Vol.9 No.3 2017
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−184−Synthesiology - English edition Vol.9 No.3 (2017) Letter from the editorWe deliver you Synthesiology Volume 9 Issue 3 that is our second special issue. This time, it features five research papers on “nanomaterials.” The final goal or the mission of nanotechnology is to fully utilize the “functions” and “structures” in the size range of one-billionth meter (nanometer) in engineering, and to implement this technology in industry and society. This is the reason why nanotechnology is considered the core of common fundamental technology in the forefront. About ten years ago, in the Third Science and Technology Basic Plan that was established in FY 2008, the field of nanotechnology materials was positioned as one of the areas of priority. The roots of nanomaterial research that is presented in this issue go back to a period before this Basic Plan. In nanotechnology, the collaboration and fusion of different fields and different businesses are essential, because in order to socially implement the nanometer-size materials, various technologies must be linked in a configurational manner, surpassing the barrier of nine-digit size differences all the way to meter size. Therefore, the story of how the individual elemental technologies and scientific findings are integrated and synthesized by what scenario toward the research goals and strategies to create values that would be accepted in society is an excellent topic of synthesiology.For example, the nanomaterials represented by carbon nanotubes hold the potential to revolutionize the world through their electronic, magnetic, and engineering properties. However, due to their minute size, before such materials can become usable in society, a novel and innovative production process, for which we have no past experience, is necessary in order to enable macroscopic expressions while maintaining their microscopic properties. In the paper on the super-growth method, please take note of the research scenario that took the production technology for single-walled carbon nanotubes from lab scale to plant scale for which the elemental technologies were completely different. Moreover, it is important to pioneer technologies to composite and disperse the nanomaterials into the matrices. In the paper on the development of human-friendly polymeric actuators, the major point is the attainment of portability, lm formation, and weight reduction of the braille displays that can be used by visually impaired people by using the carbon nanotubes as electrodes. In the paper on the development of the high-performance adsorbent HASClay®, the main attraction is the research story where an articial product was ultimately developed after dropping the attempt to nd nanomaterials from natural minerals, in developing the adsorbent for an energy-saving system.It is also essential to achieve diverse hierarchization such as the achievement of a large surface area, thin lms, and systems for the products, as well as their production and process technologies. In the paper for high-quality high-speed large-area CVD synthesis of graphene, the detailed scenario for the development of a plasma-assisted lm-forming process towards the use of flexible transparent conductive films is introduced along with detailed data analysis. In the paper on technology for decontaminating ash contaminated by radioactive cesium, it is fascinating to see the technology that uses as raw material Prussian blue, a pigment known since ancient times, advance to a decontamination system for contaminated ash. I hope you enjoy this special issue that contains plenty of synthesiological case studies in which the social values of nanomaterials that have nanometer pores and cavities are enhanced as actuators, transparent conductive films, decontamination material, humidity control material, electronic material, and others.(Toshimi Shimizu, Executive Editor)

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