Experimental investigation of concentration yields of liquid phase exfoliated graphene in organic solvent media
The main purpose of this work is to experimentally investigate the concentration yields of exfoliated Graphene in organic solvents with the variation of different centrifugation speeds (rpm). Graphene was effectively fabricated by one of the most convenient chemical processing approach liquid-pha...
| Main Authors: | , , , , |
|---|---|
| Format: | Proceeding Paper |
| Language: | English English |
| Published: |
IOP Publishing Ltd
2019
|
| Subjects: | |
| Online Access: | http://irep.iium.edu.my/72438/ http://irep.iium.edu.my/72438/1/72438%20Experimental%20investigation%20of%20concentration.pdf http://irep.iium.edu.my/72438/2/72438%20Experimental%20investigation%20of%20concentration%20SCOPUS.pdf |
| _version_ | 1848787614449008640 |
|---|---|
| author | Arifutzzaman, Abul Ismail, Ahmad Faris Yaacob, Iskandar Idris Alam, Md Zahangir Khan, Ahsan Ali |
| author_facet | Arifutzzaman, Abul Ismail, Ahmad Faris Yaacob, Iskandar Idris Alam, Md Zahangir Khan, Ahsan Ali |
| author_sort | Arifutzzaman, Abul |
| building | IIUM Repository |
| collection | Online Access |
| description | The main purpose of this work is to experimentally investigate the concentration
yields of exfoliated Graphene in organic solvents with the variation of different centrifugation
speeds (rpm). Graphene was effectively fabricated by one of the most convenient chemical
processing approach liquid-phase exfoliation (LPE) of graphite in two different organic solvent
N-Methyl-2-Pyrrolidone (NMP) and N, N-dimethylformamide (DMF). After exfoliation
separated supernatant dispersions were preserved into the other tube as product. Similar
procedure was repeated with same parameter and same graphite for both of the solvents.
FESEM analyses of the exfoliated Graphene samples revealed the presence of few layers of
Graphene flakes stacking. Analysis of the Raman spectrum of the samples it was revealed that
the precursor graphite flakes was converted to Graphene sheets. Concentrations of graphene
suspensions in both solvents were measured from separately prepared standard graphs using
Beer’s law with the aid of UV-vis absorbance spectroscopy. Estimated exfoliated graphene
concentration was acquired higher for lower centrifugation (rpm) for both of the solvent. It was
also seen that for the same rpm concentration of Graphene was higher in NMP than that of in
DMF. |
| first_indexed | 2025-11-14T17:27:44Z |
| format | Proceeding Paper |
| id | iium-72438 |
| institution | International Islamic University Malaysia |
| institution_category | Local University |
| language | English English |
| last_indexed | 2025-11-14T17:27:44Z |
| publishDate | 2019 |
| publisher | IOP Publishing Ltd |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | iium-724382019-10-11T07:41:57Z http://irep.iium.edu.my/72438/ Experimental investigation of concentration yields of liquid phase exfoliated graphene in organic solvent media Arifutzzaman, Abul Ismail, Ahmad Faris Yaacob, Iskandar Idris Alam, Md Zahangir Khan, Ahsan Ali T Technology (General) The main purpose of this work is to experimentally investigate the concentration yields of exfoliated Graphene in organic solvents with the variation of different centrifugation speeds (rpm). Graphene was effectively fabricated by one of the most convenient chemical processing approach liquid-phase exfoliation (LPE) of graphite in two different organic solvent N-Methyl-2-Pyrrolidone (NMP) and N, N-dimethylformamide (DMF). After exfoliation separated supernatant dispersions were preserved into the other tube as product. Similar procedure was repeated with same parameter and same graphite for both of the solvents. FESEM analyses of the exfoliated Graphene samples revealed the presence of few layers of Graphene flakes stacking. Analysis of the Raman spectrum of the samples it was revealed that the precursor graphite flakes was converted to Graphene sheets. Concentrations of graphene suspensions in both solvents were measured from separately prepared standard graphs using Beer’s law with the aid of UV-vis absorbance spectroscopy. Estimated exfoliated graphene concentration was acquired higher for lower centrifugation (rpm) for both of the solvent. It was also seen that for the same rpm concentration of Graphene was higher in NMP than that of in DMF. IOP Publishing Ltd 2019-03-20 Proceeding Paper PeerReviewed application/pdf en http://irep.iium.edu.my/72438/1/72438%20Experimental%20investigation%20of%20concentration.pdf application/pdf en http://irep.iium.edu.my/72438/2/72438%20Experimental%20investigation%20of%20concentration%20SCOPUS.pdf Arifutzzaman, Abul and Ismail, Ahmad Faris and Yaacob, Iskandar Idris and Alam, Md Zahangir and Khan, Ahsan Ali (2019) Experimental investigation of concentration yields of liquid phase exfoliated graphene in organic solvent media. In: 4th International Conference on Mechanical, Automotive and Aerospace Engineering (ICMAAE 2018), 19th-20th September 2018, Kuala Lumpur, Malaysia. https://iopscience.iop.org/article/10.1088/1757-899X/488/1/012001/pdf 10.1088/1757-899X/488/1/012001 |
| spellingShingle | T Technology (General) Arifutzzaman, Abul Ismail, Ahmad Faris Yaacob, Iskandar Idris Alam, Md Zahangir Khan, Ahsan Ali Experimental investigation of concentration yields of liquid phase exfoliated graphene in organic solvent media |
| title | Experimental investigation of concentration yields of liquid
phase exfoliated graphene in organic solvent media |
| title_full | Experimental investigation of concentration yields of liquid
phase exfoliated graphene in organic solvent media |
| title_fullStr | Experimental investigation of concentration yields of liquid
phase exfoliated graphene in organic solvent media |
| title_full_unstemmed | Experimental investigation of concentration yields of liquid
phase exfoliated graphene in organic solvent media |
| title_short | Experimental investigation of concentration yields of liquid
phase exfoliated graphene in organic solvent media |
| title_sort | experimental investigation of concentration yields of liquid
phase exfoliated graphene in organic solvent media |
| topic | T Technology (General) |
| url | http://irep.iium.edu.my/72438/ http://irep.iium.edu.my/72438/ http://irep.iium.edu.my/72438/ http://irep.iium.edu.my/72438/1/72438%20Experimental%20investigation%20of%20concentration.pdf http://irep.iium.edu.my/72438/2/72438%20Experimental%20investigation%20of%20concentration%20SCOPUS.pdf |