| Full text | |
| Author(s): |
Morais, Alysson F.
[1]
;
Nanclares, Dimy
[1]
;
Silva, Ivan G. N.
[1]
;
Duarte, Alfredo
[2]
;
Garcia, Fernando A.
[1]
;
Breynaert, Eric
[3]
;
Mustafa, Danilo
[1]
Total Authors: 7
|
| Affiliation: | [1] Univ Sao Paulo, Inst Fis, BR-05508090 Sao Paulo, SP - Brazil
[2] Univ Sao Paulo, Inst Quim, BR-05508000 Sao Paulo, SP - Brazil
[3] Katholieke Univ Leuven, Ctr Surface Chem & Catalysis, B-3001 Leuven - Belgium
Total Affiliations: 3
|
| Document type: | Journal article |
| Source: | NANOSCALE; v. 13, n. 27, p. 11781-11792, JUL 21 2021. |
| Web of Science Citations: | 2 |
| Abstract | |
Synthesis of layered materials exhibiting hierarchical porosity remains challenging, but nevertheless worthwhile because it turns such solids into functional materials with high specific surface area. Using a soft-templating strategy in combination with the incorporation of 8-fold coordinated Eu3+, self-assembly of self-supported layered double hydroxide (LDH) nanotubes has been achieved. Heteromorphic equimolar substitution of Al3+ by Eu3+ in Zn2+/Al3+ LDH solids intercalated with 1,3,5-benzenetricarboxylate anions (BTC) assists precipitation of the double hydroxide layers onto the convex surface of Pluronic (R) P-123 worm-like micelles, yielding multilayer cylinders of BTC-intercalated LDHs. Removal of the micellar template is easily achieved by liquid extraction with methanol, yielding a network of interconnected, well-defined, self-supported, multi-walled, hollow cylindrical nanotubes. Removal of Eu3+ from the synthesis disables formation of the nanotubular morphology, but still yields LDHs containing a network of embedded mesopores, resulting in a specific surface area that is 5-fold higher as compared to standard LDHs. (AU) | |
| FAPESP's process: | 15/19210-0 - Nanostructured double layered hydroxides with up e down-conversion properties for applications as sensitizers in solar cells |
| Grantee: | Danilo Mustafa |
| Support Opportunities: | Research Grants - Young Investigators Grants |
| FAPESP's process: | 18/13837-0 - Rare earth spectroscopy as a tool for monitoring controlled release of food additives |
| Grantee: | Alysson Ferreira Morais |
| Support Opportunities: | Scholarships in Brazil - Post-Doctoral |
| FAPESP's process: | 19/25665-1 - Charge and spin instabilities in unconventional superconductors |
| Grantee: | Fernando Assis Garcia |
| Support Opportunities: | Regular Research Grants |