Infrared Solution‐Processed Quantum Dot Solar Cells Reaching External Quantum Efficiency of 80% at 1.35 µm and Jsc in Excess of 34 mA cm−2

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/116682

dc.contributor	Universitat Politècnica de Catalunya. Institut de Ciències Fotòniques
dc.contributor.author	Bi, Yu
dc.contributor.author	Pradhan, Santanu
dc.contributor.author	Gupta, Shuchi
dc.contributor.author	Akgul, Mehmet Zafer
dc.contributor.author	Stavrinadis, Alexandros
dc.date	2018-01-08
dc.identifier.citation	Bi, Y. [et al.]. Infrared Solution‐Processed Quantum Dot Solar Cells Reaching External Quantum Efficiency of 80% at 1.35 µm and Jsc in Excess of 34 mA cm−2. "Advanced Materials", 8 Gener 2018, vol. 30, núm. 7.
dc.identifier.citation	1613-6810
dc.identifier.uri	http://hdl.handle.net/2117/116682
dc.language.iso	eng
dc.publisher	Wiley
dc.relation	https://onlinelibrary.wiley.com/doi/pdf/10.1002/adma.201704928
dc.relation	725165
dc.relation	MAT2014-56210-R
dc.relation	2014SGR1548
dc.relation	696656
dc.relation	SEV-2015-0522
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Física
dc.subject	Quantum dots
dc.subject	Quantum Dots
dc.subject	Òptica quàntica
dc.title	Infrared Solution‐Processed Quantum Dot Solar Cells Reaching External Quantum Efficiency of 80% at 1.35 µm and Jsc in Excess of 34 mA cm−2
dc.type	info:eu-repo/semantics/submittedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	Developing low‐cost photovoltaic absorbers that can harvest the short‐wave infrared (SWIR) part of the solar spectrum, which remains unharnessed by current Si‐based and perovskite photovoltaic technologies, is a prerequisite for making high‐efficiency, low‐cost tandem solar cells. Here, infrared PbS colloidal quantum dot (CQD) solar cells employing a hybrid inorganic–organic ligand exchange process that results in an external quantum efficiency of 80% at 1.35 µm are reported, leading to a short‐circuit current density of 34 mA cm−2 and a power conversion efficiency (PCE) up to 7.9%, which is a current record for SWIR CQD solar cells. When this cell is placed at the back of an MAPbI3 perovskite film, it delivers an extra 3.3% PCE by harnessing light beyond 750 nm.
dc.description.abstract	Peer Reviewed

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