• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文OA文献 >Synthesis and characterization of 2D layered gadolinium-doped cerium oxide (CGO) nanomaterials
【2h】

Synthesis and characterization of 2D layered gadolinium-doped cerium oxide (CGO) nanomaterials

机译：二维层状钆掺杂氧化铈（CGO）纳米材料的合成与表征

页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

By the virtue of versatility in composition, morphology, and structure, two-dimensional (2D) layerednanomaterials have attracted in the last decade huge interest. Such materials, consisting in stacked chargednanosheets intercalated with opposite charged exchangeable anions, are of great potential for the design andfabrication of nanomaterials in many applications. Indeed, the interlayer gallery provides a flexible space toaccommodate various sized molecules (e.g. pollutants) and tune specific active sites at the atomic space (e.g.catalyst materials). The interest for 2D layered nanomaterials is also associated with the possibility ofobtaining via exfoliation ultra-thin nanosheets with lateral dimensions of hundreds of nanometres andthickness of few nanometres. This unique class of nanomaterials has shown many unprecedented propertiesmainly originating from the dimensional anisotropy and nano-confinement effects.Herein we propose novel 2D layered ceria based oxides (e.g. CGO) synthesized via the heterogeneousprecipitation. CGO materials were selected because of their strategic relevance in many technologicalapplications (e. g. catalysis and electrochemical devices). The synthesized CGO layered materials werecharacterized for their composition, morphology and crystallographic features. The combined experimentalresults indicated that the layered CGO, with tunable dopant concentration, can be obtained in differentmorphologies by controlling the synthesis parameters.
机译：由于在组成，形态和结构上的多功能性，在过去的十年中，二维（2D）层状纳米材料引起了巨大的兴趣。这样的材料由插入有相反电荷的可交换阴离子的堆叠带电纳米片组成，在许多应用中对于纳米材料的设计和制造具有巨大的潜力。实际上，夹层通道提供了一个灵活的空间来容纳各种尺寸的分子（例如污染物），并调整原子空间（例如催化剂材料）上的特定活性位。对二维层状纳米材料的兴趣还与通过剥离获得横向尺寸为数百纳米且厚度为几纳米的超薄纳米片的可能性有关。这类独特的纳米材料已显示出许多前所未有的特性，主要是由于尺寸各向异性和纳米约束效应所引起的。在此，我们提出了通过异质沉淀合成的新型二维层状二氧化铈基氧化物（例如CGO）。选择CGO材料是因为它们在许多技术应用（例如催化和电化学装置）中具有战略意义。表征了合成的CGO层状材料的组成，形态和晶体学特征。综合实验结果表明，通过控制合成参数，可以得到不同形态的层状CGO，其掺杂剂浓度可调。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号