Abstract
Herein we report a simple dual-soft-template approach to prepare walnut-shaped macro-/mesoporous polydopamine particles with diameter of ca. 270 nm, highly accessible bicontinuous channels and wide pore size distribution from ca. 20 nm to ca. 95 nm. This approach provides great opportunities to tailor the soft template-directed assembly processes and generate various polydopamine particles with controllable mesophase curvature. Walnut-shaped mesoporous carbon particles with large open mesochannels in the range of ca. 13 nm to ca. 50 nm can be fabricated by subsequent thermal treatment under nitrogen atmosphere. Lastly, we demonstrate that the as-derived walnut-shaped carbon particles manifest enhanced electrocatalytic performance for oxygen reduction reaction in alkaline electrolyte. © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
| Original language | English |
|---|---|
| Pages (from-to) | 6176-6180 |
| Journal | Angewandte Chemie - International Edition |
| Volume | 57 |
| Issue number | 21 |
| DOIs | |
| Publication status | Published - 22 May 2018 |
| Externally published | Yes |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].Research Keywords
- carbon materials
- electrocatalysis
- macro-/mesoporous materials
- polydopamine
- walnut-shaped
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