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Self-organized phase segregation between inorganic nanocrystals and for hybrid high-efficiency bulk heterojunction photovoltaic cells
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10.1063/1.3454923
/content/aip/journal/apl/96/24/10.1063/1.3454923
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/24/10.1063/1.3454923

Figures

Image of FIG. 1.
FIG. 1.

AFM images of the cross-linked PbS NC only and cross-linked composite films casted from solutions with different wt. ratios of PbS NCs and molecules. The upper images (a), (b), (c), and (d) indicate the morphology of the cross-linked films prepared with PbS NC only and different wt. ratios of 50:1, 30:1, and 10:1 respectively. The lower images (e), (f), (g), and (h) which, respectively, corresponding to the morphology images (a), (b), (c), and (d), represent the in situ phase images. All images have the scan range of .

Image of FIG. 2.
FIG. 2.

Measured current characteristics under one sun of simulated AM 1.5 G solar irradiation of the bilayer device A (black; square) and the bulk heterojunction devices B (blue; circle), C (red; up-triangle), and D (green; down-triangle) with different wt. ratios between PbS NCs and . Inset shows the cross-section SEM images of (a) the bilayer device A and (b) the bulk heterojunction device C.

Image of FIG. 3.
FIG. 3.

Measured EQEs spectra of the bilayer device A (black; square) and the bulk heterojunction devices B (blue; circle), C (red; up-triangle), and D (green; down-triangle) with different wt. ratios between PbS NCs and . Inset shows the estimated lower limit of the IQEs with the measured EQE and device reflectance data.

Tables

Generic image for table
Table I.

Summary of device structures used in this study. The devices have a general structure of ITO/PbS-BDT(40 nm)/composite layer (40 nm)/BM (40 nm)/LiF (1 nm)/Al.

Generic image for table
Table II.

Summary of the performance of bilayer and bulk heterojunction devices. The series resistances of the devices are extracted at 1 V forward bias in dark condition.

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/content/aip/journal/apl/96/24/10.1063/1.3454923
2010-06-16
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Self-organized phase segregation between inorganic nanocrystals and PC61BM for hybrid high-efficiency bulk heterojunction photovoltaic cells
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/24/10.1063/1.3454923
10.1063/1.3454923
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