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PHOTOVOLTAIC

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Title: PHOTOVOLTAIC


1
????? PHOTOVOLTAIC
????? 200321238 ???
2
? ?
3
1. ? ??? ??? ???
????? ???????? ???
????? ?? gt ???? ?? ?? ???????? ??? ??? ?!
4
1. ? ??? ??? ???
??? 1??? ??? ??? ? ??? ??? ??? 10000??? ????

5
2. ??????
??? ??? ??? ??? ???
??? ?? ??? -gt ?? ??? ?? ??? -gt ?? ??? -gt ??
6
2-1. ????? ??
  • 1839? E.Becquerel(???)? ??? ????(Photovoltaic
    effect)? ??
  • 1954? Bell Lab.?? ?? 4? ??? ????? ??

7
??-??????
?????? ?? ???? ???? ??? ???? ?? ?? ??? ??? ???
??? ?? ???? ?, ??? ???? ??? ????? ??.
8
2-1. ????? ??
  • 1958? ??? Vanguard ??? ??? ????? ??? ?? ?? ???
    ????? ??
  • 1970?? Oil shock?? ????? ???? ? ???? ??? ???
    ????? ????? ???? ???
  • ?? ?????? 717, ?? 20? ??, ???? 6/W ??, ????
    0.250.5/kWh

9
2-2.????? ??
10
2-3. ????? ?? ??
11
2-3. ????? ?? ??
12
2-3. ????? ?? ??
13
2-4 ????? ??
14
??
Band gap
Absorption
Photon energy
15
Band gaps (eV) of some inorganic solids
16
(a) CaSe nanoparticles disolved in toluene. The
size of nanoparticles progressively increases
from 1.9 nm on the left to 6.0 nm on the right.
(b) absorption spectra of the CdSe nanoparticles
on their radius, R/nm (1) 2.1 (2) 2.3 (3)
2.7 (4) 3 (5) 4
17
InP
InAs
CdSe
Semiconductor Nanocrystals as Fluorescent
Biological Labels M. Bruchez Jr.et al. Science,
281, 2013 (1998)
18
2. (2) ????(??? ???)? ??
?? ????, ???? ????? ?? ??(??? ??)? ?? - ??? n?
??? ??? p? ??? ??? ??? ???? ??? ??? ??.
19
(No Transcript)
20
2. (2) ????? ??
???? ??
21
2. (3) ????? ??
22
3. ??? ??? ??
??? ???? ?? ??? ??? ?? ?? ??? ??
23
4. (1) ?? ??? ?? ???
?? ??? ???? ??? ? ???? ???? ??? ????? ??? ??,
???? ?? ????? ??.
  • ????? ??? ?? ????? ????
  • ???????, ?????? ???
  • ???? ??? ?? ? ????

24
4. (2) ??? ?? BIPV ???
  • Building Integrated Photovoltaic System 
  • ?? ?? ??? ??? ??

25
4. (3) ??? ??? (??? ??
???? ??? ????? ??? ???? ?? ?? ??? ???? ????? ???
??
  • ?? ??? ???? ??
  • ?? ??? ??? ?? ?
  • ???? ???? ???? ?
  • ? ??
  • ????

26
4. (4) ??? ????
?? ?? ??? ??? ??? ??? ??? ??? ?? ????? ??? ??? ??
? ?? ??? ??
  • ????
  • (ECO Friendly Phone)
  • ??? ??? ?? ????
  • ??
  • ?? ?? ???? ??? ??
  • ?? ? ??? 10? ???? 3
  • ?? ??? ??

27
4. (5) ?? ???? ???? ?? ???? ??
28
4. (5) ?? ???? ???? ?? ???? ??
29
4. (5) ?? ???? ???? ?? ???? ??
30
5. ? ?
??? ?? ??? ??? ??
??? ??? ?? ?? ???? ??? ?? ???? ?? ? ?? ??
?? ???
31
? ? ? ? ?.
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