measurements reveal that variations in the hole accumulation is caused primarily by strain-induced defects which impede the transport of holes in the collector. The lifetime of ...
Crowdsourcing systems like Amazon's Mechanical Turk (AMT) allow data to be collected from a large sample of people in a short amount of time. This use has garnered considerable interest from behavioral scientists. So far, most experiments conducted on AMT have focused on survey-type instruments because of difficulties inherent in running many experimental paradigms over the Internet. This study...
Organic phototransistors (OPTs) as optical chemical sensors have progressed excitingly in recent years, mainly due to the development of new materials, device structures, and interfacial engineering. Exploiting maximum potential low-cost high-throughput fabrication organic electronics optoelectronics requires devices that can be manufactured a fully printed way also low operation voltage. In th...
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