| About this Abstract |
| Meeting |
2022 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advanced Functional and Structural Thin Films and Coatings
|
| Presentation Title |
NOW ON DEMAND: Enhancing Light Emission Properties of c-Si by Developing Stresses on Silicon Surface via Sol-gel Ceramic Coatings |
| Author(s) |
Ali Dhaif Allah Abdullah, El Mostafa Benchafia, Daneil Choi, Sufian Abedrabbo |
| On-Site Speaker (Planned) |
Ali Dhaif Allah Abdullah |
| Abstract Scope |
In this work, we present improved bandgap emission from CZ-Si facilitated by engineering special coatings known to perturb the Si bandgap that are prepared by one acid-catalyst and one base-catalyst. Comparative study for the two prepared sets of samples is presented. In particular, effect of catalyst-type and process parameters on the bandgap emission properties of c-Si will be shown. Presented data will include steady-state photoluminescence, variable angle spectroscopic ellipsometry results, atomic force microscopy and X-ray diffraction. Explanations for the varying luminescence intensities relation to various process parameters and film-dopant are given in light of strain-luminescence relation effect. Moreover, thickness of the films resulting from the sol-gel process will be related to the annealing temperatures. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Thin Films and Interfaces, Surface Modification and Coatings, Characterization |