文献类型：期刊文献

英文题名：General approach to surface-accessible plasmonic Pickering emulsions for SERS sensing and interfacial catalysis

作者：Zhang, Yingrui[1];Ye, Ziwei[2];Li, Chunchun[1];Chen, Qinglu[1];Aljuhani, Wafaa[1];Huang, Yiming[1];Xu, Xin[3];Wu, Chunfei[1];Bell, Steven E. J.[1];Xu, Yikai[1]

机构：[1]Queens Univ Belfast, Sch Chem & Chem Engn, Belfast BT7 1NN, North Ireland;[2]East China Univ Sci Technol, Joint Int Res Lab Precis Chem & Mol Engn, Feringa Nobel Prize Scientist Joint Res Ctr, Sch Chem & Mol Engn,Key Lab Adv Mat, Shanghai 200237, Peoples R China;[3]Fudan Univ, Shanghai Key Lab Mol Catalysis & Innovat Mat, Collaborat Innovat Ctr Chem Energy Mat, Dept Chem,MOE Key Lab Computat Physical Sci, Shanghai 200433, Peoples R China

年份：2023

卷号：14

期号：1

外文期刊名：NATURE COMMUNICATIONS

收录：;WOS:【SCI-EXPANDED(收录号:WOS:001029839500017)】；

基金：X.X. acknowledges National Natural Science Foundation of China (NSFC 21991130; 22233002) for funding support. Y.Z. acknowledges the Chinese Scholarship Council (202008370188) for funding support. W.A. acknowledges the Ministry of Education in Saudi Arabia for funding support. Y.X. acknowledges the Leverhulme Trust Early Career Fellowship (grant ECF2020703) and RSC Researcher Mobility Grant (grant no. RM1602-4142). C.W. acknowledges the European Union's Horizon 2020 research and innovation program under the Marie Skodowska-Curie grant agreement No 823745 for support. The authors would like to thank Prof Sai Duan and Prof Igor Ying Zhang for their support during this project.

语种：英文

摘要：Pickering emulsions represent an important class of functional materials with potential applications in sustainability and healthcare. Currently, the synthesis of Pickering emulsions relies heavily on the use of strongly adsorbing molecular modifiers to tune the surface chemistry of the nanoparticle constituents. This approach is inconvenient and potentially a dead-end for many applications since the adsorbed modifiers prevent interactions between the functional nanosurface and its surroundings. Here, we demonstrate a general modifier-free approach to construct Pickering emulsions by using a combination of stabilizer particles, which stabilize the emulsion droplet, and a second population of unmodified functional particles that sit alongside the stabilizers at the interface. Freeing Pickering emulsions from chemical modifiers unlocks their potential across a range of applications including plasmonic sensing and interfacial catalysis that have previously been challenging to achieve. More broadly, this strategy provides an approach to the development of surface-accessible nanomaterials with enhanced and/or additional properties from a wide range of nano-building blocks including organic nanocrystals, carbonaceous materials, metals and oxides. The preparation of Pickering emulsions from nanoparticles commonly requires modification of the particles' surface chemistry. Here, the authors demonstrate a chemical modifier-free approach for the preparation of long-term stable Pickering emulsions for SERS sensing and catalytic applications.