Mcghee Investor Presentation
Efficiency (%)
50
50
48
Best Research-Cell Efficiencies
Multijunction Concentrators
▼Three-junction (2-terminal, monolithic)
▲ Two-junction (2-terminal, monolithic)
Single-Junction GaAs
44
▲ Single crystal
40
40
36
46
32
A Concentrator
Thin film crystal
Crystalline Si Cells
■Single crystal
Multicrystalline
Thick Si film
Silicon Heterostructures (HIT)
Thin-Film Technologies
Cu(In, Ga)Se2
o CdTe
O Amorphous Si:H (stabilized)
Nano-, micro-, poly-Si
Multijunction polycrystalline
Emerging PV
o Dye-sensitized cells
Organic cells (various types)
▲ Organic tandem cells
Inorganic cells
Quantum dot cells
Spectrolab
(metamorphic, 299x)
Fraunhofer ISE
Boeing-
(metamorphic, 454x) Spectrolab
NREL
NATIONAL RENEWABLE ENERGY LABORATORY
(lattice matched,
364x)
Solar
Junction
(lattice matched,
418x)
Boeing-Spectrolab
(metamorphic, 179x)
Boeing-Spectrolab
(metamorphic, 240x)
Spire
Semiconductor
(metamorphic, I
406x)
43.5%
NREL
(inverted, metamorphic)
NREL (inverted,
NREL
metamorphic,
Boeing-
Boeing-
325.7x) Sharp
Spectrolab
Spectrolab
(IMM, 1-sun)
NREL (inverted,
35.8%
Spectrolab
metamorphic, 1-sun)
NREL/
NREL
Japan
Energy
Spectrolab
FhG-ISE
Spectrolab
32.6%
(117x)
Varian
NREL
Varian (216x)
28
(205x)
NREL
SunPower
(96x)
Spectrolab
(4.0 cm2, 1-sun)
Radboud
Univ.
IES-UPM
(1026x)
Alta
Stanford
(140x)
Amonix
(92x)
FhG-ISEAA Devices
29.1%
28.2%
(232x)
27.6%
26.4%
Kopin
224
24
20
20
IBM
(T. J. Watson
Research Center)
Varian
Radboud
FhG-
UNSW
NREL
Univ.
A-
Stanford
Spire
UNSW
Radboud
Univ.
Alta
ISE Devices
25.0%
UNSW UNSW Cu(In, Ga)Se2
UNSW
UNSW/
(14x) Sanyo
Sanyo Sanyo
23.0%
Sanyo
Sanyo
Spire
Georgia Eurosolare
ZSW
Sandia
ARCO
National
Lab
Westing-
house
UNSW
Varian
Georgia
Tech
Georgia Tech
Tech
FhG-ISE
20.4%
20.3%
UNSW
NREL NREL
NREL
NREL NREL
NREL ZSW
First Solar
NREL
NREL
17.3%
16
RCA
No. Carolina
University
So. Florida
Univ.
Mobil
State Univ.
ARCO
Boeing
AstroPower
NREL (small-area)
NREL
Stuttgart
Sharp
(large-area)
(45 μm thin-
NREL
Solar
Kodak Solarex
Euro-CIS
12
Boeing
NREL
Boeing
United Solar
film transfer) (CdTe/CIS)
United Solar
(asi/ncSi/ncSi)
12.5%
Photon Energy
AMETEK
Matsushita
Kodak
Boeing
ARCO
8
Monosolar
United Solar
EPFLO
EPFL Kaneka
United
Solar
Sharp
IBM
(CTZSSe)
IBM
(CTZSSe)
11.1%
10.1%
Konarka
8.6%
(2 μm
on glass)
NREL/Konarka
Univ. Linz
Solarmer
Konarka
8.3%
UCLA
Boeing
RCA
Solarex
EPFL
Heliatek
University
EPFL
Groningen
Heliatek
NREL
4
of Maine
RCA
RCA
RCA RCA
University Linz
Plextronics
(ZnO/
PbS-QD)
4.4%
Univ.
RCA
O RCA
0
University
Linz
L
Siemens Dresden (ZnO/PbS-QD)
NREL
I
1975
1980
1985
1990
1995
2000
2005
2010
(Rev. 9-2011)
Lots of records in 2011!View entire presentation