Petrova Victoria, Corrao Adam A, Wang Shen, Xiao Yuxuan, Chapman Karena W, Fullerton Eric E, Khalifah Peter G, Liu Ping
Department of Nanoengineering, University of California-San Diego La Jolla California 92093 USA
Department of Chemistry, Stony Brook University Stony Brook NY 11794 USA.
RSC Adv. 2022 Aug 1;12(33):21153-21159. doi: 10.1039/d2ra03790d. eCollection 2022 Jul 21.
This work reports a method of producing flexible cobalt nanowires (NWs) directly from the chemical conversion of bulk precursors at room temperature. Chemical reduction of LiCoCl produces a nanocomposite of Co and LiCl, of which the salt is subsequently removed. The dilute concentration of Co in the precursor combined with the anisotropic crystal structure of the hcp phase leads to 1D growth in the absence of any templates or additives. The Co NWs are shown to have high saturation magnetization (130.6 emu g). Our understanding of the NW formation mechanism points to new directions of scalable nanostructure generation.
这项工作报道了一种在室温下直接通过块状前驱体的化学转化来制备柔性钴纳米线（NWs）的方法。LiCoCl的化学还原产生了Co和LiCl的纳米复合材料，随后将其中的盐去除。前驱体中Co的低浓度与hcp相的各向异性晶体结构相结合，导致在没有任何模板或添加剂的情况下实现一维生长。所制备的钴纳米线具有高饱和磁化强度（130.6 emu g）。我们对纳米线形成机制的理解为可扩展纳米结构的生成指明了新方向。
