Ordered Nanopillar Structured Electrodes for Depleted Bulk Heterojunction Colloidal Quantum Dot Solar Cells

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, Edward H. Sargent

Research output: Contribution to journalArticlepeer-review

107 Scopus citations

Abstract

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%. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Original languageEnglish (US)
Pages (from-to)2315-2319
Number of pages5
JournalAdvanced Materials
Volume24
Issue number17
DOIs
StatePublished - Mar 30 2012
Externally publishedYes

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