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Ordered Nanopillar Structured Electrodes for Depleted Bulk Heterojunction Colloidal Quantum Dot Solar Cells
Author(s) -
Kramer Illan J.,
Zhitomirsky David,
Bass John D.,
Rice Philip M.,
Topuria Teya,
Krupp Leslie,
Thon Susanna M.,
Ip Alexander H.,
Debnath Ratan,
Kim HoCheol,
Sargent Edward H.
Publication year - 2012
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201104832
Subject(s) - nanopillar , materials science , quantum dot , heterojunction , nanotechnology , optoelectronics , electrode , colloid , polymer solar cell , energy conversion efficiency , nanostructure , chemical engineering , engineering , chemistry
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%.