Quantum efficiency of a photodiode is 60percent at a wavelength of 1.6 µm.• Find its responsivity at thiswavelength.• What is the maximum possible size ofthe bandgap for this material?

The responsivity (R) of a photodiode is the ratio of the generated photocurrent to the incident…

Answered: Quantum efficiency of a photodiode is…

Quantum efficiency of a photodiode is 60 percent at a wavelength of 1.6 μm. ● Find its responsivity at this wavelength. • What is the maximum possible size of the bandgap for this material?

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter10: Atomic Physics

Section: Chapter Questions

Problem 17P

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Concept explainers

Photoelectric

The photoelectric effect occurs when light (or similar incident radiation, including X-rays) falls on material together with a metal plate and causes it to emit electrons. The discovery of the photoelectric effect led to important new theories (and to a Nobel Prize for Albert Einstein). Photoelectric cells, or photocells, are utilized in burglar-alarm light detectors and garage-door openers (each employs a through-beam of light this is broken when something movements throughout it), and also to play soundtracks on film movies (in which a light beam shines through the soundtrack encoded at the film and is "read" with the aid of the photocells).

Question

Quantum efficiency of a photodiode is 60
percent at a wavelength of 1.6 µm.
• Find its responsivity at this
wavelength.
• What is the maximum possible size of
the bandgap for this material?

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