Optoelectronics applications of electrodeposited p- and n-type Al2Se3 thin films
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Sep 02, 2021
About this article
Published Online: Sep 02, 2021
Page range: 166 - 171
Received: Feb 20, 2021
Accepted: Feb 25, 2021
DOI: https://doi.org/10.2478/msp-2021-0011
Keywords
© 2021 A. A. Faremi et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
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Film thickness values with the variation in the time of deposition and cathodic potential_
| Film thickness as the time of deposition increases | Film thickness as the cathodic potential increases | ||
|---|---|---|---|
| Time (min) | Thickness (nm) | Cathodic potential (mV) | Thickness (nm) |
| 3 | 193 | 1,000 | 234 |
| 6 | 233 | 1,100 | 344 |
| 9 | 399 | 1,200 | 522 |
| 12 | 476 | 1,300 | 714 |
| 15 | 592 | 1,400 | 773 |
Measured material properties as a function of deposition time and cathodic potential based on UV and PEC results_
| Semiconductor type and energy band gaps | |||||
|---|---|---|---|---|---|
| As time of deposition increases | As voltage increases | ||||
| Time (min) | Type | Eg (eV) | Cathodic potential (mV) | Type | Eg (eV) |
| 3 | N | 3.30 | 1,000 | P | 3.23 |
| 6 | N | 3.19 | 1,100 | I-Intrinsic | 3.20 |
| 9 | N | 2.83 | 1,200 | N | 3.00 |
| 12 | N | 2.79 | 1,300 | N | 2.96 |
| 15 | N | 2.70 | 1,400 | N | 2.95 |