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Wagner M, Strassert CA, Gröhn F. Hierarchical electrostatic nanotemplating and self-assembly of electron-transferring hybrid nanostructures: CdS-polymer-porphyrin particles. NANOSCALE 2022; 14:13040-13045. [PMID: 35912789 DOI: 10.1039/d2nr02132c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
We demonstrate a versatile route to functional multi-component nanostructures by a hierarchical electrostatic nanotemplating - self-assembly approach: CdS-polyelectrolyte-porphyrin structures are formed in aqueous solution. The system was investigated with regard to its photocatalytic activity in different model reactions, and the mechanisms upon excitation were elucidated.
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Affiliation(s)
- Maximilian Wagner
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials and Bavarian Polymer Institute, Friedrich-Alexander - Universität Erlangen-Nürnberg, Egerlandstraße 3, 91058 Erlangen, Germany.
| | - Cristian A Strassert
- Institut für Anorganische und Analytische Chemie, Cells in Motion Interfaculty Centre, Center for Soft Nanoscience, Center for Nanotechnology - Westfälische Wilhelms-Universität Münster, Heisenbergstraße 11, 48149 Münster, Germany
| | - Franziska Gröhn
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials and Bavarian Polymer Institute, Friedrich-Alexander - Universität Erlangen-Nürnberg, Egerlandstraße 3, 91058 Erlangen, Germany.
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Fan Q, Bao G, Chen X, Meng Y, Zhang S, Ma X. Iron Nanoparticles Tuned to Catalyze CO 2 Electroreduction in Acidic Solutions through Chemical Microenvironment Engineering. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Qun Fan
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - GuangXu Bao
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Xiaoyi Chen
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Yichen Meng
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Sheng Zhang
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Zhejiang Institute of Tianjin University, Ningbo 315201, Zhejiang, P. R. China
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, P. R. China
| | - Xinbin Ma
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Zhejiang Institute of Tianjin University, Ningbo 315201, Zhejiang, P. R. China
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, P. R. China
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Molten-Salt-Assisted Synthesis of Nitrogen-Doped Carbon Nanosheets Derived from Biomass Waste of Gingko Shells as Efficient Catalyst for Oxygen Reduction Reaction. Processes (Basel) 2021. [DOI: 10.3390/pr9122124] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Developing superior efficient and durable oxygen reduction reaction (ORR) catalysts is critical for high-performance fuel cells and metal–air batteries. Herein, we successfully prepared a 3D, high-level nitrogen-doped, metal-free (N–pC) electrocatalyst employing urea as a single nitrogen source, NaCl as a fully sealed nanoreactor and gingko shells, a biomass waste, as carbon precursor. Due to the high content of active nitrogen groups, large surface area (1133.8 m2 g−1), and 3D hierarchical porous network structure, the as-prepared N–pC has better ORR electrocatalytic performance than the commercial Pt/C and most metal-free carbon materials in alkaline media. Additionally, when N–pC was used as a catalyst for an air electrode, the Zn–air battery (ZAB) had higher peak power density (223 mW cm−2), larger specific-capacity (755 mAh g−1) and better rate-capability than the commercial Pt/C-based one, displaying a good application prospect in metal-air batteries.
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