UV-VISIBLE OPTICAL ABSORBANCE OF GRAPHENE OXIDE IN COPPER IONIC LIQUID SYNTHESIZED VIA ELECTROCHEMICAL METHOD ASSISTED BY A COPPER COIL
An optical absorbance study using Ultraviolet-Visible (UV-Vis) spectrophotometer device has been conducted on graphene oxide (GO) in copper (Cu) ionic liquid using electrochemical exfoliation combined with a direct current (DC) electrical circuit of copper coil given inside the electrolyte solution....
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| Format: | Article |
| Language: | English |
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Universitas Negeri Jakarta
2018-08-01
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| Series: | Spektra: Jurnal Fisika dan Aplikasinya |
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| Online Access: | https://journal.unj.ac.id/unj/index.php/spektra/article/view/7120 |
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| author | Wipsar Sunu Brams Dwandaru Oktiana Lusi Priyani Bagas Prakoso Rhyko Irawan Wisnuwijaya Iman Santoso Arif Rahman |
| author_facet | Wipsar Sunu Brams Dwandaru Oktiana Lusi Priyani Bagas Prakoso Rhyko Irawan Wisnuwijaya Iman Santoso Arif Rahman |
| author_sort | Wipsar Sunu Brams Dwandaru |
| collection | DOAJ |
| description | An optical absorbance study using Ultraviolet-Visible (UV-Vis) spectrophotometer device has been conducted on graphene oxide (GO) in copper (Cu) ionic liquid using electrochemical exfoliation combined with a direct current (DC) electrical circuit of copper coil given inside the electrolyte solution. The electrolyte solutions used are sulfuric acid (H2SO4) and chloride acid (HCl). The UV-Vis spectrum of the samples shows absorbance peaks at around 214 nm to 218 nm and shouldering peaks around 245 nm to 249 nm. The first peak corresponds to the existence of copper (Cu) ionic liquid in the solution, whereas the shouldering peak is related to the occurrence of GO material. A comparison between UV-Vis spectral of graphite in dimethylformamide (DMF) and GO in Cu ionic liquid in DMF resulted in the existence of a blue shift which signifies the production of Cu ionic liquid from the Cu coils inside the electrolyte solution. Increasing the concentration of the solution increases the absorbance peaks. Furthermore, raising the number of loops yields in the increase of the absorbance value at the first peaks that show Cu ionic liquid, but tends to decrease the absorbance value of the shouldering peaks of the GO material. |
| format | Article |
| id | doaj-art-17cdd9655eb6494cb733355fdd32d671 |
| institution | OA Journals |
| issn | 2541-3384 2541-3392 |
| language | English |
| publishDate | 2018-08-01 |
| publisher | Universitas Negeri Jakarta |
| record_format | Article |
| series | Spektra: Jurnal Fisika dan Aplikasinya |
| spelling | doaj-art-17cdd9655eb6494cb733355fdd32d6712025-08-20T01:59:04ZengUniversitas Negeri JakartaSpektra: Jurnal Fisika dan Aplikasinya2541-33842541-33922018-08-0132859210.21009/SPEKTRA.032.025436UV-VISIBLE OPTICAL ABSORBANCE OF GRAPHENE OXIDE IN COPPER IONIC LIQUID SYNTHESIZED VIA ELECTROCHEMICAL METHOD ASSISTED BY A COPPER COILWipsar Sunu Brams Dwandaru0Oktiana Lusi Priyani1Bagas Prakoso2Rhyko Irawan Wisnuwijaya3Iman Santoso4Arif Rahman5Physics Education Department, Faculty of Mathematics and Natural Science, Universitas Negeri Yogyakarta, Karangmalang Complex, Yogyakarta, 55281, Indonesia.Physics Education Department, Faculty of Mathematics and Natural Science, Universitas Negeri Yogyakarta, Karangmalang Complex, Yogyakarta, 55281, Indonesia.Physics Education Department, Faculty of Mathematics and Natural Science, Universitas Negeri Yogyakarta, Karangmalang Complex, Yogyakarta, 55281, Indonesia.Physics Education Department, Faculty of Mathematics and Natural Science, Universitas Negeri Yogyakarta, Karangmalang Complex, Yogyakarta, 55281, Indonesia.Physics Department, Faculty of Mathematics and Natural Science, Universitas Gadjah Mada, Yogyakarta, Indonesia.Physics Education Department, Faculty of Mathematics and Natural Science, Universitas Negeri Yogyakarta, Karangmalang Complex, Yogyakarta, 55281, Indonesia.An optical absorbance study using Ultraviolet-Visible (UV-Vis) spectrophotometer device has been conducted on graphene oxide (GO) in copper (Cu) ionic liquid using electrochemical exfoliation combined with a direct current (DC) electrical circuit of copper coil given inside the electrolyte solution. The electrolyte solutions used are sulfuric acid (H2SO4) and chloride acid (HCl). The UV-Vis spectrum of the samples shows absorbance peaks at around 214 nm to 218 nm and shouldering peaks around 245 nm to 249 nm. The first peak corresponds to the existence of copper (Cu) ionic liquid in the solution, whereas the shouldering peak is related to the occurrence of GO material. A comparison between UV-Vis spectral of graphite in dimethylformamide (DMF) and GO in Cu ionic liquid in DMF resulted in the existence of a blue shift which signifies the production of Cu ionic liquid from the Cu coils inside the electrolyte solution. Increasing the concentration of the solution increases the absorbance peaks. Furthermore, raising the number of loops yields in the increase of the absorbance value at the first peaks that show Cu ionic liquid, but tends to decrease the absorbance value of the shouldering peaks of the GO material.https://journal.unj.ac.id/unj/index.php/spektra/article/view/7120graphene oxidecopper ionic liquidelectrolysissolenoid coil |
| spellingShingle | Wipsar Sunu Brams Dwandaru Oktiana Lusi Priyani Bagas Prakoso Rhyko Irawan Wisnuwijaya Iman Santoso Arif Rahman UV-VISIBLE OPTICAL ABSORBANCE OF GRAPHENE OXIDE IN COPPER IONIC LIQUID SYNTHESIZED VIA ELECTROCHEMICAL METHOD ASSISTED BY A COPPER COIL Spektra: Jurnal Fisika dan Aplikasinya graphene oxide copper ionic liquid electrolysis solenoid coil |
| title | UV-VISIBLE OPTICAL ABSORBANCE OF GRAPHENE OXIDE IN COPPER IONIC LIQUID SYNTHESIZED VIA ELECTROCHEMICAL METHOD ASSISTED BY A COPPER COIL |
| title_full | UV-VISIBLE OPTICAL ABSORBANCE OF GRAPHENE OXIDE IN COPPER IONIC LIQUID SYNTHESIZED VIA ELECTROCHEMICAL METHOD ASSISTED BY A COPPER COIL |
| title_fullStr | UV-VISIBLE OPTICAL ABSORBANCE OF GRAPHENE OXIDE IN COPPER IONIC LIQUID SYNTHESIZED VIA ELECTROCHEMICAL METHOD ASSISTED BY A COPPER COIL |
| title_full_unstemmed | UV-VISIBLE OPTICAL ABSORBANCE OF GRAPHENE OXIDE IN COPPER IONIC LIQUID SYNTHESIZED VIA ELECTROCHEMICAL METHOD ASSISTED BY A COPPER COIL |
| title_short | UV-VISIBLE OPTICAL ABSORBANCE OF GRAPHENE OXIDE IN COPPER IONIC LIQUID SYNTHESIZED VIA ELECTROCHEMICAL METHOD ASSISTED BY A COPPER COIL |
| title_sort | uv visible optical absorbance of graphene oxide in copper ionic liquid synthesized via electrochemical method assisted by a copper coil |
| topic | graphene oxide copper ionic liquid electrolysis solenoid coil |
| url | https://journal.unj.ac.id/unj/index.php/spektra/article/view/7120 |
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