Highly Monodispersed PbS Quantum Dots for Outstanding Cascaded-Junction Solar Cells.
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Peer-reviewed
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Abstract
High-performance cascaded-junction quantum dot solar cells (CJQDSCs) are fabricated from as-prepared highly monodispersed lead sulfide QDs. The cells have a high power conversion of 9.05% and a short-circuit current density of 32.51 mA cm-2. A reliable and effective stratagem for fabricating high-quality lead sulfide quantum dots (QD) is explored through a "monomer" concentration-controlled experiment. Robust QDSC performances with different band gaps are demonstrated from the as-proposed synthesis and processing stratagems. Various potential CJQDSCs can be envisioned from the band edge evolution of the QDs as a function of size and ligands reported here.
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Keywords
0906 Electrical and Electronic Engineering, 0912 Materials Engineering
Journal Title
ACS Energy Lett
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Journal ISSN
2380-8195
2380-8195
2380-8195
Volume Title
1
Publisher
American Chemical Society (ACS)
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Publisher's own licence
Sponsorship
European Research Council (340538)