The Synthesis and Characterization of CdS Nanostructures Using a SiO<sub>2</sub>/Si Ion-Track Template
In the present work, we present the process of preparing CdS nanostructures based on templating synthesis using chemical deposition (CD) on a SiO<sub>2</sub>/Si substrate. A 0.7 μm thick silicon dioxide film was thermally prepared on the surface of an n-type conduction Si wafer, followed...
Saved in:
| Main Authors: | , , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2024-12-01
|
| Series: | Crystals |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2073-4352/14/12/1091 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1846105132918374400 |
|---|---|
| author | Aiman Akylbekova Kyzdarkhan Mantiyeva Alma Dauletbekova Abdirash Akilbekov Zein Baimukhanov Liudmila Vlasukova Gulnara Aralbayeva Ainash Abdrakhmetova Assyl-Dastan Bazarbek Fariza Abdihalikova |
| author_facet | Aiman Akylbekova Kyzdarkhan Mantiyeva Alma Dauletbekova Abdirash Akilbekov Zein Baimukhanov Liudmila Vlasukova Gulnara Aralbayeva Ainash Abdrakhmetova Assyl-Dastan Bazarbek Fariza Abdihalikova |
| author_sort | Aiman Akylbekova |
| collection | DOAJ |
| description | In the present work, we present the process of preparing CdS nanostructures based on templating synthesis using chemical deposition (CD) on a SiO<sub>2</sub>/Si substrate. A 0.7 μm thick silicon dioxide film was thermally prepared on the surface of an n-type conduction Si wafer, followed by the creation of latent ion tracks on the film by irradiating them with swift heavy Xe ions with an energy of 231 MeV and a fluence of 10<sup>8</sup> cm<sup>−2</sup>. As a result of etching in hydrofluoric acid solution (4%), pores in the form of truncated cones with different diameters were formed. The filling of the nanopores with cadmium sulfide was carried out via templated synthesis using CD methods on a SiO<sub>2 nanopores</sub>/Si substrate for 20–40 min. After CdS synthesis, the surfaces of nanoporous SiO<sub>2 nanopores</sub>/Si were examined using a scanning electron microscope to determine the pore sizes and the degree of pore filling. The crystal structure of the filled silica nanopores was investigated using X-ray diffraction, which showed CdS nanocrystals with an orthorhombic structure with symmetry group 59 Pmmn observed at 2θ angles of 61. 48° and 69.25°. Photoluminescence spectra were recorded at room temperature in the spectral range of 300–800 nm at an excitation wavelength of 240 nm, where emission bands centered around 2.53 eV, 2.45 eV, and 2.37 eV were detected. The study of the CVCs showed that, with increasing forward bias voltage, there was a significant increase in the forward current in the samples with a high degree of occupancy of CdS nanoparticles, which showed the one-way electronic conductivity of CdS/SiO<sub>2</sub>/Si nanostructures. For the first time, CdS nanostructures with orthorhombic crystal structure were obtained using track templating synthesis, and the density of electronic states was modeled using quantum–chemical calculations. Comparative analysis of experimental and calculated data of nanostructure parameters showed good agreement and are confirmed by the results of other authors. |
| format | Article |
| id | doaj-art-4e2835beef334bfdb0e43742f248d1fd |
| institution | Kabale University |
| issn | 2073-4352 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Crystals |
| spelling | doaj-art-4e2835beef334bfdb0e43742f248d1fd2024-12-27T14:19:52ZengMDPI AGCrystals2073-43522024-12-011412109110.3390/cryst14121091The Synthesis and Characterization of CdS Nanostructures Using a SiO<sub>2</sub>/Si Ion-Track TemplateAiman Akylbekova0Kyzdarkhan Mantiyeva1Alma Dauletbekova2Abdirash Akilbekov3Zein Baimukhanov4Liudmila Vlasukova5Gulnara Aralbayeva6Ainash Abdrakhmetova7Assyl-Dastan Bazarbek8Fariza Abdihalikova9Faculty of Physics and Technology, L.N. Gumilyov Eurasian National University, 2 Satbaev Str., Astana 010008, KazakhstanFaculty of Physics and Technology, L.N. Gumilyov Eurasian National University, 2 Satbaev Str., Astana 010008, KazakhstanFaculty of Physics and Technology, L.N. Gumilyov Eurasian National University, 2 Satbaev Str., Astana 010008, KazakhstanFaculty of Physics and Technology, L.N. Gumilyov Eurasian National University, 2 Satbaev Str., Astana 010008, KazakhstanFaculty of Physics and Technology, L.N. Gumilyov Eurasian National University, 2 Satbaev Str., Astana 010008, KazakhstanFaculty of Radiophysics and Computer Technologies, Belarusian State University, Kurchatov Street 5, 220045 Minsk, BelarusFaculty of Physics and Technology, L.N. Gumilyov Eurasian National University, 2 Satbaev Str., Astana 010008, KazakhstanFaculty of Physics and Technology, L.N. Gumilyov Eurasian National University, 2 Satbaev Str., Astana 010008, KazakhstanFaculty of Physics and Technology, L.N. Gumilyov Eurasian National University, 2 Satbaev Str., Astana 010008, KazakhstanFaculty of Physics and Technology, L.N. Gumilyov Eurasian National University, 2 Satbaev Str., Astana 010008, KazakhstanIn the present work, we present the process of preparing CdS nanostructures based on templating synthesis using chemical deposition (CD) on a SiO<sub>2</sub>/Si substrate. A 0.7 μm thick silicon dioxide film was thermally prepared on the surface of an n-type conduction Si wafer, followed by the creation of latent ion tracks on the film by irradiating them with swift heavy Xe ions with an energy of 231 MeV and a fluence of 10<sup>8</sup> cm<sup>−2</sup>. As a result of etching in hydrofluoric acid solution (4%), pores in the form of truncated cones with different diameters were formed. The filling of the nanopores with cadmium sulfide was carried out via templated synthesis using CD methods on a SiO<sub>2 nanopores</sub>/Si substrate for 20–40 min. After CdS synthesis, the surfaces of nanoporous SiO<sub>2 nanopores</sub>/Si were examined using a scanning electron microscope to determine the pore sizes and the degree of pore filling. The crystal structure of the filled silica nanopores was investigated using X-ray diffraction, which showed CdS nanocrystals with an orthorhombic structure with symmetry group 59 Pmmn observed at 2θ angles of 61. 48° and 69.25°. Photoluminescence spectra were recorded at room temperature in the spectral range of 300–800 nm at an excitation wavelength of 240 nm, where emission bands centered around 2.53 eV, 2.45 eV, and 2.37 eV were detected. The study of the CVCs showed that, with increasing forward bias voltage, there was a significant increase in the forward current in the samples with a high degree of occupancy of CdS nanoparticles, which showed the one-way electronic conductivity of CdS/SiO<sub>2</sub>/Si nanostructures. For the first time, CdS nanostructures with orthorhombic crystal structure were obtained using track templating synthesis, and the density of electronic states was modeled using quantum–chemical calculations. Comparative analysis of experimental and calculated data of nanostructure parameters showed good agreement and are confirmed by the results of other authors.https://www.mdpi.com/2073-4352/14/12/1091CdS nanostructureschemical depositionSiO<sub>2</sub>/Si substrateSHInanoporous SiO<sub>2</sub>CdS/SiO<sub>2</sub>/Si structures |
| spellingShingle | Aiman Akylbekova Kyzdarkhan Mantiyeva Alma Dauletbekova Abdirash Akilbekov Zein Baimukhanov Liudmila Vlasukova Gulnara Aralbayeva Ainash Abdrakhmetova Assyl-Dastan Bazarbek Fariza Abdihalikova The Synthesis and Characterization of CdS Nanostructures Using a SiO<sub>2</sub>/Si Ion-Track Template Crystals CdS nanostructures chemical deposition SiO<sub>2</sub>/Si substrate SHI nanoporous SiO<sub>2</sub> CdS/SiO<sub>2</sub>/Si structures |
| title | The Synthesis and Characterization of CdS Nanostructures Using a SiO<sub>2</sub>/Si Ion-Track Template |
| title_full | The Synthesis and Characterization of CdS Nanostructures Using a SiO<sub>2</sub>/Si Ion-Track Template |
| title_fullStr | The Synthesis and Characterization of CdS Nanostructures Using a SiO<sub>2</sub>/Si Ion-Track Template |
| title_full_unstemmed | The Synthesis and Characterization of CdS Nanostructures Using a SiO<sub>2</sub>/Si Ion-Track Template |
| title_short | The Synthesis and Characterization of CdS Nanostructures Using a SiO<sub>2</sub>/Si Ion-Track Template |
| title_sort | synthesis and characterization of cds nanostructures using a sio sub 2 sub si ion track template |
| topic | CdS nanostructures chemical deposition SiO<sub>2</sub>/Si substrate SHI nanoporous SiO<sub>2</sub> CdS/SiO<sub>2</sub>/Si structures |
| url | https://www.mdpi.com/2073-4352/14/12/1091 |
| work_keys_str_mv | AT aimanakylbekova thesynthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT kyzdarkhanmantiyeva thesynthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT almadauletbekova thesynthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT abdirashakilbekov thesynthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT zeinbaimukhanov thesynthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT liudmilavlasukova thesynthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT gulnaraaralbayeva thesynthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT ainashabdrakhmetova thesynthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT assyldastanbazarbek thesynthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT farizaabdihalikova thesynthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT aimanakylbekova synthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT kyzdarkhanmantiyeva synthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT almadauletbekova synthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT abdirashakilbekov synthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT zeinbaimukhanov synthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT liudmilavlasukova synthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT gulnaraaralbayeva synthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT ainashabdrakhmetova synthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT assyldastanbazarbek synthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate AT farizaabdihalikova synthesisandcharacterizationofcdsnanostructuresusingasiosub2subsiiontracktemplate |