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| 1 | A review of helical carbon materials structure,synthesis and applications显示文摘The helical structures possess unique physical and chemical properties,such as superelasticity,high specific strength,chirality,and electromagnetic cross-polarization characteristics.With the development of nanoscience and nanotechnology,helical structures with various scales have been discovered or synthesized artificially.Among them,the helical carbon materials receive much attention around the world.Herein,we present a brief review of the development of helical carbon materials in terms of structures,synthesis techniques and mechanisms,and applications.The controllable designing of catalysts,carbon sources and reaction parameters plays a key role to optimize the properties of the helical carbon materials.At the same time,the applications in microwave absorption devices,sensors,catalysts,energy conversions and storage devices,and solar cell are also presented.For the good chemical and physical properties,helical carbon materials have a good application prospect in many fields.The potential issues and future opportunities of the helical carbon materials are also proposed. | Ding-Chuan Wang Yu Lei Wei Jiao Yi-Fan Liu Chun-Hong Mu Xian Jian | 2021 | Rare Metals2021，40，1： | 3 |
| 2 | 金包覆聚酰胺66纳米纤维串晶的SERS基底显示文摘通过静电纺丝和溶液孵育处理构筑了聚酰胺66(polyamide 66,PA66)片晶间隔生长在聚酰胺66纳米纤维(polyamide 66 nanofibers,PA66 NFs)上形成的三维分级纳米结构,即同质聚酰胺66纳米纤维串晶(polyamide 66nanofibers shish-kebabs,PA66 NFSKs)结构,并对影响其形貌和结晶情况的因素进行分析。结果 表明:PA66 NFSKs的形貌与孵育溶液的浓度密切相关,孵育溶液浓度越大,PA66 NFSKs中的kebab片晶的尺寸越大;PA66 NFSKs形成时不会改变PA66 NFs原有的晶型,长出的kebab片晶为α晶型结构。将制得的PA66 NFSKs用作模板,利用离子溅射技术在其上沉积一层金纳米颗粒(Au nanoparticles,Au NPs)制成新型三维表面增强拉曼光谱(surface-enhanced Raman spectroscopy,SERS)基底——Au NPs@PA66 NFSKs。探究了离子溅射处理时长和模板微观形貌对Au NPs@PA66 NFSKs拉曼信号增强能力的影响。优化条件下制得的SERS基底Au NPs@PA66 NFSKs0.01%-9 min对罗丹明6G(rhodamine 6G,R6G)的检测灵敏度高达10-14mol/L,同时表现出良好的信号再现性。 | 汪志华 张海宝 林永兴 | 2022 | 南通大学学报(自然科学版)2022，21，1： | 0 |
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