UV-vis and Transport Characterization of Degradation in Polymer Blend Photovoltaics American Physical Society March Meeting 2011 Dallas, TX Emilee Sena, Justin Peel, Shreya Nathan, Devin Wesenberg, Marianne Wallis, Thorsteinn Adalsteinsson, Brian McNelis, Richard Barber Santa Clara University
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UV-vis and Transport Characterization of Degradation in Polymer Blend Photovoltaics
UV-vis and Transport Characterization of Degradation in Polymer Blend Photovoltaics American Physical Society March Meeting 2011 Dallas, TX Emilee Sena , Justin Peel, Shreya Nathan, Devin Wesenberg, Marianne Wallis, Thorsteinn Adalsteinsson, Brian McNelis, Richard Barber - PowerPoint PPT Presentation
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UV-vis and Transport Characterization of Degradation in Polymer Blend Photovoltaics
American Physical Society March Meeting 2011
Dallas, TX
Emilee Sena, Justin Peel, Shreya Nathan, Devin Wesenberg, Marianne Wallis,
Thorsteinn Adalsteinsson, Brian McNelis, Richard Barber
Santa Clara University
Overview•Description of organic photovoltaics
•How the devices work
•Device fabrication
•Device measurement
•Active layer molecules
•UV-vis spectroscopy
What Are Organic Photovoltaic Devices?
O
O
SS
H3C(H2C)4H2C
CH2(CH2)4CH3
n
A
Multijunction
+
Charge Generator
Charge Acceptor
-
A
e-
Multijunction
ħω
Bulk Heterojunction
What Are Organic Photovoltaic Devices?
ħω
O
O
SS
H3C(H2C)4H2C
CH2(CH2)4CH3
n
A
ħω
+
Charge Generator
Charge Acceptor
-
A
e-
Multijunction
ħω
Bulk Heterojunction
What Are Organic Photovoltaic Devices?
ħω
SS
H3C(H2C)4H2C
CH2(CH2)4CH3
n
e-
A
ħω
+
Charge Generator
Charge Acceptor
-
A
e-
Multijunction
Bulk Heterojunction
What Are Organic Photovoltaic Devices?
ħω
O
O
SS
H3C(H2C)4H2C
CH2(CH2)4CH3
n
e-
A
ħω
+
Charge Generator
Charge Acceptor
-
A
e-
Multijunction
Bulk Heterojunction
What Are Organic Photovoltaic Devices?
ħω
O
O
SS
H3C(H2C)4H2C
CH2(CH2)4CH3
n
e-
e-
A
+
Charge Generator
Charge Acceptor
-
A
e-
Multijunction
Bulk Heterojunction
ħω
Why Study Them?•Advantages over inorganic (silicon) solar cells: