| Автор | Nguyen, Van Hung |
| Автор | Nguyen, Ngoc Phuong Thuy |
| Автор | Nguyen, Thi Tuyet Nhung |
| Автор | Le, Thi Thanh Thuy |
| Автор | Le, Van Nghiem |
| Автор | Nguyen, Quoc Chinh |
| Автор | Ton, That Quang |
| Автор | Nguyen, Thai Hoang |
| Автор | Nguyen, Thi Phuong Thoa |
| Дата выпуска | 2011-06-01 |
| dc.description | The solvothermal reactions of 1,4-bezenedicarboxylic acid (H<sub>2</sub>BDC) or azobenzene-4,4′-dicarboxylic acid (H<sub>2</sub>ABD) with zinc ions/clusters lead to the formation of four crystalline materials. All of these compounds were characterized by x-ray diffraction, optical microscopy, thermo-gravimetric analysis and nitrogen adsorption. Block-shaped crystals (BZ1) with various shapes and sizes were obtained at H<sub>2</sub>BDC:Zn mole ratio of 1:1 and H<sub>2</sub>BDC concentration of 0.1 M. At more dilute H<sub>2</sub>BDC concentration of 0.01 M and H<sub>2</sub>BDC:Zn mole ratio of 1 : 4, the reaction product was cubic crystals (BZ2) with a size of 250 μm. In the H<sub>2</sub>ABD system, flat-plate-like crystals (AZ1) were obtained at H<sub>2</sub>ABD:Zn mole ratio of 1 : 1 and H<sub>2</sub>ABD concentration of 0.01 M. Meanwhile, thick-block-like crystals (AZ2) were formed at the same H<sub>2</sub>ABD:Zn mole ratio but at 0.004 M H<sub>2</sub>ABD. The Langmuir surface area (S<sub>Lang</sub>) of the materials was remarkable, enhanced by diluting the reaction solution. For the compounds synthesized in N,N′-dimethylformamide (DMF), S<sub>Lang</sub> increased from 304.6 m<sup>2</sup> g<sup>−1</sup> for BZ1 to 2631 m<sup>2</sup> g<sup>−1</sup> for BZ2 and from 475.8 m<sup>2</sup> g<sup>−1</sup> for AZ1 to 3428 m<sup>2</sup> g<sup>−1</sup> for AZ2. Meanwhile, BZ2 synthesized in N,N′-diethylformamide (BZ2/DEF) got the highest S<sub>Lang</sub> of 4330 m<sup>2</sup> g<sup>−1</sup>. Both AZ2 and BZ2 materials were stable up to 400 °C. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Копирайт | 2011 Vietnam Academy of Science & Technology |
| Название | Synthesis and characterization of zinc-organic frameworks with 1,4-benzenedicarboxylic acid and azobenzene-4,4′-dicarboxylic acid |
| Тип | paper |
| DOI | 10.1088/2043-6262/2/2/025008 |
| Electronic ISSN | 2043-6262 |
| Print ISSN | 2043-6254 |
| Журнал | Advances in Natural Sciences: Nanoscience and Nanotechnology |
| Том | 2 |
| Первая страница | 25008 |
| Последняя страница | 25012 |
| Аффилиация | Nguyen, Van Hung; University of Science, Vietnam National University—Ho Chi Minh City, 227 Nguyen Van Cu, District 5, Ho Chi Minh City, Vietnam |
| Аффилиация | Nguyen, Ngoc Phuong Thuy; University of Science, Vietnam National University—Ho Chi Minh City, 227 Nguyen Van Cu, District 5, Ho Chi Minh City, Vietnam |
| Аффилиация | Nguyen, Thi Tuyet Nhung; University of Science, Vietnam National University—Ho Chi Minh City, 227 Nguyen Van Cu, District 5, Ho Chi Minh City, Vietnam |
| Аффилиация | Le, Thi Thanh Thuy; University of Science, Vietnam National University—Ho Chi Minh City, 227 Nguyen Van Cu, District 5, Ho Chi Minh City, Vietnam |
| Аффилиация | Le, Van Nghiem; University of Science, Vietnam National University—Ho Chi Minh City, 227 Nguyen Van Cu, District 5, Ho Chi Minh City, Vietnam |
| Аффилиация | Nguyen, Quoc Chinh; University of Science, Vietnam National University—Ho Chi Minh City, 227 Nguyen Van Cu, District 5, Ho Chi Minh City, Vietnam |
| Аффилиация | Ton, That Quang; University of Science, Vietnam National University—Ho Chi Minh City, 227 Nguyen Van Cu, District 5, Ho Chi Minh City, Vietnam |
| Аффилиация | Nguyen, Thai Hoang; University of Science, Vietnam National University—Ho Chi Minh City, 227 Nguyen Van Cu, District 5, Ho Chi Minh City, Vietnam |
| Аффилиация | Nguyen, Thi Phuong Thoa; University of Science, Vietnam National University—Ho Chi Minh City, 227 Nguyen Van Cu, District 5, Ho Chi Minh City, Vietnam |
| Выпуск | 2 |
