Advances in Nanowire

Cheap Tubes are always amazed to learn more about the manufacture processes utilized to fabricate nanoscale products. They develop silver nanowires and spent a hefty amount of time and money in improving our process internally. The study shows formerly known yet important ingredients for nanowire growth of germanium nanowires through the vapor-liquid-solid mechanism.

Surface adsorbates are fixed coordinators in material synthesis whose existence has a direct effect on semiconductor nanowire growth. Nanoscale engineering is perplexing to say the least and reaction kinetics are critical. Many processes are developed to run right on the line between fiasco and accomplishment.

The chemistry, molar ratios, raw materials, temperature and pressure are immensely criticized. But, there is an art to it, too. The art is something you don’t usually see in journal articles or what some people consider as voodoo.

Control of Nanowire Synthesis

This study helps to pierce the veil and will facilitate a better understanding of reaction kinetics. Hence, it gives many researchers a better control of nanowire synthesis. It helps nanoscience push the envelope, which will positively enable further commercial chances for germanium nanowires by facilitating a more reliable product with tighter length tolerances. Well done Saujan V. Siveram, Michael Filler, Naechul Shin, Li-Wei Chou et al.

hydrogen stabilty

A study out of GA Tech’s Fuller laboratory gained extraordinary vision of the nanowire growth process via the use of real-time infrared spectroscopy. The research discovered that surface species, particularly hydrogen atoms and methyl groups, design the nanowire’s surface. They are vital for the stable growth of nanowires created from germanium.

Without methyl and hydrogen attaching to the nanowire sidewalls, the liquid droplet that can be found on top of the nanowire could slip, leading to the cessation of its growth.

These surface species, methyl and hydrogen molecules, work like a Rain-X layer, helping keep the droplet in its place.

Our work demonstrates that without these surface adsorbates, growth will not happen. No one had an idea about that in the past. For as long as scientists used this growth method, about 50 years, we were not aware that anything was present on the wire surface.

The fundamental chemical knowledge given in the study promises to help advance the rational synthetic design of nanowire and function.

Filler, whose study team published the findings in the recent issue of the Journal of the American Chemical Society.

Titled Direct Observation of Transient Surface Species during Ge Nanowire Growth and Their Influence on Growth Stability,” the research was pioneered by Saujan V. Siveram (PhD 2015) who worked with Filler, Naechul Shin (PhD 2-13), and Li-Wei Chou, a former postdoctoral researcher at Georgia Tech.

This information has been sourced, reviewed and adapted from materials provided by Cheap Tubes Inc.

For more information on this source, please visit Cheap Tubes Inc.

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