Synthesis and performance evaluation of ZnO/CdS photoanodes with copper sulfide (Cu2S) and carbon counter electrodes
Abstract The present study demonstrates the synthesis of compact ZnO layers using CdS sensitized on ZnO as a photoanode with copper sulfide (Cu2S) and carbon as a counter electrode (CE). In this study, a compact ZnO layer was fabricated using the simple and low-cost successive ionic layer adsorption...
Saved in:
| Main Authors: | , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Nature Portfolio
2024-12-01
|
| Series: | Scientific Reports |
| Subjects: | |
| Online Access: | https://doi.org/10.1038/s41598-024-74687-9 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1841559446405251072 |
|---|---|
| author | Pooja B. More Chaitali V. Jagtap Vishal S. Kadam Mu. Naushad Nithesh Naik Pavan Hiremath Habib M. Pathan |
| author_facet | Pooja B. More Chaitali V. Jagtap Vishal S. Kadam Mu. Naushad Nithesh Naik Pavan Hiremath Habib M. Pathan |
| author_sort | Pooja B. More |
| collection | DOAJ |
| description | Abstract The present study demonstrates the synthesis of compact ZnO layers using CdS sensitized on ZnO as a photoanode with copper sulfide (Cu2S) and carbon as a counter electrode (CE). In this study, a compact ZnO layer was fabricated using the simple and low-cost successive ionic layer adsorption and reaction (SILAR) method, and Cu2S CE films were synthesized using the chemical bath deposition method. Various characterizations, such as X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS), confirmed the formation of ZnO and CdS sensitizations on the ZnO . UV-visible spectroscopy revealed that the bandgaps of the ZnO and Cu2S films were 3.2 and 1.3 eV, respectively. Furthermore, the morphology of the ZnO films was optimized by varying the number of SILAR cycles. Scanning electron microscopy revealed the formation of a nanorod compact layer (CL) and the porous nature of the ZnO photoanode films. However, the porosity increased with the number of SILAR cycles. Various parameters, such as the current density, voltage, fill factor, and efficiency, were measured using the J-V characteristics. The highest 0.85% efficiency was achieved by using the ZnO compact film with 30 SILAR cycles for the Cu2S CE. Furthermore, the study revealed that the Cu2S counter electrode had a higher electrocatalytic response than the carbon CE. |
| format | Article |
| id | doaj-art-8889fed83ce848ddbd27c3e797133ee1 |
| institution | Kabale University |
| issn | 2045-2322 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-8889fed83ce848ddbd27c3e797133ee12025-01-05T12:27:55ZengNature PortfolioScientific Reports2045-23222024-12-0114111610.1038/s41598-024-74687-9Synthesis and performance evaluation of ZnO/CdS photoanodes with copper sulfide (Cu2S) and carbon counter electrodesPooja B. More0Chaitali V. Jagtap1Vishal S. Kadam2Mu. Naushad3Nithesh Naik4Pavan Hiremath5Habib M. Pathan6Advanced Physics Laboratory, Department of Physics, Savitribai Phule Pune UniversityAdvanced Physics Laboratory, Department of Physics, Savitribai Phule Pune UniversityAdvanced Physics Laboratory, Department of Physics, Savitribai Phule Pune UniversityDepartment of Chemistry, College of Science, King Saud UniversityDepartment of Mechanical and Industrial Engineering Manipal Institute of Technology, Manipal Academy of Higher EducationDepartment of Mechanical and Industrial Engineering Manipal Institute of Technology, Manipal Academy of Higher EducationAdvanced Physics Laboratory, Department of Physics, Savitribai Phule Pune UniversityAbstract The present study demonstrates the synthesis of compact ZnO layers using CdS sensitized on ZnO as a photoanode with copper sulfide (Cu2S) and carbon as a counter electrode (CE). In this study, a compact ZnO layer was fabricated using the simple and low-cost successive ionic layer adsorption and reaction (SILAR) method, and Cu2S CE films were synthesized using the chemical bath deposition method. Various characterizations, such as X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS), confirmed the formation of ZnO and CdS sensitizations on the ZnO . UV-visible spectroscopy revealed that the bandgaps of the ZnO and Cu2S films were 3.2 and 1.3 eV, respectively. Furthermore, the morphology of the ZnO films was optimized by varying the number of SILAR cycles. Scanning electron microscopy revealed the formation of a nanorod compact layer (CL) and the porous nature of the ZnO photoanode films. However, the porosity increased with the number of SILAR cycles. Various parameters, such as the current density, voltage, fill factor, and efficiency, were measured using the J-V characteristics. The highest 0.85% efficiency was achieved by using the ZnO compact film with 30 SILAR cycles for the Cu2S CE. Furthermore, the study revealed that the Cu2S counter electrode had a higher electrocatalytic response than the carbon CE.https://doi.org/10.1038/s41598-024-74687-9Counter electrodeCompact layerElectrolyteZnO filmsCu2S films |
| spellingShingle | Pooja B. More Chaitali V. Jagtap Vishal S. Kadam Mu. Naushad Nithesh Naik Pavan Hiremath Habib M. Pathan Synthesis and performance evaluation of ZnO/CdS photoanodes with copper sulfide (Cu2S) and carbon counter electrodes Scientific Reports Counter electrode Compact layer Electrolyte ZnO films Cu2S films |
| title | Synthesis and performance evaluation of ZnO/CdS photoanodes with copper sulfide (Cu2S) and carbon counter electrodes |
| title_full | Synthesis and performance evaluation of ZnO/CdS photoanodes with copper sulfide (Cu2S) and carbon counter electrodes |
| title_fullStr | Synthesis and performance evaluation of ZnO/CdS photoanodes with copper sulfide (Cu2S) and carbon counter electrodes |
| title_full_unstemmed | Synthesis and performance evaluation of ZnO/CdS photoanodes with copper sulfide (Cu2S) and carbon counter electrodes |
| title_short | Synthesis and performance evaluation of ZnO/CdS photoanodes with copper sulfide (Cu2S) and carbon counter electrodes |
| title_sort | synthesis and performance evaluation of zno cds photoanodes with copper sulfide cu2s and carbon counter electrodes |
| topic | Counter electrode Compact layer Electrolyte ZnO films Cu2S films |
| url | https://doi.org/10.1038/s41598-024-74687-9 |
| work_keys_str_mv | AT poojabmore synthesisandperformanceevaluationofznocdsphotoanodeswithcoppersulfidecu2sandcarboncounterelectrodes AT chaitalivjagtap synthesisandperformanceevaluationofznocdsphotoanodeswithcoppersulfidecu2sandcarboncounterelectrodes AT vishalskadam synthesisandperformanceevaluationofznocdsphotoanodeswithcoppersulfidecu2sandcarboncounterelectrodes AT munaushad synthesisandperformanceevaluationofznocdsphotoanodeswithcoppersulfidecu2sandcarboncounterelectrodes AT nitheshnaik synthesisandperformanceevaluationofznocdsphotoanodeswithcoppersulfidecu2sandcarboncounterelectrodes AT pavanhiremath synthesisandperformanceevaluationofznocdsphotoanodeswithcoppersulfidecu2sandcarboncounterelectrodes AT habibmpathan synthesisandperformanceevaluationofznocdsphotoanodeswithcoppersulfidecu2sandcarboncounterelectrodes |