Question
In: Physics
Explain how a pn junction creates the appropriate conditions for absoring a photon and then keeping...
Explain how a pn junction creates the appropriate conditions for absoring a photon and then keeping the electron-hole pair around around long enough to be collected. (Explain the steps from incoming photon to the end.)
Solutions
genius_generous answered 2 years agoRelated Solutions
Explain how a pn junction creates the appropriate response of the system to explain Isc and...
Explain how a pn junction creates the appropriate response of
the system to explain Isc
and Voc. (Start from incoming
photons and explain short and open circuits seperately).
Describe how a pn junction is formed
Describe how a pn junction is formed
Question 5: pn junction (a) Explain the main physical principles underlying the operation of a pn-junction-based...
Question 5: pn junction
(a) Explain the main physical principles underlying the
operation of a pn-junction-based diode.
(b) Provide a rigorous derivation of the net current through the
pn-junction for both the forward and reverse bias. Explain and
justify every step in your derivation.
(c) For a fixed temperature, plot the net current as a function
of applied voltage.
Explain the role of forward resistance in PN junction diode . Differentiate the approximate and simplified...
Explain the role of forward resistance in PN junction
diode . Differentiate the approximate and simplified diode models
on the basis of forward resistance.
Explain why the width of a pn junction can be manipulated by an external volatge. Determine...
Explain why the width of a pn junction can be manipulated by an
external volatge. Determine the polarity of the external voltage if
one wants to increase the width of the pn-junction.
PN Junctions and breakdown 1. Draw and interpret energy band diagram for pn junction in equilibrium,...
PN Junctions and breakdown
1. Draw and interpret energy band diagram for pn junction in
equilibrium, forward, and reverse bias
2. Describe what physically happens (And why) when you put n-Si
in contact with p-Si (e.g., junction formation)
3. Calculate Vo, W, Wn, Wp
4. Describe how/why current flows in forward and reverse
bias.
5. Utilize law of junction to calculate the minority carrier
concentration just outside the depletion layer
6. Quantify the forward and reverse bias current in a...
PN Junctions and breakdown 1. Draw and interpret energy band diagram for pn junction in equilibrium,...
PN Junctions and breakdown
1. Draw and interpret energy band diagram for pn junction in
equilibrium, forward, and reverse bias
2. Describe what physically happens (And why) when you put n-Si
in contact with p-Si (e.g., junction formation)
3. Calculate Vo, W, Wn, Wp
4. Describe how/why current flows in forward and reverse
bias.
5. Utilize law of junction to calculate the minority carrier
concentration just outside the depletion layer
6. Quantify the forward and reverse bias current in a...
5.) describe and diagram in detail the behavior of the pn junction when it is forwarded...
5.) describe and diagram in detail the behavior of the pn
junction when it is forwarded biased. When it is reversed
biased.
6.) Describe how a reversed biased pn-junction is used as a
light detector.
A2) i) What is the cause of the junction capacitance and diffusion capacitance of a pn...
A2)
i) What is the cause of the junction capacitance and diffusion
capacitance of a pn junction? Under what condition the junction and
diffusion capacitance of the pn junction will exist?
ii) Is the junction capacitance of a pn junction linear? How
about the diffusion capacitance?
1.pn junction when forward bias is applied Draw the energy band diagram. Explain all the quasi...
1.pn junction when forward bias is applied
Draw the energy band diagram.
Explain all the quasi fermi levels in the depletion region and why
they are so drawn.
2.pn junction when reverse bias is applied
Draw the energy band diagram.
Explain all the quasi fermi levels in the depletion region and why
they are so drawn.
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