Colloidal quantum dot based solar cells: from materials to devices

Colloidal quantum dots (CQDs) have attracted attention as a next-generation of photovoltaics (PVs) capable of a tunable band gap and low-cost solution process. Understanding and controlling the surface of CQDs lead to the significant development in the performance of CQD PVs. Here we review recent p...

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Bibliographic Details
Published in:Nano convergence 2017, 4(21), , pp.1-8
Main Authors: Song, Jung Hoon, Jeong, Sohee
Format: Article
Language:English
Subjects:
Advanced Nanomaterials and Devices for Next Generation Energy Technologies
Chemistry and Materials Science
Colloidal quantum dots
Commercialization
Electrical properties
Energy conversion efficiency
Lead chalcogenides
Materials Science
Nanocrystals
Nanoscale Science and Technology
Nanotechnology
Nanotechnology and Microengineering
Optical design
Photovoltaic cells
Photovoltaics
Quantum dots
Review
Solar cells
고분자공학
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Summary:Colloidal quantum dots (CQDs) have attracted attention as a next-generation of photovoltaics (PVs) capable of a tunable band gap and low-cost solution process. Understanding and controlling the surface of CQDs lead to the significant development in the performance of CQD PVs. Here we review recent progress in the realization of low-cost, efficient lead chalcogenide CQD PVs based on the surface investigation of CQDs. We focus on improving the electrical properties and air stability of the CQD achieved by material approaches and growing the power conversion efficiency (PCE) of the CQD PV obtained by structural approaches. Finally, we summarize the manners to improve the PCE of CQD PVs through optical design. The various issues mentioned in this review may provide insight into the commercialization of CQD PVs in the near future.
ISSN:2196-5404
2196-5404
DOI:10.1186/s40580-017-0115-0