Chapter 12, Problem 12.105SP

Interpretation Introduction

(a)

Interpretation:

The wavelength of light that $\text{GaN}$ would emit in nanometer is to be determined.

Concept introduction:

Semiconductors are devices that have conductivity intermediate between conductors and insulators and their conductivity gets enhances when doped.

Doped semiconductors are used in commercialized electronic devices as diodes, transistors, LEDs, photovoltaic cells. They all differ in their functions and that are as follows:

• Diodes convert alternating current to direct current.
• Photovoltaic cells convert sunlight to electricity.
• LEDs act as a light source.
• Transistors amplify an electrical signal in an integrated circuit.

Interpretation Introduction

(b)

Interpretation:

If the light emitted is blue by the device then the substitution of indium in ${\text{Ga}}_{\text{x}}{\text{In}}_{\text{1-x}}\text{N}$ will increase or decrease the band gap in comparision to $\text{GaN}$ should be discussed.

Concept introduction:

Semiconductors are devices that have conductivity intermediate between conductors and insulators and their conductivity gets enhances when doped.

Doped semiconductors are used in commercialized electronic devices as diodes, transistors, LEDs, photovoltaic cells. They all differ in their functions that are as follows:

• Diodes convert alternating current to direct current.
• Photovoltaic cells convert sunlight to electricity.
• LEDs act as a light source.
• Transistors amplify an electrical signal in an integrated circuit.