These circuits are simple enough that they can be brought into standard configurations in transistors, and their behavior can be easily adjusted by applying a base/gate voltage.
This circuit provides linear response or stable switching behavior when photons are incident in the gate/drain region, creating an easy-to-use optical switch for a variety of applications. However, one very useful option is a phototransistor circuit. When we think of optical sensors, we usually think of something like a CCD, CMOS sensor, or photodiode. Tuning the exciton-plasmon coupling for new generation opto-electronic devices.Your next electro-optical system might need a photodiode circuit.
Our work demonstrates a strategy towards obtaining anĮnvironment-friendly, scalable, high-performance broadband phototransistor by Mediated strong exciton-plasmon coupling, corroborated by COMSOL Multiphysics TheĮnhanced optical properties of the hybrid device are explained via dipole Stability by preventing the degradation of WS$_2$-Ag hybrid system. The additional PVP capping of Ag NPs helps to suppress theĭirect charge and heat transfer and most importantly, increases the device Noise) and high specific detectivity ~1010 Jones in the wide (325-730 nm) Low noise equivalent power (NEP) (~10$^$, considering 1/f Than 5 times higher than the bare graphene/WS$_2$ hybrid device, along with a The fabricated device exhibitsĮxtremely high photoresponsivity (up to $3.2\times 10^4$ A/W) which is more In a three-terminal device configuration. Hybrid phototransistor based on monolayer graphene decorated by WS$_2$-Ag NPs
Lithography-free fabrication of a large area broadband superior gate-tunable By synthesizing Ag nanoparticles (Ag NPs) capped withĪ thin layer of polyvinylpyrrolidone (PVP) through chemical route, we report a Spontaneous emission in a coupled TMDC and metallic nanostructures, theįabrication of tunable broadband phototransistor with high quantum yield is Strong exciton-plasmon coupling has been demonstrated to improve absorbance and While light-matter interaction mediated by However, the low light absorption due to their small absorption cross section, Has emerged as a viable route towards realizing novel optoelectronic devices. Download a PDF of the paper titled Exciton-Plasmon Coupling Mediated Superior Photoresponse in 2D Hybrid Phototransistors, by Shubhrasish Mukherjee and 2 other authors Download PDF Abstract: The possibility of creating heterostructure of two-dimensional (2D) materials
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