How are p-type and n-type semiconductor obtained, Chemistry

Assignment Help:

How are p-type and n-type semiconductor obtained?

A P-type semiconductor is attained by carrying out a process of doping which is adding a certain type of atoms to the semiconductor in order to increase number of free charge carriers  (in  this  case  positive).  Purpose of P-type doping is to create an abundance of holes.

When doping material is added, it takes away (accepts) weakly-bound outer electrons from semiconductor atoms. This kind of doping agent is also called as acceptor material and the semiconductor atoms that have lost an electron are termed as holes.

An N-type semiconductor is attained by carrying out a process of doping, that is, by adding an impurity of valence-five elements to a valence-four semiconductor in order to increase number  of  free  charge  carriers  (in  this  case  negative).  Purpose of N-type doping is to produce an abundance of mobile or "carrier" electrons in the material.

 


Related Discussions:- How are p-type and n-type semiconductor obtained

Photochemistry, How to prepare my seminar paper ?

How to prepare my seminar paper ?

Principle of atomic emission spectrometry, Principle of atomic emission spe...

Principle of atomic emission spectrometry: The analyte sample is introduced into the centre of the plasma as an aerosol with the help of a nebuliser using argon flow. In the p

Electrochemistry, explain the construction of calomel electrode.explain how...

explain the construction of calomel electrode.explain how this electrode is used to determine the potential of an unknown electrode

Illustrate saturated and unsaturated hydrocarbons, Q. Illustrate Saturated ...

Q. Illustrate Saturated and Unsaturated Hydrocarbons? Ans. The term hydrocarbon is similar to the term organic. The term hydrocarbon emphasizes the fact that these compou

Rayon - semi synthetic polymers, Rayon - Semi Synthetic Polymers Rayon ...

Rayon - Semi Synthetic Polymers Rayon is a man made material which contains purified cellulose in the type of long fibres. Cellulose is reacted along with cold NaOH solution to

Thermodynamics and first law of thermodynamics, Thermodynamics Thermody...

Thermodynamics Thermodynamics is a macroscopic science and its most fundamental level is the study of two physical energy, entropy and quantities. Energy may be regarded as the

Density, You are given a sample block of an unknown metal. The block disp...

You are given a sample block of an unknown metal. The block displaces 3.24 mL of water and has a mass of 62.5429 g. What is the density of the unknown metal? What is the metal?

Groupings represents a collection of isoelectronic species, Which one of th...

Which one of the following groupings represents a collection of isoelectronic species: (1) NA +, Ca 2+ , Mg 2+        (2)  N3, F - , Na + (3)  be, Al 3+ , Cl -

Which set of quantum numbers are not possible, Which set of quantum numbers...

Which set of quantum numbers are not possible from the following: (1) n=3, l= 2, m=0, s= -1/2                 (2) n=3, l= 2, m=-2 s= -1/2            (3) n=3, l= 3, m=-3,

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd