Publication: Fabrication And Characterization Of Black Silicon For Heterojunction Solar Cells
| dc.contributor.author | Abdulkadir, Auwal | |
| dc.date.accessioned | 2023-10-19T06:49:15Z | |
| dc.date.available | 2023-10-19T06:49:15Z | |
| dc.date.issued | 2022-01 | |
| dc.description.abstract | Black silicon (b-Si) is a promising technology that reduces broadband reflection within 300-1100 nm wavelength region and improves light absorption in crystalline silicon (c-Si). B-Si consists of a surface with random nanowires or a combination of nanowires and microtextures (hybrid textures) which leads to a refractive index grading effect at the air/c-Si interface. In this work, electroless metal-assisted chemical etching (MACE) is used to fabricate b-Si. One-step MACE, two-step MACE and hybrid microtextures/nanotextures investigating different effects such as etching time, etchants concentration, silver nanoparticles (Ag NPs) layer thickness towards surface morphological and optical properties (within 300-1100 nm wavelength region) of the b-Si are carried out. Two step MACE involve shorter AgNO3:HF dip time. The hybrid texturing involves prior etching in NaOH to produce pyramids. For one-step MACE, nanowires with an average length of ~2.9 μm and an average diameter of ~120 nm are demonstrated. Weighted average reflection (WAR) of 6.0% has been realized. For two-step MACE, nanowires with an average length of 577 nm and diameter of ~200 nm are produced with WAR of ~5.5%. | |
| dc.identifier.uri | https://erepo.usm.my/handle/123456789/17698 | |
| dc.subject | Fabrication And Characterization Of Black Silicon | |
| dc.subject | Heterojunction Solar Cells | |
| dc.title | Fabrication And Characterization Of Black Silicon For Heterojunction Solar Cells | |
| dc.type | Resource Types::text::thesis::doctoral thesis | |
| dspace.entity.type | Publication | |
| oairecerif.author.affiliation | Universiti Sains Malaysia |