![Give reason for the following:The band gap of the semiconductor used for fabrication of visible LEDs must at least be 1.8eV. Give reason for the following:The band gap of the semiconductor used for fabrication of visible LEDs must at least be 1.8eV.](https://www.vedantu.com/question-sets/037df029-5819-482c-8b98-77a113b81a371033808637476736424.png)
Give reason for the following:The band gap of the semiconductor used for fabrication of visible LEDs must at least be 1.8eV.
![a) A schematic of the LED device structure. (b) Band diagram of the... | Download Scientific Diagram a) A schematic of the LED device structure. (b) Band diagram of the... | Download Scientific Diagram](https://www.researchgate.net/publication/323296111/figure/fig1/AS:596285631504385@1519176981998/a-A-schematic-of-the-LED-device-structure-b-Band-diagram-of-the-entire-LED-structure.png)
a) A schematic of the LED device structure. (b) Band diagram of the... | Download Scientific Diagram
![3: Energy band gap of various semiconductors used to fabricate LEDs as... | Download Scientific Diagram 3: Energy band gap of various semiconductors used to fabricate LEDs as... | Download Scientific Diagram](https://www.researchgate.net/publication/290461463/figure/fig2/AS:1057373397467136@1629108871601/Energy-band-gap-of-various-semiconductors-used-to-fabricate-LEDs-as-a-function-of-the.png)
3: Energy band gap of various semiconductors used to fabricate LEDs as... | Download Scientific Diagram
![SOLVED: Suppose the LED band gap shown below is 2.7 eV. What color light is emitted from the LED? this wavelerEth visible to humans? Eegy Cunuctiun bauid Wald Emilled Hexon Fobpry staics SOLVED: Suppose the LED band gap shown below is 2.7 eV. What color light is emitted from the LED? this wavelerEth visible to humans? Eegy Cunuctiun bauid Wald Emilled Hexon Fobpry staics](https://cdn.numerade.com/ask_images/2f9026fa831e4020b14b4a748929ad57.jpg)
SOLVED: Suppose the LED band gap shown below is 2.7 eV. What color light is emitted from the LED? this wavelerEth visible to humans? Eegy Cunuctiun bauid Wald Emilled Hexon Fobpry staics
![Double heterojunction light emitting diode band structure. Holes are... | Download Scientific Diagram Double heterojunction light emitting diode band structure. Holes are... | Download Scientific Diagram](https://www.researchgate.net/publication/327035194/figure/fig2/AS:659844289794049@1534330546287/Double-heterojunction-light-emitting-diode-band-structure-Holes-are-shown-as-hollow.png)
Double heterojunction light emitting diode band structure. Holes are... | Download Scientific Diagram
![Molecular Expressions Microscopy Primer: Physics of Light and Color - Introduction to Light Emitting Diodes Molecular Expressions Microscopy Primer: Physics of Light and Color - Introduction to Light Emitting Diodes](https://micro.magnet.fsu.edu/primer/lightandcolor/images/ledintrofigure3.jpg)