Optoelectronic Devices
Optoelectronic Devices - Related Videos
04:35
Implantation of Optoelectronic Devices in the Rodent Spinal Cord
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Cited by 2 •
2024
This protocol details a surgical procedure for performing spinal cord surgery and for implanting and securing an optical shank over the spinal cord in rodents.
08:29
A 3D-printed Chamber for Organic Optoelectronic Device Degradation Testing
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Cited by 1 •
2018
Here, we present a protocol for the design, manufacture, and use of a simple, versatile 3D-printed and controlled atmospheric chamber for the optical and electrical characterization of air-sensitive organic optoelectronic devices.
08:33
Bidirectional Electrical and Optoelectronic Interfaces in Healthy and Ischemic Ex Vivo Rat Hearts
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2025
This protocol outlines advanced material fabrication and ex vivo rat heart methods for optical and electrical bidirectional biointerfacing, enabling precise cardiac stimulation, recording, and infarction modeling for bioelectronics research.
08:29
Thermal Measurement Techniques in Analytical Microfluidic Devices
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Cited by 6 •
2015
Here, we present three protocols for thermal measurements in microfluidic devices.
11:06
Fabrication of Fully Solution Processed Inorganic Nanocrystal Photovoltaic Devices
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Cited by 4 •
2016
This protocol describes the synthesis and solution deposition of inorganic nanocrystals layer by layer to produce thin film electronics on non-conductive surfaces. Solvent-stabilized inks can produce complete photovoltaic devices on glass substrates via spin and spray coating following post-deposition ligand exchange and sintering.
FAQs
When an electron recombines with a hole in a semiconductor, the interaction can release energy as a photon. This process provides the physical basis for electrically driven light emission in components such as light-emitting diodes and laser diodes. The emitted light represents a conversion of electrical behavior into an optical signal, linking charge-carrier physics with displays and communication systems.
Photon absorption can generate mobile charge carriers within a semiconductor. Their movement produces an electrical current, allowing incoming light to be detected or measured. This mechanism supports photodetectors, imaging sensors, and photovoltaic cells, although these applications use the resulting electrical response for different purposes: sensing light, forming images, or contributing to energy conversion.
Light-emitting devices begin with electrical signals and use electron-hole recombination to produce photons. Light-detecting devices begin with incoming photons and use absorption to generate mobile carriers and current. This opposite direction of signal conversion distinguishes sources such as light-emitting and laser diodes from receivers such as photodetectors and imaging sensors.
A useful first step is to identify whether the device receives an electrical signal, light, or both, and then determine whether its output is light, electrical current, or controlled interaction between them. Electrical input with optical output indicates an emitting function, while optical input with electrical output indicates detection or energy-conversion behavior.
Their applications span high-speed data transfer, sensing, displays, and energy conversion. Optical communication systems use the relationship between electrical signals and light to support data transfer, while imaging sensors translate light into information. Displays rely on light emission, and photovoltaic cells apply photon-generated electrical behavior to energy conversion.
These devices connect semiconductor physics with practical photonic technologies by showing how charge carriers and photons can exchange information. Studying them helps researchers relate electron-hole recombination and photon absorption to engineered systems for communication, sensing, imaging, displays, and energy conversion. They also provide a foundation for understanding emerging technologies that control interactions between electrical and optical signals.