Electron acceptor materials engineering in colloidal quantum dot solar cells

Huan Liu; Jiang Tang; Illan J Kramer; Ratan Debnath; Ghada I Koleilat; Xihua Wang; Armin Fisher; Rui Li; Lukasz Brzozowski; Larissa Levina; Edward H Sargent

doi:10.1002/adma.201101783

Electron acceptor materials engineering in colloidal quantum dot solar cells

Adv Mater. 2011 Sep 1;23(33):3832-7. doi: 10.1002/adma.201101783. Epub 2011 Jul 15.

Authors

Huan Liu¹, Jiang Tang, Illan J Kramer, Ratan Debnath, Ghada I Koleilat, Xihua Wang, Armin Fisher, Rui Li, Lukasz Brzozowski, Larissa Levina, Edward H Sargent

Affiliation

¹ Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Rd., Toronto, Ontario M5S 3G4, Canada; Department of Electronic Science and Technology, Huazhong University of Science and Technology, 1037 Luoyu Rd., Wuhan, Hubei 430074, China.

PMID: 21766353
DOI: 10.1002/adma.201101783

Abstract

Lead sulfide colloidal quantum dot (CQD) solar cells with a solar power conversion efficiency of 5.6% are reported. The result is achieved through careful optimization of the titanium dioxide electrode that serves as the electron acceptor. Metal-ion-doped sol-gel-derived titanium dioxide electrodes produce a tunable-bandedge, well-passivated materials platform for CQD solar cell optimization.

Keywords: colloidal quantum dots; doping; photovoltaics; titanium dioxide.

Publication types

Research Support, Non-U.S. Gov't