Inverted Colloidal Quantum Dot Solar Cells

Inverted Colloidal Quantum Dot Solar Cells

An inverted architecture of quantum dot solar cells is demonstrated by introducing a novel ZnO method on top of the PbS CQD film. Improvements in device characteristics stem from constructive optical interference from the ZnO layer that enhances absorption in the PbS CQD layer. Outstanding diode cha...

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Veröffentlicht in:Advanced materials (Weinheim) 2014-05, Vol.26 (20), p.3321-3327
Hauptverfasser: Kim, Gi-Hwan, Walker, Bright, Kim, Hak-Beom, Kim, Jin Young, Sargent, Edward H., Park, Jongnam
Format: Artikel
Sprache:eng
Schlagworte:
depleted heterojunction
Devices
Diodes
Electronics
Interference
lead sulfide
nanoparticles
Photovoltaic cells
quantum dot solar cells
Quantum dots
Solar cells
Zinc oxide
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Zusammenfassung:An inverted architecture of quantum dot solar cells is demonstrated by introducing a novel ZnO method on top of the PbS CQD film. Improvements in device characteristics stem from constructive optical interference from the ZnO layer that enhances absorption in the PbS CQD layer. Outstanding diode characteristics arising from a superior PbS/ZnO junction provide a further electronic advantage.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201305583