Formation and Evaluation of Au/ZnO Particles by a Spray Pyrolysis Method
ZnO/Au is expected to exhibit catalytic properties by absorbing ultraviolet and visible light because ZnO and Au nanoparticles can absorb ultraviolet and visible light, respectively. Doping studies on Au nanoparticles on ZnO (ZnO/Au) have been conducted to expand the absorption wavelength range. Thi...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
EDP Sciences
2021-01-01
|
| Series: | MATEC Web of Conferences |
| Online Access: | https://www.matec-conferences.org/articles/matecconf/pdf/2021/02/matecconf_apcche21_02010.pdf |
| _version_ | 1818614092598870016 |
|---|---|
| author | Lee Youngjun Fujimoto Toshiyuki Yamanaka Shinya Kuga Yoshikazu |
| author_facet | Lee Youngjun Fujimoto Toshiyuki Yamanaka Shinya Kuga Yoshikazu |
| author_sort | Lee Youngjun |
| collection | DOAJ |
| description | ZnO/Au is expected to exhibit catalytic properties by absorbing ultraviolet and visible light because ZnO and Au nanoparticles can absorb ultraviolet and visible light, respectively. Doping studies on Au nanoparticles on ZnO (ZnO/Au) have been conducted to expand the absorption wavelength range. This study generates ZnO/Au particles by an ultrasonic spray pyrolysis method (USP). To prevent particle aggregation, Triton X-100, a non-ionic surfactant, is added, and its effects are examined. The generated ZnO/Au particles are characterized using different methods. SEM reveals the particle size is several micrometers, while XRD analysis indicates that ZnO and a metallic Au crystalline are present. The TEM images of the particles show that the Au crystals are well dispersed in the inner and outer portions of ZnO. UV-Vis spectroscopy confirms that the smaller the Au particle size, the higher the visible absorption peak near 400 nm. Adding Triton X-100 shifts the absorption peak toward the longer wavelength side but improves the aggregation of Au particles. |
| first_indexed | 2024-12-16T16:12:31Z |
| format | Article |
| id | doaj.art-d867bdc3aad14d79972a8d32c0a5be37 |
| institution | Directory Open Access Journal |
| issn | 2261-236X |
| language | English |
| last_indexed | 2024-12-16T16:12:31Z |
| publishDate | 2021-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | MATEC Web of Conferences |
| spelling | doaj.art-d867bdc3aad14d79972a8d32c0a5be372022-12-21T22:25:11ZengEDP SciencesMATEC Web of Conferences2261-236X2021-01-013330201010.1051/matecconf/202133302010matecconf_apcche21_02010Formation and Evaluation of Au/ZnO Particles by a Spray Pyrolysis MethodLee Youngjun0Fujimoto Toshiyuki1Yamanaka Shinya2Kuga Yoshikazu3Division of Engineering, Muroran Institute of TechnologyCollege of Environmental Technology, Muroran Institute of TechnologyCollege of Environmental Technology, Muroran Institute of TechnologyMuroran Institute of TechnologyZnO/Au is expected to exhibit catalytic properties by absorbing ultraviolet and visible light because ZnO and Au nanoparticles can absorb ultraviolet and visible light, respectively. Doping studies on Au nanoparticles on ZnO (ZnO/Au) have been conducted to expand the absorption wavelength range. This study generates ZnO/Au particles by an ultrasonic spray pyrolysis method (USP). To prevent particle aggregation, Triton X-100, a non-ionic surfactant, is added, and its effects are examined. The generated ZnO/Au particles are characterized using different methods. SEM reveals the particle size is several micrometers, while XRD analysis indicates that ZnO and a metallic Au crystalline are present. The TEM images of the particles show that the Au crystals are well dispersed in the inner and outer portions of ZnO. UV-Vis spectroscopy confirms that the smaller the Au particle size, the higher the visible absorption peak near 400 nm. Adding Triton X-100 shifts the absorption peak toward the longer wavelength side but improves the aggregation of Au particles.https://www.matec-conferences.org/articles/matecconf/pdf/2021/02/matecconf_apcche21_02010.pdf |
| spellingShingle | Lee Youngjun Fujimoto Toshiyuki Yamanaka Shinya Kuga Yoshikazu Formation and Evaluation of Au/ZnO Particles by a Spray Pyrolysis Method MATEC Web of Conferences |
| title | Formation and Evaluation of Au/ZnO Particles by a Spray Pyrolysis Method |
| title_full | Formation and Evaluation of Au/ZnO Particles by a Spray Pyrolysis Method |
| title_fullStr | Formation and Evaluation of Au/ZnO Particles by a Spray Pyrolysis Method |
| title_full_unstemmed | Formation and Evaluation of Au/ZnO Particles by a Spray Pyrolysis Method |
| title_short | Formation and Evaluation of Au/ZnO Particles by a Spray Pyrolysis Method |
| title_sort | formation and evaluation of au zno particles by a spray pyrolysis method |
| url | https://www.matec-conferences.org/articles/matecconf/pdf/2021/02/matecconf_apcche21_02010.pdf |
| work_keys_str_mv | AT leeyoungjun formationandevaluationofauznoparticlesbyaspraypyrolysismethod AT fujimototoshiyuki formationandevaluationofauznoparticlesbyaspraypyrolysismethod AT yamanakashinya formationandevaluationofauznoparticlesbyaspraypyrolysismethod AT kugayoshikazu formationandevaluationofauznoparticlesbyaspraypyrolysismethod |