Interface Behaviour and Work Function Modification of Self-Assembled Monolayers on Sn-Doped In2O3
Abstract
:1. Introduction
2. Experimental
3. Results and Discussion
3.1. Oriented ITO Films
3.2. ITO Surface Potentials
3.3. Adsorption of 4-DMABA
3.4. Dependence on Surface Orientation and Treatment
4. Summary and Conclusions
Author Contributions
Funding
Conflicts of Interest
Abbreviations
4-DMABA | 4-(Dimethylamino)benzoic acid |
ITO | Sn-doped In2O3 |
YSZ | Y-stabilized zirconia (ZrO:Y) |
HOMO | higher occupied molecular orbital |
VBM | valence band maximum |
SAM | self-assembled monolayer |
XPS | X-ray photoelectron spectroscopy |
UPS | ultraviolet photoelectron spectroscopy |
XRD | X-ray diffraction |
AFM | atomic force microscopy |
SEM | scanning electron microscopy |
References
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# | Substrate | Gas | T in C | Treat | in | in | in | |||
---|---|---|---|---|---|---|---|---|---|---|
Dep | Treat | Dep | Treat | Dep | Treat | |||||
1 | YSZ | Ar | 400 | 3.1 | 4.5 | 7.6 | ||||
2 | YSZ | Ar | 400 | 3.1 | 4.5 | 7.6 | ||||
3 | YSZ | Ar | 400 | 3.1 | 4.6 | 7.6 | ||||
4 | YSZ | Ar/O | 400 | 2.8 | 5.0 | 7.8 | ||||
5 | YSZ | Ar/O | 400 | 2.8 | 5.0 | 7.8 | ||||
6 | YSZ | Ar/O | 400 | 2.8 | 5.0 | 7.8 | ||||
7 | quartz | Ar/O | 400 | 2.8 | 4.9 | 7.8 | ||||
8 | quartz | Ar | 25 | O-Plasma | 2.8 | 2.4 | 5.4 | 6.0 | 8.2 | 8.3 |
9 | quartz | Ar | 25 | Ar-Ion | 2.8 | 3.2 | 4.5 | 4.4 | 7.4 | 7.4 |
10 | quartz | Ar | 25 | HO-vapor | 2.5 | 3.1 | 4.9 | 4.7 | 7.3 | 7.2 |
11 | quartz | Ar | 25 | 3.1 | 5.0 | 7.5 | ||||
12 | quartz | Ar | 400 | 3.1 | 4.6 | 7.7 | ||||
13 | quartz | Ar | 400 | 3.2 | 4.4 | 7.6 | ||||
14 | quartz | Ar/O | 400 | HO-vapor | 2.6 | 3.2 | 5.1 | 4.3 | 7.7 | 7.3 |
15 | quartz | Ar/O | 400 | Ar-Ion | 2.6 | 3.2 | 5.1 | 4.3 | 7.7 | 7.4 |
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Hubmann, A.H.; Dietz, D.; Brötz, J.; Klein, A. Interface Behaviour and Work Function Modification of Self-Assembled Monolayers on Sn-Doped In2O3. Surfaces 2019, 2, 241-256. https://doi.org/10.3390/surfaces2020019
Hubmann AH, Dietz D, Brötz J, Klein A. Interface Behaviour and Work Function Modification of Self-Assembled Monolayers on Sn-Doped In2O3. Surfaces. 2019; 2(2):241-256. https://doi.org/10.3390/surfaces2020019
Chicago/Turabian StyleHubmann, Andreas H., Dominik Dietz, Joachim Brötz, and Andreas Klein. 2019. "Interface Behaviour and Work Function Modification of Self-Assembled Monolayers on Sn-Doped In2O3" Surfaces 2, no. 2: 241-256. https://doi.org/10.3390/surfaces2020019