Silica Microspheres for Economical Advanced Solar Applications

Solar cells made of silicon nanowires (Si-NWs) have several potential benefits over conventional bulk Si ones or thin-film devices related primarily to light absorption and cost reduction. Controlling the position of Si-NWs without lithography using silica microspheres is indeed an economical approa...

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Main Author: Maha M. Khayyat
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Crystals
Subjects:
Online Access:https://www.mdpi.com/2073-4352/11/11/1409
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author Maha M. Khayyat
author_facet Maha M. Khayyat
author_sort Maha M. Khayyat
collection DOAJ
description Solar cells made of silicon nanowires (Si-NWs) have several potential benefits over conventional bulk Si ones or thin-film devices related primarily to light absorption and cost reduction. Controlling the position of Si-NWs without lithography using silica microspheres is indeed an economical approach. Moreover, replacing the glass sheets with polycarbonates is an added advantage. This study employed the Nanoscale Chemical Templating (NCT) technique in growing Si-NWs seeded with Al. The growth was undertaken at the Chemical Vapor Deposition (CVD) reactor via the original growth process of vapor–liquid–solid (VLS). The bottom-up grown nanowires were doped with aluminum (Al) throughout the growth process, and then the p–n junctions were formed with descent efficiency. Further work is required to optimize the growth of Si-NWs between the spun microspheres based on the growth parameters including etching time, which should lead to more efficient PV cells.
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spelling doaj.art-435ae9c86f7f472e9bef138e675d538e2023-11-22T22:59:09ZengMDPI AGCrystals2073-43522021-11-011111140910.3390/cryst11111409Silica Microspheres for Economical Advanced Solar ApplicationsMaha M. Khayyat0Materials Science Research Institute, King Abdullaziz City for Science and Technology (KACST), P.O. Box 6086, Riyadh 11442, Saudi ArabiaSolar cells made of silicon nanowires (Si-NWs) have several potential benefits over conventional bulk Si ones or thin-film devices related primarily to light absorption and cost reduction. Controlling the position of Si-NWs without lithography using silica microspheres is indeed an economical approach. Moreover, replacing the glass sheets with polycarbonates is an added advantage. This study employed the Nanoscale Chemical Templating (NCT) technique in growing Si-NWs seeded with Al. The growth was undertaken at the Chemical Vapor Deposition (CVD) reactor via the original growth process of vapor–liquid–solid (VLS). The bottom-up grown nanowires were doped with aluminum (Al) throughout the growth process, and then the p–n junctions were formed with descent efficiency. Further work is required to optimize the growth of Si-NWs between the spun microspheres based on the growth parameters including etching time, which should lead to more efficient PV cells.https://www.mdpi.com/2073-4352/11/11/1409chemical vapor deposition (CVD)silicon (Si)nanowires (NWs)silica microspheresnanoscale chemical templating (NCT)photovoltaic (PV) cells
spellingShingle Maha M. Khayyat
Silica Microspheres for Economical Advanced Solar Applications
Crystals
chemical vapor deposition (CVD)
silicon (Si)
nanowires (NWs)
silica microspheres
nanoscale chemical templating (NCT)
photovoltaic (PV) cells
title Silica Microspheres for Economical Advanced Solar Applications
title_full Silica Microspheres for Economical Advanced Solar Applications
title_fullStr Silica Microspheres for Economical Advanced Solar Applications
title_full_unstemmed Silica Microspheres for Economical Advanced Solar Applications
title_short Silica Microspheres for Economical Advanced Solar Applications
title_sort silica microspheres for economical advanced solar applications
topic chemical vapor deposition (CVD)
silicon (Si)
nanowires (NWs)
silica microspheres
nanoscale chemical templating (NCT)
photovoltaic (PV) cells
url https://www.mdpi.com/2073-4352/11/11/1409
work_keys_str_mv AT mahamkhayyat silicamicrospheresforeconomicaladvancedsolarapplications