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WELCOME TO OUR PRESENTATION
Solar Cell
Prepared by:
Farid Hossan
Department: EEE
Institution: Daffodil International University
WHAT IS A SOLAR CELL?
 A structure that converts solar energy directly to
dc electric energy.
 A Solar cell is a solid state electrical device that converts energy of
light directly into electricity by Photoelectric Effect.
 A SOLAR CELL is also known as Photovoltaic Cell or Photoelectric
Cell.
The term “Photo” comes from the Greek meaning “light”,
and “voltaic”, from the name of the Italian physicist “Volta”.
The PHOTOELECTRIC EFEECT was first recognized in
1839 by French physicist A.E. BECQUEREL.
ALBERT EINSTEIN explained the underlying mechanism
of light instigated carrier excitation of the photoelectric
effect in 1905 for which he received the Nobel prize in
Physics in 1921.
History of solar cell
HISTORY OF SOLAR CELL
 The highly efficient solar cell was first developed by DARYL
CHAPIN, CALVIN SOUTHER FULLER and GERALD
PEARSON in 1954 using a diffused silicon p-n junction.
 Solar Cells were first used in Vanguard I satellite,
launched in 1958.
 The first practical photovoltaic cell was publicly demonstrated
on April 25, 1954 at Bell Laboratories.
Bell Laboratories
 From 2002 we can see the modern solar cell.
Modern solar cell
Basics of solar cells
• If two differently contaminated semiconductor Ayer's are
combined, then a so-called p-n-junction result on the boundary
of the layers. p-n junction layer
• By doping trivalent element, we get p-type
semiconductor.
• By doping pentavalent element, we get n-type
semiconductor.
n-type semiconductor
p- type semiconductor
TYPES OF SOLAR
CELL
• Based on the types of crystal used, solar cells
can be classified as,
1. Monocrystalline silicon cells
2. Polycrystalline silicon cells
3. Amorphous silicon cells
Types of Solar cell
 The Monocrystalline silicon cell is produced from pure
silicon (single crystal). Since the Monocrystalline silicon is
pure and defect free, the efficiency of cell will be higher.
 In polycrystalline solar cell, liquid silicon is used as raw
material and polycrystalline silicon was obtained followed by
solidification process. The materials contain various
crystalline sizes. Hence, the efficiency of this type of cell is
less than Monocrystalline cell.
 Amorphous silicon is obtained by depositing silicon film on the
substrate like glass plate.
Comparison Types of solar cell
Material Efficiency (%)
Monocrystalline silicon 14-17
Polycrystalline silicon 13-15
Amorphous silicon 5-7
Single solar cell
 The single solar cell constitute the n-type
layer sandwiched with p-type layer.
 The most commonly known solar cell is
configured as a large-area p-n junction
made from silicon wafer.
 A single cell can produce only very tiny
amounts of electricity
 It can be used only to light up a small light
bulb or power a calculator.
 Single photovoltaic cells are used in many
small electronic appliances such as
watches and calculators
N-type
P-type
Single Solar cell
STRUCTURE OF A SOLAR
CELL
WORKING OF A SOLAR CELL
USES OF SOLAR
CELL
Water bus
Satellites
BD solar carRoad-side light
USES OF SOLAR
CELL
Solar car
home Power service
cell phone modern
14
Advantage of Solar cell
1. It is clean and non-polluting
2. It is a renewable energy
3. Solar cells do not produce noise and they are totally
silent.
4. They require very little maintenance
5. They are long lasting sources of energy which can be
used almost anywhere
6. They have long life time
7. There are no fuel costs or fuel supply problems
1. Soar power can be obtained in night time
2. Soar cells (or) solar panels are very expensive
3. Energy has not be stored in batteries
4. Air pollution and whether can affect the production of
electricity
5. They need large are of land to produce more efficient
power supply
Disadvantage of solar sell
THANK YOU
EVERYONE

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Solar cell presentation

  • 1. WELCOME TO OUR PRESENTATION Solar Cell Prepared by: Farid Hossan Department: EEE Institution: Daffodil International University
  • 2. WHAT IS A SOLAR CELL?  A structure that converts solar energy directly to dc electric energy.  A Solar cell is a solid state electrical device that converts energy of light directly into electricity by Photoelectric Effect.  A SOLAR CELL is also known as Photovoltaic Cell or Photoelectric Cell.
  • 3. The term “Photo” comes from the Greek meaning “light”, and “voltaic”, from the name of the Italian physicist “Volta”. The PHOTOELECTRIC EFEECT was first recognized in 1839 by French physicist A.E. BECQUEREL. ALBERT EINSTEIN explained the underlying mechanism of light instigated carrier excitation of the photoelectric effect in 1905 for which he received the Nobel prize in Physics in 1921. History of solar cell
  • 4. HISTORY OF SOLAR CELL  The highly efficient solar cell was first developed by DARYL CHAPIN, CALVIN SOUTHER FULLER and GERALD PEARSON in 1954 using a diffused silicon p-n junction.  Solar Cells were first used in Vanguard I satellite, launched in 1958.  The first practical photovoltaic cell was publicly demonstrated on April 25, 1954 at Bell Laboratories. Bell Laboratories  From 2002 we can see the modern solar cell. Modern solar cell
  • 5. Basics of solar cells • If two differently contaminated semiconductor Ayer's are combined, then a so-called p-n-junction result on the boundary of the layers. p-n junction layer • By doping trivalent element, we get p-type semiconductor. • By doping pentavalent element, we get n-type semiconductor. n-type semiconductor p- type semiconductor
  • 6. TYPES OF SOLAR CELL • Based on the types of crystal used, solar cells can be classified as, 1. Monocrystalline silicon cells 2. Polycrystalline silicon cells 3. Amorphous silicon cells
  • 7. Types of Solar cell  The Monocrystalline silicon cell is produced from pure silicon (single crystal). Since the Monocrystalline silicon is pure and defect free, the efficiency of cell will be higher.  In polycrystalline solar cell, liquid silicon is used as raw material and polycrystalline silicon was obtained followed by solidification process. The materials contain various crystalline sizes. Hence, the efficiency of this type of cell is less than Monocrystalline cell.  Amorphous silicon is obtained by depositing silicon film on the substrate like glass plate.
  • 8. Comparison Types of solar cell Material Efficiency (%) Monocrystalline silicon 14-17 Polycrystalline silicon 13-15 Amorphous silicon 5-7
  • 9. Single solar cell  The single solar cell constitute the n-type layer sandwiched with p-type layer.  The most commonly known solar cell is configured as a large-area p-n junction made from silicon wafer.  A single cell can produce only very tiny amounts of electricity  It can be used only to light up a small light bulb or power a calculator.  Single photovoltaic cells are used in many small electronic appliances such as watches and calculators N-type P-type Single Solar cell
  • 10. STRUCTURE OF A SOLAR CELL
  • 11. WORKING OF A SOLAR CELL
  • 12. USES OF SOLAR CELL Water bus Satellites BD solar carRoad-side light
  • 13. USES OF SOLAR CELL Solar car home Power service cell phone modern
  • 14. 14 Advantage of Solar cell 1. It is clean and non-polluting 2. It is a renewable energy 3. Solar cells do not produce noise and they are totally silent. 4. They require very little maintenance 5. They are long lasting sources of energy which can be used almost anywhere 6. They have long life time 7. There are no fuel costs or fuel supply problems
  • 15. 1. Soar power can be obtained in night time 2. Soar cells (or) solar panels are very expensive 3. Energy has not be stored in batteries 4. Air pollution and whether can affect the production of electricity 5. They need large are of land to produce more efficient power supply Disadvantage of solar sell