RSC主编推荐：纳米领域精彩文章快览（免费阅读原文）

英国皇家化学会（RSC）是一个拥有175年历史的面向全球化学家的非营利会员制机构，旗下拥有43种期刊，其中很多在化学领域有很高影响力。为了进一步帮助广大读者追踪科技前沿热点，X-MOL团队与英国皇家化学会合作，推出英国皇家化学会期刊主编推荐的精彩文章快览，本期文章属“纳米领域”，英文点评来自英国皇家化学会期刊的主编。如果大家对我们的解读有更多的补充和点评，欢迎在文末写评论发表您的高见！

Nanoscale Horizons (IF: pending)

1. Sliced graphene foam films for dual-functional wearable strain sensors and switches

Nanoscale Horiz., 2018, Advance Article

DOI: 10.1039/C7NH00147A

This article presented a simple and innovative design for new wearable electronics. Tailoring the thickness of a graphene foam allows these dual-functional strain sensors and switches to have tunable sensitivities. The paper shows the devices integrated in a smartphone.

该研究展示了一种简单而新颖的新型可穿戴电子设备的设计策略。通过调整石墨烯泡沫的厚度可以使这些双功能应变传感器和开关具有可调的灵敏度。实验证明这种设备能够成功集成于智能手机中。

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2. Computational approaches to cell–nanomaterial interactions: keeping balance between therapeutic efficiency and cytotoxicity

Nanoscale Horiz., 2018, Advance Article

DOI: 10.1039/C7NH00138J

Nanomaterials are widely used in biomedicine, but they can induce cytotoxic responses. This review discusses the current understanding of how cell-nanomaterial interactions lead to cytotoxicity from a theoretical perspective.

纳米材料现已广泛应用于生物医学领域，但也可诱导细胞毒性反应。该综述从理论的角度讨论了目前人们对细胞和纳米材料之间的相互作用如何引发细胞毒性这一问题的理解。

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3. Gradient in defect density of ZnO nanorods grown by cathodic delamination, a corrosion process, leads to end-specific luminescence

Nanoscale Horiz., 2018, Advance Article

DOI: 10.1039/C7NH00111H

This work shows that by using the corrosion process of cathodic delamination of a polymer coating from zinc, rods can be produced with different defect densities at both ends. These “Janus” type rods show different luminescence and Raman spectra at both ends.

该工作发现，利用阴极剥离对锌的聚合物涂层进行腐蚀，会形成两端具有不同缺陷密度的氧化锌纳米棒。这种“双面神”型纳米棒的两端表现出不同的光致发光和拉曼光谱特性。

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Chemical Science (IF: 8.668)

1. Synthesis of ultrathin platinum nanoplates for enhanced oxygen reduction activity

Chem. Sci., 2018, Advance Article

DOI: 10.1039/C7SC02997G

Researchers in China and the USA have synthesized ultrathin Pt nanostructures using Ag nanocrystal templates without involving galvanic replacement. Ultrathin Pt nanoplates are desirable for their superior catalytic activity and cost-effectiveness in the electrocatalytic oxygen reduction reaction. The nanoplates synthesized in this study were reported to have a 1-2 nm thickness and {111} exposed facets. This resulted in a 22-fold and 9.5-fold increase in specific activity and mass activity, respectively, when compared to commercially available Pt/C catalysts.

中国和美国的研究人员在不使用电置换反应的情况下，利用银（Ag）纳米晶体模板合成了超薄的铂（Pt）纳米材料。这种超薄铂（Pt）纳米片在电催化氧还原反应中表现出优异的催化活性和成本效用。所合成的纳米片厚度为1-2纳米，暴露面晶型为{111}。与商品化的铂/碳（Pt/C）催化剂相比，这种材料的比活性和质量活性分别增加22倍和9.5倍。

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2. Water dispersible surface-functionalized platinum/carbon nanorattles for size-selective catalysis

Chem. Sci., 2018, Advance Article

DOI: 10.1039/C7SC03785F

Scientists in Switzerland report that selective dealloying of cobalt-platinum-alloy nanoparticles led to rattle-type nanostructures, which were able to conduct size-selective catalysis via platinum-catalysed oxidation of differently sized sugars. These nanorattles consisted of outer-surface functionalized graphene-like carbon nanoshells that incorporated platinum nanoparticles. They combine liposomal properties, such as good dispersion stability and high mobility in aqueous solutions, and carbon sphere properties. This route has the potential to be expanded to a range of nanostructure materials with various applications.

瑞士的科学家发现对钴-铂合金纳米粒子选择性去合金化能够形成蛋黄-蛋壳型（rattle-type）纳米结构，这种结构可通过铂催化的氧化过程对不同大小的糖分子进行尺寸选择性催化。该纳米结构具有类似于官能化石墨烯的碳纳米壳层，中心为铂纳米粒子。这种材料集合了脂质体的性质，比如水溶液中的高流动性和良好分散稳定性，以及碳球的性质。该方法有望扩展到一系列应用于诸多领域的纳米结构材料。

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