Evaluation of Structural Properties and Catalytic Activities in Knoevenagel Condensation Reaction of Zeolitic Imidazolate Framework-8 Synthesized under Different Conditions
In the present study, the zeolitic imidazolate framework-8 (ZIF-8) was synthesized at both room temperature and high temperatures. The effects of solvents, molar ratios of precursors, reaction time, and temperature on the structural properties of the as-prepared materials were investigated. Moreover...
Saved in:
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2019-01-01
|
| Series: | Advances in Materials Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2019/6707143 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1832559194944831488 |
|---|---|
| author | Pham Dinh Du Nguyen Viet Duy Thanh Nguyen Trung Hieu |
| author_facet | Pham Dinh Du Nguyen Viet Duy Thanh Nguyen Trung Hieu |
| author_sort | Pham Dinh Du |
| collection | DOAJ |
| description | In the present study, the zeolitic imidazolate framework-8 (ZIF-8) was synthesized at both room temperature and high temperatures. The effects of solvents, molar ratios of precursors, reaction time, and temperature on the structural properties of the as-prepared materials were investigated. Moreover, the surface morphologies of the obtained specimens were characterized using X-ray diffraction, scanning electron microscopy, Fourier-transform infrared spectroscopy, and nitrogen adsorption methods. The results show that ZIF-8 was formed in methanol and water at room temperature and in dimethylformamide (DMF) at high temperatures. Further, in methanol, the molar ratios of precursors and reaction time have negligible effects on the morphologies and structures of ZIF-8; however, in DMF, the reaction temperature has a significant influence on the microstructures of ZIF-8. The catalytic activities of the obtained materials were evaluated using the Knoevenagel condensation reaction, and ZIF-8 proves to be an excellent solid base catalyst. |
| format | Article |
| id | doaj-art-2367f27b45b14e75b8718f8e9767b881 |
| institution | Kabale University |
| issn | 1687-8434 1687-8442 |
| language | English |
| publishDate | 2019-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Materials Science and Engineering |
| spelling | doaj-art-2367f27b45b14e75b8718f8e9767b8812025-02-03T01:30:36ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422019-01-01201910.1155/2019/67071436707143Evaluation of Structural Properties and Catalytic Activities in Knoevenagel Condensation Reaction of Zeolitic Imidazolate Framework-8 Synthesized under Different ConditionsPham Dinh Du0Nguyen Viet Duy Thanh1Nguyen Trung Hieu2Faculty of Natural Science, Thu Dau Mot University, Thu Dau Mot 820000, VietnamCenter for Vocational Education and Continuing Education, Can Tho 900000, VietnamCenter for Scientific Research and Practice, Thu Dau Mot University, Thu Dau Mot 820000, VietnamIn the present study, the zeolitic imidazolate framework-8 (ZIF-8) was synthesized at both room temperature and high temperatures. The effects of solvents, molar ratios of precursors, reaction time, and temperature on the structural properties of the as-prepared materials were investigated. Moreover, the surface morphologies of the obtained specimens were characterized using X-ray diffraction, scanning electron microscopy, Fourier-transform infrared spectroscopy, and nitrogen adsorption methods. The results show that ZIF-8 was formed in methanol and water at room temperature and in dimethylformamide (DMF) at high temperatures. Further, in methanol, the molar ratios of precursors and reaction time have negligible effects on the morphologies and structures of ZIF-8; however, in DMF, the reaction temperature has a significant influence on the microstructures of ZIF-8. The catalytic activities of the obtained materials were evaluated using the Knoevenagel condensation reaction, and ZIF-8 proves to be an excellent solid base catalyst.http://dx.doi.org/10.1155/2019/6707143 |
| spellingShingle | Pham Dinh Du Nguyen Viet Duy Thanh Nguyen Trung Hieu Evaluation of Structural Properties and Catalytic Activities in Knoevenagel Condensation Reaction of Zeolitic Imidazolate Framework-8 Synthesized under Different Conditions Advances in Materials Science and Engineering |
| title | Evaluation of Structural Properties and Catalytic Activities in Knoevenagel Condensation Reaction of Zeolitic Imidazolate Framework-8 Synthesized under Different Conditions |
| title_full | Evaluation of Structural Properties and Catalytic Activities in Knoevenagel Condensation Reaction of Zeolitic Imidazolate Framework-8 Synthesized under Different Conditions |
| title_fullStr | Evaluation of Structural Properties and Catalytic Activities in Knoevenagel Condensation Reaction of Zeolitic Imidazolate Framework-8 Synthesized under Different Conditions |
| title_full_unstemmed | Evaluation of Structural Properties and Catalytic Activities in Knoevenagel Condensation Reaction of Zeolitic Imidazolate Framework-8 Synthesized under Different Conditions |
| title_short | Evaluation of Structural Properties and Catalytic Activities in Knoevenagel Condensation Reaction of Zeolitic Imidazolate Framework-8 Synthesized under Different Conditions |
| title_sort | evaluation of structural properties and catalytic activities in knoevenagel condensation reaction of zeolitic imidazolate framework 8 synthesized under different conditions |
| url | http://dx.doi.org/10.1155/2019/6707143 |
| work_keys_str_mv | AT phamdinhdu evaluationofstructuralpropertiesandcatalyticactivitiesinknoevenagelcondensationreactionofzeoliticimidazolateframework8synthesizedunderdifferentconditions AT nguyenvietduythanh evaluationofstructuralpropertiesandcatalyticactivitiesinknoevenagelcondensationreactionofzeoliticimidazolateframework8synthesizedunderdifferentconditions AT nguyentrunghieu evaluationofstructuralpropertiesandcatalyticactivitiesinknoevenagelcondensationreactionofzeoliticimidazolateframework8synthesizedunderdifferentconditions |