What is the main element used in the manufacture of solar cells. Explain how additional elements are used to change the conductivity of the material and produce N-type and P-type semiconductors

Q: 03. How can we determine of the band-gap of gemanium from electrical measurements?

A: Band gap of semiconductor like germanium can be determined by the study of the Variation of its…

Q: Account for the relative band gap energies of semiconductors interms of periodic trends?

A:

Q: >Why does BN form compounds similar to those formed by elemental carbon?

A: The boron nitride consists of BN units, which have same number of electrons (isoelectronic) as that…

Q: Do metallic elements conduct electricity because they have a small band gap energy?

A:

Q: Indicate which of the following statements are true with regard to semiconductors. (a) elemental…

A: a) is true, elemental semiconductor are made of metalloids.  b) is wrong, because semiconductor have…

Q: The maximum wavelength of light that a certain silicon photocell can detect is 1.11 μm. (a) What is…

A: The energy difference between the top valence band and bottom of conduction band in terms of…

Q: Discuss the Following: Why although a non-metal, graphite is often used as an electrode material?…

A: Doping is the process of addition of metal that causes enhancement in conducting properties of the…

Q: What are alumino silicates or FELDSPARS

A: The metallic compounds which are found in nature, called as minerals whereas the minerals which can…

Q: Diffusion does not have an effect on______. a) Doping in semiconductors b) Production of alloys c)…

A: Diffusion doesn't not have an effect on heat treatment of metals .  In production of alloy the metal…

Q: Identify the following as either p- or n- type semiconductors.(a) germanium doped with arsenic(b)…

A: Answer:- This question is answered by using the simple concept of p- and n- type semiconductors…

Q: Write some advantages and disadvantages of ceramic materials compared to metals?

A: Metal is a very broad term in itself but in general metals are those chemical elements that are…

Q: Illustrate semiconductor based on Band Theory of Metal.

A: Semiconductors are the one that have conductivity less than conductors but more than that of…

Q: Which of these doped semiconductors would yield a p-type material? (a) Ge:P (b) Si:Ge (c) Si:Al (d)…

A: The doped semiconductor which could give p-type material has to be given.

Q: The minority carriers in p-type semiconductors are

A: Doping is the process by which conductivity of a semi conductor increases. When an element of group…

Q: Discuss the reasons for the observation of dominant covalent bonding (but not ionic bonding) in…

A: The interaction present between the atoms and binds them together is known as the bonding. There are…

Q: How does the doping increase the conductivity of semiconductors?

A: Conductivity of semiconductors:When a certain amount of suitable impurity or doping is added, the…

Q: 2. Shown below is a chart of the carrier concentration in three intrinsic semiconductors (Si, Ge,…

A:

Q: What is the difference in energy between the valence band and conduction band of electrical…

A: Insulators have large energy gapSemi conductors have somewhat less energy gap than insulators…

Q: what are p type and n type semiconductors?

A: p-type semiconductor:  A dopant with lesser electrons than its host forms a narrow band that gets…

Q: 2. Compare and contrast band theory associated with metals, insulator and semiconductors with…

A: Interpretation-  To compare and contrast band theory associated with metals, insulator and…

Q: Consider the following doping scenarios: I. Si doped with B II. Ge doped with P III. GaAs doped with…

A: Dear student I have given answer to your question in the image format

Q: Name the three (3) unit cells commonly found in metal structures and briefly explain the method of…

A: Unit cell is the repeating unit of a lattice. It has net symmetry that a crystal possesses. Due to…

Q: Write the theory, state, and explain two properties and two applications on each topic you select.…

A: The theory, properties and applications of three topics from the given choices have been described…

Q: Which of these doped semiconductors would yield a p-typematerial? (These choices are written as host…

A: A p type semiconductor is formed when the Si or Ge is doped with any element from Aluminium group…

Q: b) The periodic Table has specific units: Metallic, Semiconductor and Insulator. In your own…

A: This question is based on the periodic table and the different units : Metallic, Semiconductor and…

Q: MCQ 19: Group IV clement that acts as an insulator is A. Carbon (Diamond) B. Tin (Sn) C. Lead (Pb)…

A: The energy gap between valance band and conduction band determines wheather an element will conduct…

Q: Explain how metallic conductors, semiconductors, and insulators are identified and explain their…

A:

Q: For each of the following pairs of semiconductors, pick which one would have the larger bandgap.…

A: SEMICONDUCTORS: Certain materials which has a conductivity which lies between nonconductors and…

Q: Direct bandgap semiconductor materials generally support radiative (optoelectronic) transitions…

A: Interpretation-  To interpret why direct bandgap semiconductor materials generally support radiative…

Q: What is doping and operate Indium with Silicon and Phosphorous with Germanium

A: Given: 1.explain doping. 2. doping of indium with silicon 3. doping of phosphorous with Germanium

Q: explain the properties of zinc? zinc can conduct current or not?

A: Zinc is a blue-grey, metallic element with the symbol Zn and atomic number 30. it has a blue-silvery…

Q: How are metals used as semiconductors refined? What is the principle of the method used?

A: The metallic compounds which are found in nature, called as minerals whereas the minerals which can…

Q: >Provide a general description of how electrometallurgy is used to extract metals from ores.

A: A technique of extraction of metal from its ore in which electrolysis is used is known as…

Q: ) Explain the band structure of an electrical conductor (metal), a semiconductor, and an insulator…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: How can the conductivity of semi-conductors be controlled?

A: The conductivity of semiconductors may easily be modified by introducing impurities into their…

Q: Silicones are classified as O a. Elastomers O b. Cast iron O c. Thermoplastics O d. Ceramics

A: Silicones is synthetic elastomer that show viscosity and elasticity.

Q: Which of the following could be useful as an elemental semiconductor? Cu O F O K As Xe

A: Materials whose conductivity  is lies between the conductors and insulators are known as…

Q: Explain how doping can increase the conductivity of a semiconductor.

A: Conductivity is due to the mobility of electrons; therefore, conductivity can be increased by…

Q: How do some pairs of metals form alloys with structures that depend on the relative composition of…

A: An alloy is a metallic substance composed of a metal with at least one other metal metal or…

Q: What are the main differences between Diamagnetic and Paramagnetic materials?

A: Diagmagnetic substances have zero unpaired electron and paramagnetic materials contain unpaired…

Q: Titanium Ruthenium Property Electron configuration of element [Ar]4s23d [Kr]5s²4d6 2 Oxidation state…

A: In semiconductors and insulators, electrons are confined to a number of bands of energy, and…

Q: How do the appearances of metals, semiconductors and insulators differ? Why?

A: A question based on conductivity property, which is to be accomplished.

Q: Is Aluminium is commonly deliberately alloyed with iron? Why ?

A: Ans: we have to give tha answer that why aluminium is alloyed with iron ??