Solution-processed LiF for work function tuning in electrode bilayers
Aytun, Taner and Turak, Ayşe Zeren and Baikie, Iain D. and Halek, Grzegorz and Ow-Yang, Cleva W. (2012) Solution-processed LiF for work function tuning in electrode bilayers. Nano Letters, 12 (1). pp. 39-44. ISSN 1530-6984 (print) ; 1530-6992 (online)
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Official URL: http://dx.doi.org/10.1021/nl202838a
Although ambient processing is the key to low-cost organic solar cell production, high vacuum thermal evaporation of LiF is often a limiting step, motivating the exploration of solution processing of LiF as an alternative electrode interlayer. Sub-monolayer films are realized with the assistance of polymeric micelle reactors that enable LiF particle deposition with controlled nanoscale surface coverage. Scanning Kelvin probe reveals a work function tunable with nanoparticle coverage, with higher values than that of bare tin-doped indium oxide.
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