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Tuning the Work Function of Gold with Self-Assembled Monolayers Derived from X−[C6H4−C⋮C−]nC6H4−SH (n = 0, 1, 2; X = H, F, CH3, CF3, and OCH3)
Abstract
Changes in the work function of gold, ΔΦ Au, induced by the formation of chemisorbed self-assembled monolayers derived from the series of titled arenethiol adsorbates X − (C 6 H 4 − C⋮C−) n C 6 H 4 −SH ( 1, n = 0; 2, n = 1; 3, n = 2) have been measured by the Kelvin probe method. An analysis of these data indicates that variation in work function for a given chain length can be effectively modeled with two dipole sheets, as has been shown for other classes of self-assembled monolayers. Importantly, it is shown that monolayers of class 1 produce larger relative changes in work function for a given substituent X than those of either 2 or 3, presumably as a result of the larger polarizability of the longer chains present in the latter. Accordingly, these commercially available adsorbates are attractive for use in device applications requiring work function modification.
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Cited by
Energy Level Modification in Lead Sulfide Quantum Dot Thin Films through Ligand Exchange
Brown, P. R., Kim, D., Lunt, R. R., Zhao, N., Bawendi, M. G., Grossman, J. C., & Bulović, V. (2014) · ACS Nano · doi:10.1021/nn500897c · Cited by 1,105
Self-assembled monolayers in organic electronics
Casalini, S., Bortolotti, C. A., Leonardi, F., & Biscarini, F. (2017) · Chemical Society Reviews · doi:10.1039/c6cs00509h · Cited by 608
Understanding Odd−Even Effects in Organic Self-Assembled Monolayers
Tao, F., & Bernasek, S. L. (2007) · Chemical Reviews · doi:10.1021/cr050258d · Cited by 397
Tolkki, A., Kaunisto, K., Efimov, A., Kivistö, H., Storbacka, L., Savikoski, R., Huttunen, K., Lehtimäki, S., & Lemmetyinen, H. (2012) · Physical Chemistry Chemical Physics · doi:10.1039/c2cp24022j · Cited by 18
Metadata
- Authors
- Zehner, R. W., Parsons, B. F., Hsung, R. P., & Sita, L. R.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 1999-01-09
- Volume
- 15
- Issue
- 4
- Pages
- 1121-1127
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2002300218
- Cited by
- 233
- References
- 0
- FWCI
- 10.68
- Type
- journal article
- Language
- en
- Open access
- closed
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