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METHOD FOR FABRICATING STRUCTURE OF NANO-MATERIALS THROUGH CROSS-LINKED IMMERSION TRANSFER

Absstract of: KR20260147318A

0001a 개시된 나노입자 구조체의 제조 방법은, 몰드 기판의 음각 패턴 내에 나노입자와 리간드 가교제를 포함하는 나노입자 조성물을 충진하는 단계, 상기 나노입자 조성물에 광을 제공하여 가교결합된 나노입자를 포함하는 나노입자 패턴을 형성하는 단계, 상기 나노입자 패턴 상에 캐리어 기판을 형성하는 단계, 상기 나노입자 패턴과 상기 캐리어 기판을 상기 몰드 기판으로부터 분리하는 단계, 상기 나노입자 패턴을 전사 기판과 접촉시키는 단계 및 상기 캐리어 기판에 용매를 제공하여 상기 나노입자 패턴으로부터 상기 캐리어 기판을 제거하는 단계를 포함한다. 이에 따르면, 전사 공정에서 사용 가능한 용매를 확장할 수 있고, 전사 공정의 재현성 및 균일성을 향상시킬 수 있다.

CARBON NANOMATERIAL DISPERSIONS AND METHODS FOR PREPARATION THEREOF

Absstract of: WO2026209428A1

The disclosure relates to methods for preparing a dispersion of carbon nanomaterials and carbon nanomaterial dispersions prepared by such methods. In particular, there is disclosed a method of preparing a dispersion of carbon nanomaterial, the method comprising: (i) a first dispersing step, in which a carbon nanomaterial is mixed in a solvent with a first portion of dispersant; (ii) a deagglomeration step, in which the resulting mixture is subjected to a deagglomeration treatment so as to reduce agglomeration of particles of the carbon nanomaterial within the mixture; and (iii) a second dispersing step, in which a second portion of dispersant is added to the mixture and the mixture is further mixed to form the dispersion.

CARBON NANOTUBE DISPERSION LIQUID AND METHOD OF PRODUCING SAME

Absstract of: US20260307997A1

Provided is a carbon nanotube dispersion liquid that has excellent dispersion state stability over time and can form a shaped product having excellent electrical conductivity or that can form a shaped product having excellent electrical conductivity. In one aspect, the carbon nanotube dispersion liquid contains a plurality of carbon nanotubes, a solvent, and a thickener, wherein the carbon nanotubes include single-walled carbon nanotubes, at least some of the carbon nanotubes form carbon nanotube bundles, upon observation of the bundles using a scanning electron microscope, an average length of the bundles is more than 1.50 μm, an average diameter of the bundles is 18.0 nm or less, and a number of bundles having a diameter of more than 30.0 nm among 100 of the bundles is 15 or less, and upon observation of the bundles using an optical microscope, an average length of the bundles is 8.0 μm or more.

METHOD FOR MODIFYING THE SURFACE OF A CARBON NANOCOMPOSITE, AND TIMEPIECE REGULATOR HAVING A FLEXIBLE PART INCORPORATING THE MODIFIED NANOCOMPOSITE

Absstract of: WO2025114588A1

The invention relates to a method for functionalizing and passivating a carbon surface (20a) of a carbon nanocomposite (20) configured to form a flexible part of a regulating member for a timepiece movement, to such a flexible part, to such a regulating member incorporating this flexible part and to a balance which cooperates therewith, and to use of a complex for functionalizing and passivating a carbon surface (20a) of such a carbon nanocomposite (20). The method according to the invention comprises a chemical reaction of the carbon surface (20a) with a complex which comprises: - a carbon chain which is a hydrocarbon or fluorocarbon chain, and - at a reactive carbon end of the chain, a salt of a diazonium group or of a precursor of said group, for covalent grafting of the reactive carbon end on the carbon surface (20a), and a passivation of the carbon surface (20a) that makes it hydrophobic.

THREE-DIMENSIONAL NETWORK STRUCTURED METAL COMPLEX CRYSTAL AND METHOD FOR DETERMINING MOLECULAR STRUCTURE OF ORGANIC COMPOUND USING SAME

Absstract of: EP4818148A1

0001 Provided is a novel metal complex crystal that has regularly arranged cavities and that can form an X-ray crystallographic sample by fixing an organic compound in the cavities. The metal complex crystal of the present disclosure comprises a metal ion and a ligand, and the ligand contains a carboxylic acid-based ligand (c) and a pyridine-based ligand (p) in a combination selected from I to IV: I a compound (c1) and a compound (p1), II a compound (c1) and a compound (p2), III a compound (c2) and a compound (p2), and IV a compound (c2) and a compound (p3).

マルチウォールカーボンナノチューブ粉体、これを含む導電材分散液およびリチウム二次電池

Absstract of: WO2025080097A1

The present invention relates to a multi-walled carbon nanotube powder, a conductive material dispersion solution comprising the carbon nanotube powder, and a lithium secondary battery comprising the carbon nanotube powder. The multi-walled carbon nanotube powder, in a dry powder state, has, in a particle size distribution (PSD) measured by a particle size analyzer, a volume cumulative 50% average particle diameter (D50) of 10-20 μm, a volume cumulative 90% average particle diameter (D90) of 20-40 μm and a maximum particle diameter (Dmax) of 45-70 μm, and contains 1.0-3.0 atom% of oxygen atoms, measured by XPS analysis, the particle size characteristics thereof in a powder state are controlled such that excellent dispersibility can be exhibited in an actual electrode, thereby enabling the viscosity of a dispersion solution to be lowered, and uniform dispersion thereof in an electrode is possible such that the resistance characteristics and lifespan characteristics of a lithium secondary battery can be improved.

親水性半導体ナノ粒子の製造方法、コンジュゲート体の製造方法、親水性半導体ナノ粒子、コンジュゲート体及び分散体

Absstract of: JP2026157925A

0001 【課題】水系媒体中での分散安定性に優れる親水性半導体ナノ粒子を製造する方法を提供する。 【解決手段】単鎖状の脂肪鎖からなる親油性配位子を半導体ナノ粒子の表面に有する疎水性半導体ナノ粒子と、脂溶性部位を有するポリエチレングリコールからなる両親媒性高分子体とを有機溶媒の中で混合することにより混合溶液を得る工程と、上記有機溶媒を揮発させるために上記混合溶液を乾燥させる工程と、上記有機溶媒を揮発させた後の結果物に水系媒体を添加して、親水性半導体ナノ粒子を上記水系媒体で分散させる工程と、を備える。上記混合溶液を乾燥させる工程では、上記混合溶液に対して３時間以下の自然乾燥を行った後に、又は、上記混合溶液に対して自然乾燥を行わずに、該混合溶液の減圧乾燥を行う、親水性半導体ナノ粒子の製造方法。 【選択図】図３

METHOD FOR PURIFYING CARBON NANOTUBE

Absstract of: EP4818119A1

0001 Provided is a method for purifying carbon nanotubes including: in the purification of unpurified carbon nanotubes including 50 wt% to 95 wt% of metal oxides as impurities, adding the unpurified carbon nanotubes to a purification furnace to perform first heating of the unpurified carbon nanotubes under an inert gas atmosphere, and supplying an organic chlorine compound to the purification furnace to perform a reaction, thereby chlorinating the metal oxides to produce metal chlorides; and performing second heating of the carbon nanotubes including the metal chlorides at a temperature higher than a first heating temperature in the purification furnace to vaporize the metal chlorides , thereby obtaining purified carbon nanotubes.

熱伝導率制御方法

Absstract of: JP2026158260A

0001 【課題】室温におけるグラフェン素子の熱伝導率を増強するとともに、熱伝導率を広い範囲にわたって制御することができる熱伝導率制御方法を提供する。 【解決手段】熱伝導率制御方法は、マスク孔１４を複数有するレジストマスク１５をグラフェン薄膜１３上に形成するマスク形成工程と、マスク孔１４を介してグラフェン薄膜１３を深さ方向にエッチングし、グラフェン薄膜１３に複数の貫通孔１６を形成する第１エッチング工程と、貫通孔１６を中心としてグラフェン薄膜１３に対して面方向に水素プラズマエッチングを行い、それぞれの貫通孔１６を取り囲む複数のナノピット１７を形成する第２エッチング工程と、により、ジグザグ端で終端されたｚＧＮＭ素子３１を作製し、マスク孔１４の間隔及び大きさと、第２エッチング工程のエッチング時間と、でｚＧＮＭ素子３１を構成するナノリボンのリボン幅Ｗを調整して、ｚＧＮＭ素子３１の熱伝導率を制御する。 【選択図】図３

MODIFIED POSITIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR AND USE THEREOF

Absstract of: EP4819244A1

0001 This application relates to a technical field of lithium-ion batteries, and more specifically, to a modified cathode material, a preparation method therefor, and an application thereof. Elements within particles of the modified cathode material are uniformly distributed, and the modified cathode material has a chemical formula of LiFeMnMPO<4>, M is a dopant element. The preparation method, includes: dissolving a raw material for preparing particles of the modified cathode material, in an organic solvent to form a gel; subjecting the gel to a heating and combustion treatment to obtain a fluffy, porous precursor powder; subjecting the precursor powder to a sintering treatment to obtain the modified cathode material. By first preparing a gel and then subjecting the gel to a heat-combustion treatment, the resulting modified cathode material exhibits a uniform and stable elemental distribution, high crystallinity, and more desirable electrochemical performance, in particular, more excellent Coulombic efficiency, rate performance, and cycling performance, and can be used in cathodes and secondary batteries.