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一锅法、绿色、快速合成具有再生丝素蛋白的花状金纳米粒子/还原氧化石墨烯复合材料作为高效氧还原电催化剂。

One-pot, green, rapid synthesis of flowerlike gold nanoparticles/reduced graphene oxide composite with regenerated silk fibroin as efficient oxygen reduction electrocatalysts.

机构信息

State Key Laboratory of Molecular Engineering of Polymer and Department of Macromolecular Science and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, People's Republic of China.

出版信息

ACS Appl Mater Interfaces. 2013 Feb;5(3):654-62. doi: 10.1021/am302076x. Epub 2013 Jan 29.

DOI:10.1021/am302076x
PMID:23323590
Abstract

Flowerlike gold nanoparticles (Au NPs)/reduced graphene oxide (RGO) composites were fabricated by a facile, one-pot, environmentally friendly method in the presence of regenerated silk fibroin (RSF). The influences of reaction time, temperature, and HAuCl(4): RGO ratio on the morphology of Au NPs loaded on RGO sheets were discussed and a tentative mechanism for the formation of flowerlike Au NPs/RGO composite was proposed. In addition, the flowerlike Au NPs/RGO composite showed superior catalytic performance for oxygen reduction reaction (ORR) to Au/RGO composites with other morphologies. Our work provides an alternative facile and green approach to synthesize functional metal/RGO composites.

摘要

采用简单、绿色环保的一锅法，在再生丝素蛋白（RSF）的存在下制备了花状金纳米粒子（Au NPs）/还原氧化石墨烯（RGO）复合材料。讨论了反应时间、温度和 HAuCl(4):RGO 比例对负载在 RGO 片上的 Au NPs 形态的影响，并提出了形成花状 Au NPs/RGO 复合材料的推测机制。此外，花状 Au NPs/RGO 复合材料对氧还原反应（ORR）的催化性能优于其他形态的 Au/RGO 复合材料。我们的工作为合成功能性金属/RGO 复合材料提供了一种替代的简单、绿色的方法。

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Fabrication of Mn-TPP/RGO Tailored Glassy Carbon Electrode for Doxorubicin Sensing.

ACS Omega. 2024-6-6

[2]
Graphene oxide nanosheets augment silk fibroin aerogels for enhanced water stability and oil adsorption.

Nanoscale Adv. 2023-10-6

[3]
Concurrent Reduction and Stabilization of Graphene Oxide Dispersion by Silk-Inspired Polymer.

ACS Appl Polym Mater. 2023-6-15

[4]
Real-time and stepwise deoxidization processes to tune the photoluminescence properties of graphene oxide using EC-SPR spectroscopy.

RSC Adv. 2018-3-23

[5]
Removal of methylene blue dye by solvothermally reduced graphene oxide: a metal-free adsorption and photodegradation method.

RSC Adv. 2019-11-19

[6]
Unveiling the enhanced photoelectrochemical and photocatalytic properties of reduced graphene oxide for photodegradation of methylene blue dye.

RSC Adv. 2020-10-14

[7]
Synergistic Effect of Au Interband Transition on Graphene Oxide/ZnO Heterostructure: Experimental Analysis with FDTD Simulation.

ACS Omega. 2022-2-22

[8]
Fabrication of Silver-Decorated Graphene Oxide Nanohybrids via Pulsed Laser Ablation with Excellent Antimicrobial and Optical Limiting Performance.

Nanomaterials (Basel). 2021-3-30

[9]
Silk Fibroin-Based Materials for Catalyst Immobilization.

Molecules. 2020-10-24

[10]
Room-Temperature Reduction of Graphene Oxide in Water by Metal Chloride Hydrates: A Cleaner Approach for the Preparation of Graphene@Metal Hybrids.

Nanomaterials (Basel). 2020-6-28

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