Thermal stability of ordered multi-particle layers of long-chain phosphonate-modified nanodiamond with superior heat-resistance

Guo, Yifei; Fukushi, Keito; Hirayama, Shuhei; Machida, Hiroki; Qi, Meng; Akasaka, Shuichi; Fujimori, Atsuhiro

doi:10.1016/j.colsurfa.2018.08.021

Cited by 11 publications

(4 citation statements)

References 46 publications

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“…F I G U R E 1 Background and research strategy: Schematic illustrations of (upper) organo-modified inorganic nanoparticles preparation and its utilization, (middle) organo-modification of SWCNTs with different manufacturing methods and their comparison, and (lower) a strategy to compare and examine polymer-based composites using two types of organomodified SWCNTs Nanoclay, [39] zirconia, [30] zinc oxide nanodisks, [40] magnetic nanoparticles, [41] and nanodiamond [42] have been organomodified by this method (upper diagram of Figure 1).…”

Section: Surfacemodification Long-chain Quaternary Ammoniummentioning

confidence: 99%

“…[ 37 ] In addition, an oil/water interface modification method has been established, which targets the contact interface between an aqueous solution of inorganic particle dispersion and a modifier solution using an organic solvent. [ 38 ] Nanoclay, [ 39 ] zirconia, [ 30 ] zinc oxide nanodisks, [ 40 ] magnetic nanoparticles, [ 41 ] and nanodiamond [ 42 ] have been organo‐modified by this method (upper diagram of Figure 1).…”

Section: Introductionmentioning

confidence: 99%

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Nanofiller dispersing, drawn orientation, and mechanical properties of polymer‐based composites via organo‐modification of single‐walled carbon nanotubes obtained by two‐types of manufacturing processes

Harada

Almarasy

et al. 2022

Polymer Composites

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The filler dispersibility, structural changes by drawing, and mechanical properties of polymer‐based composites containing two types of organo‐modified single‐walled carbon nanotubes (SWCNTs) fabricated using different methods were investigated. In this study, the SWCNTs manufactured by super‐growth chemical vapor deposition (CVD) and improved arc discharge (iAD) were used. Further, they were surface‐modified with fluorinated phosphonic acid, and the composites were prepared with crystalline fluoropolymer by melt compounding. By introducing a very small amount of fluorinated phosphonic acid as a dispersion aid, jet‐black composites with uniform dispersibility were obtained. In the high‐temperature drawing process, the aggregated SWCNTs in the composites were uniaxially oriented along the drawing direction. The crystallinity and mechanical properties of the composites were significantly improved by the composite preparation with SWCNTs and their drawing orientation. The SWCNTs derived from the super‐growth CVD method exhibited excellent dispersibility in the matrix polymer, and the composite containing SWCNTs derived from iAD method had excellent mechanical properties.

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Section: Surfacemodification Long-chain Quaternary Ammoniummentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Nanofiller dispersing, drawn orientation, and mechanical properties of polymer‐based composites via organo‐modification of single‐walled carbon nanotubes obtained by two‐types of manufacturing processes

Harada

Almarasy

et al. 2022

Polymer Composites

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“…[19] It also plays a role in the pigment and has a concealing effect on spots and freckles on the skin. [20] In recent years, many studies have reported that nanoparticles modified with long-chain fatty acids form a homogeneous single-particle layer at the air/water interface [21][22][23][24][25][26] (Figure 1(b)). We could not find any previous report on the behavior of multi-layered films of organically modified inorganic nanoparticles to produce structural colors.…”

Section: Introductionmentioning

confidence: 99%

Appearance of Structural Color by Constructing Highly Regular Single‐Particle Layers on a Water Surface of Organo‐Modified Magnetite with Different Particle Diameter

Kikuchi,

Yamagishi,

Fujimori

2023

ChemistrySelect

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Using triiron tetroxide/magnetite particles with particle diameters of 5 nm and 30 nm, the structural color occurrence behavior due to multi‐particle layer formation was compared. The −OH‐terminated groups on the surface of the outermost layer of magnetite were bound with long‐chain fatty acids to obtain amphiphilic organo‐modified magnetite. Organo‐modified magnetite was spread as a single‐particle layer on the water surface and layered in multiple layers on a solid substrate. Organo‐modified magnetite multilayers layered to a thickness close to the wavelength of visible light exhibited a clear structural color, regardless of the particle size. However, in the case of fine particles with a diameter of 5 nm, the structural color did not appear when the in‐plane packing density was low, and the density of the two‐dimensional plane played an important role. In comparison, in the same production process and particle type, a clearer structural color was expressed with a diameter of 30 nm, and individual differences in physical properties were also confirmed when other nanoparticle types were used.

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“…In the past, nanodiamonds modified with stearic acid, stearylphosphonic acid, and fluorinated long-chain phosphonic acid 25,28,29) have been used as monolayers at the air/ water interface 30) and as fillers in polymer-based nanocomposites 25) . Nanodiamonds with a high refractive index can also exhibit projection screen performance when used as sheets or composites 31) .…”

mentioning

confidence: 99%

Biomolecular Adsorption to Interfacial Single Particle Layer of Organo-Modified Nanodiamond and Its Second-Order Structure

Yamada

Mashiyama

et al. 2023

J. Oleo Sci.

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IntroductionThe global pandemic during the last few years 1,2) has changed the lives of humankind; the threat of the virus to the human body 3,4) was highlighted again. However, owing to human wisdom, vaccines have been successfully developed to avoid the risk of aggravation due to infectious diseases 5,6) . Although protecting the innate health of the body through continuous vaccination at regular intervals is important, it is also important to prevent the entry of bacteria/viruses inside the body through everyday regular precautions, such as washing hands.At present, attention is on solvents and materials with antibacterial 7) , sterilizing 8) , and disinfecting properties 9) . Most of them are expected to be effective when applied with liquid substances. On the contrary, other materials are also present that utilize selective adsorption of fungi to surfaces 10) . Similar to fullerene 11,12) , carbon nanotubes 13,14) , and graphene 15,16) , nanodiamond 17−19) which is an allotrope of nanocarbon material, is claimed to have antibacterial properties 20) .The detonation method 18) , which uses explosives such as ＊ Correspondence to: Atsuhiro Fujimori,

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Thermal stability of ordered multi-particle layers of long-chain phosphonate-modified nanodiamond with superior heat-resistance

Cited by 11 publications

References 46 publications

Nanofiller dispersing, drawn orientation, and mechanical properties of polymer‐based composites via organo‐modification of single‐walled carbon nanotubes obtained by two‐types of manufacturing processes

Nanofiller dispersing, drawn orientation, and mechanical properties of polymer‐based composites via organo‐modification of single‐walled carbon nanotubes obtained by two‐types of manufacturing processes

Appearance of Structural Color by Constructing Highly Regular Single‐Particle Layers on a Water Surface of Organo‐Modified Magnetite with Different Particle Diameter

Biomolecular Adsorption to Interfacial Single Particle Layer of Organo-Modified Nanodiamond and Its Second-Order Structure

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