Illan J. Kramer, David Zhitomirsky, John D. Bass, Philip M. Rice, Teya Topuria, Leslie Krupp, Susanna M. Thon, Alexander H. Ip, Ratan Debnath, Ho-Cheol Kim and Edward H. Sargent Ordered Nanopillar Structured Electrodes for Depleted Bulk Heterojunction Colloidal Quantum Dot Solar Cells Advanced Materials 24
Article first published online: 30 MAR 2012 | DOI: 10.1002/adma.201104832
A bulk heterojunction of ordered titania nanopillars and PbS colloidal quantum dots is developed. By using a pre-patterned template, an ordered titania nanopillar matrix with nearest neighbours 275 nm apart and height of 300 nm is fabricated and subsequently filled in with PbS colloidal quantum dots to form an ordered depleted bulk heterojunction exhibiting power conversion efficiency of 5.6%.
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