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首页> 外文期刊>Advanced Functional Materials >Hybrid Antibacterial Fabrics with Extremely High Aspect Ratio Ag/AgTCNQ Nanowires
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Hybrid Antibacterial Fabrics with Extremely High Aspect Ratio Ag/AgTCNQ Nanowires

机译：具有极高长宽比的Ag / AgTCNQ纳米线的混合抗菌织物

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摘要

This study reports the synthesis of extremely high aspect ratios (>3000) organic semiconductor nanowires of Ag-tetracyanoquinodimethane (AgTCNQ) on the surface of a flexible Ag fabric for the first time. These one-dimensional (1D) hybrid Ag/AgTCNQ nanostructures are attained by a facile, solution-based spontaneous reaction involving immersion of Ag fabrics in an acetonitrile solution of TCNQ. Further, it is discovered that these AgTCNQ nanowires show outstanding antibacterial performance against both Cram negative and Gram positive bacteria, which outperforms that of pristine Ag. The outcomes of this study also reflect upon a fundamentally important aspect that the antimicrobial performance of Ag-based nanomaterials may not necessarily be solely due to the amount of Ag~+ ions leached from these nanomaterials, but that the nanomaterial itself may also play a direct role in the antimicrobial action. Notably, the applications of metal-organic semiconducting charge transfer complexes of metal-7,7,8,8-tetracyano-quinodimethane (TCNQ) have been predominantly restricted to electronic applications, except from our recent reports on their (photo)catalytic potential and the current case on antimicrobial prospects. This report on growth of these metal-TCNQ complexes on a fabric not only widens the window of these interesting materials for new biological applications, it also opens the possibilities for developing large-area flexible electronic devices by growing a range of metal-organic semiconducting materials directly on a fabric surface.
机译：这项研究首次报道了在柔性Ag织物表面上首次合成高纵横比（> 3000）的Ag-四氰基喹二甲烷（AgTCNQ）有机半导体纳米线。这些一维（1D）杂化的Ag / AgTCNQ纳米结构是通过一种轻松的，基于溶液的自发反应获得的，该过程涉及将Ag织物浸入TCNQ的乙腈溶液中。此外，已发现这些AgTCNQ纳米线对Cram阴性细菌和革兰氏阳性细菌均显示出出色的抗菌性能，其性能优于原始Ag。这项研究的结果还反映了一个根本性的重要方面，即基于Ag的纳米材料的抗菌性能可能不一定完全是由于从这些纳米材料中浸出的Ag〜+离子的量，而是纳米材料本身也可能直接发挥了作用。在抗菌作用中的作用。值得注意的是，金属7、7、8、8-四氰基-喹二甲烷（TCNQ）的金属-有机半导体电荷转移络合物的应用主要限于电子应用，除了我们最近关于其（光）催化势和当前有关抗菌药物前景的案例。这份关于这些金属-TCNQ络合物在织物上生长的报告不仅扩大了这些有趣的材料在新生物领域中的应用范围，而且还为通过开发一系列金属-有机半导体材料开发大面积柔性电子设备打开了可能性直接在织物表面上。

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  • 来源
    《Advanced Functional Materials》 |2014年第8期|1047-1053|共7页
  • 作者

    Zahra Mohammad Davoudi; Ahmad Esmaielzadeh Kandjani; Anand I. Bhatt; Ilias L. Kyratzis; Anthony P. OMullane; Vipul Bansal;

  • 作者单位

    NanoBiotechnology Research Laboratory (NBRL) School of Applied Sciorres RMIT University GPO Box 2476V, Melbourne, VIC 3001, Australia;

    NanoBiotechnology Research Laboratory (NBRL) School of Applied Sciorres RMIT University GPO Box 2476V, Melbourne, VIC 3001, Australia;

    CSIRO Energy Technology PO Box 312, Clayton South, Victoria, 3169, Australia;

    CSIRO Materials Science and Engineering PO Box 312, Clayton South, Victoria, 3169, Australia;

    School of Applied Sciences RMIT University GPO Box 2476V, Melbourne, VIC 3001, Australia;

    NanoBiotechnology Research Laboratory (NBRL) School of Applied Sciorres RMIT University GPO Box 2476V, Melbourne, VIC 3001, Australia;

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