Pyrolytic Carbon Nanosheets for Ultrafast and Ultrastable Sodium‐Ion Storage

10.1002/smll.201703043

2018-04-03

Na‐ion cointercalation in the graphite host structure in a glyme‐based electrolyte represents a new possibility for using carbon‐based materials (CMs) as anodes for Na‐ion storage. However, local microstructures and nanoscale morphological features in CMs aff...

Design and Realization of 3D Printed AFM Probes

10.1002/smll.201800162

2018-03-30

Atomic force microscope (AFM) probes and AFM imaging by extension are the product of exceptionally refined silicon micromachining, but are also restricted by the limitations of these fabrication techniques. Here, the nanoscale additive manufacturing technique...

Direct‐Patterning SWCNTs Using Dip Pen Nanolithography for SWCNT/Silicon Solar Cells

10.1002/smll.201800247

2018-03-25

Dip pen nanolithography (DPN) is used to pattern single‐walled carbon nanotube (SWCNT) lines between the n‐type Si and SWCNT film in SWCNT/Si solar cells. The SWCNT ink composition, loading, and DPN pretreatment are optimized to improve patterning. This impro...

Nanostructuring Lipophilic Dyes in Water Using Stable Vesicles, Quatsomes, as Scaffolds and Their Use as Probes for Bioimaging

10.1002/smll.201703851

2018-03-24

A new kind of fluorescent organic nanoparticles (FONs) is obtained using quatsomes (QSs), a family of nanovesicles proposed as scaffolds for the nanostructuration of commercial lipophilic carbocyanines (1,1′‐dioctadecyl‐3,3,3′,3′‐tetramethyl‐indocarbocyanine ...

Formation of Metal Nanoparticles Directly from Bulk Sources Using Ultrasound and Application to E‐Waste Upcycling

10.1002/smll.201703615

2018-03-24

A method for creating nanoparticles directly from bulk metal by applying ultrasound to the surface in the presence of a two‐part surfactant system is presented. Implosive collapse of cavitation bubbles near the bulk metal surface generates powerful microjets,...

The State and Challenges of Anode Materials Based on Conversion Reactions for Sodium Storage

10.1002/smll.201703671

2018-03-24

Sodium‐ion batteries (SIBs) have huge potential for applications in large‐scale energy storage systems due to their low cost and abundant sources. It is essential to develop new electrode materials for SIBs with high performance in terms of energy density, cy...

Defect Engineering in Few‐Layer Phosphorene

10.1002/smll.201704556

2018-03-23

Defect engineering in 2D phosphorene samples is becoming an important and powerful technique to alter their properties, enabling new optoelectronic applications, particularly at the infrared wavelength region. Defect engineering in a few‐layer phosphorene sam...

Etching‐Assisted Crumpled Graphene Wrapped Spiky Iron Oxide Particles for High‐Performance Li‐Ion Hybrid Supercapacitor

10.1002/smll.201704209

2018-03-15

From graphene oxide wrapped iron oxide particles with etching/reduction process, high‐performance anode and cathode materials of lithium‐ion hybrid supercapacitors are obtained in the same process with different etching conditions, which consist of partially ...

Shaping the Atomic‐Scale Geometries of Electrodes to Control Optical and Electrical Performance of Molecular Devices

10.1002/smll.201703815

2018-03-15

A straightforward method to generate both atomic‐scale sharp and atomic‐scale planar electrodes is reported. The atomic‐scale sharp electrodes are generated by precisely stretching a suspended nanowire, while the atomic‐scale planar electrodes are obtained vi...

NiO as a Bifunctional Promoter for RuO2 toward Superior Overall Water Splitting

10.1002/smll.201704073

2018-03-15

Conventional development of nanomaterials for efficient electrocatalysis is largely based on performance‐oriented trial‐and‐error/iterative approaches, while a rational design approach at the atomic/molecular level is yet to be found. Here, inspired by a fund...