Resumen de: EP4151311A1

The present invention provides a method for producing urea by means of energy irradiation, the method comprises contacting a nanostructure catalyst with at least one carbon-containing source, at least one nitrogen-containing source and at least one hydrogen-containing source, and irradiating the nanostructure catalyst, the carbon-containing source, the nitrogen-containing source and the hydrogen-containing source with energy, to produce urea molecules.

Resumen de: EP4151591A1

An n-type material for thermoelectric conversion obtained by doping a p-type material for thermoelectric conversion with a dopant, the p-type material for thermoelectric conversion containing a carbon nanotube and a conductive resin, in which the dopant contains an anion that is a complex ion, an alkali metal cation, and a cation scavenger.

Resumen de: CN115814725A

一种碳纳米管的生产方法及装置，生产装置包括反应器（1），供料机构，冷却仓（2），旋风分离器（3），布袋分离器（4），气体膜分离器（6），通过加热将反应器（1）的反应区温度升高至600~1200℃；向反应器（1）内通往氮气和氢气；将气体或液体碳源、催化剂和生长促进剂混合均匀后输送至反应器（1）内；经过化学气相沉积法生成的碳纳米管，在冷却仓（2）冷却后，经旋风分离器（3）和布袋分离器（4）分离；分离出的气体经气体膜分离器（6）分离得到的氮气经氮气出口管道（7）送入所述反应器（1）内，得到的氢气经氢气出口管道（9）送入所述反应器（1）内。能稳定生产工艺，降低成本，提高物料的利用率。

Resumen de: CN115818622A

本申请属于材料技术领域，尤其涉及一种空心氮掺杂碳纳米球及其制备方法和应用。包括步骤：制备纳米球模板；在所述纳米球模板表面制备有机碳源包覆层和有机氮源包覆层，得到复合纳米球；对所述复合纳米球进行煅烧处理，得到碳化复合纳米球；采用氟化锂和盐酸的混合溶液刻蚀去除所述碳化复合纳米球中纳米球模板，得到空心氮掺杂碳纳米球。以氟化锂和盐酸水溶液刻蚀除去纳米模板，避免直接接触强腐蚀性的氢氟酸，提高实验的安全性，也克服了管制试剂的限制。通过调控纳米球模板的尺寸可灵活调控制得的空心氮掺杂碳纳米球的尺寸。原位生成的空心氮掺杂碳纳米球，结构稳定性好，比表面积高、表面孔径均匀且孔隙率高，适用于多种应用领域。

Resumen de: CN115818587A

本发明公开了一种SiO2/SnSe/C复合材料及其制备方法，属于符合材料制备领域。通过采用一步溶剂热法在SiO2模板剂的表面生长了粒径均匀的硒化锡纳米颗粒，为了稳定其结构，提高其应用的潜力，又对其进行了碳包覆处理。得到的产物粒径均匀，包覆平整。由于其独特的球形纳米复合结构，预计其在电化学应用方面将会有较大的应用潜力。本发明公开的方法反应条件温和，易于实现，过程易控，具有广阔的应用前景。

Resumen de: CN115815592A

本发明提供一种石墨烯包覆金属颗粒及制备方法，包括步骤：(1)将碳源与金属盐混合，然后置于高温炉中热处理，获得金属颗粒@碳材料，(2)将金属颗粒@碳材料置于石英管中，两端用铜丝或碳布堵住后置于反应室中进行处理，反应物两端接电源正、负极，反应室抽真空，对样品进行放电处理，即获得石墨烯包覆金属颗粒材料。本发明原料选用金属盐与碳源，成本低，可量产；调节金属盐和碳源的比例,可获得不同金属占比的产物，适用于不同的应用场景；与化学气相沉积比，耗时短；放电时产生的焦耳热直接作用于反应物能量利用率高；放电时温度高，可以获得高质量的金属颗粒@石墨烯。

Resumen de: US2019062163A1

Provided herein are methods and devices for production of carbon nanotubes (CNTs) which have high structural uniformity and low levels of impurities. The device includes, for example, a module for depositing catalyst on a substrate, a module for forming CNTs, a module for separating CNTs from the substrate, a module for collecting the CNTs and a module for continuously and sequentially advancing the substrate through the above modules. The method includes, for example, the steps of depositing catalyst on a moving substrate, forming carbon nanotubes on the substrate, separating carbon nanotubes from the substrate and collecting the carbon nanotubes from the surface, where the substrate moves sequentially through the depositing, forming, separating and collecting steps.

Resumen de: CN115818704A

本发明公开了一种碳包覆新型微纳米方晶复合钛酸锂材料的制备方法，具体包括以下步骤：S1、前驱体的制备；S2、掺杂阳离子钛酸锂的微纳米方晶制备及构建；S3、碳包覆微纳米方晶复合钛酸锂材料合成及微结构调控及优化，本发明涉及钛酸锂材料技术领域。该碳包覆新型微纳米方晶复合钛酸锂材料的制备方法，整体步骤简单，且通过分级筛选的方式，可以对制备的钛酸锂材料的性能进行调控和优化，各向同性碳包覆不但有利于锂离子的从不同方向同时脱碳，同时降低表面活性点，抑制电液的副反应，微米和纳米颗粒的混合有利于混合尺寸颗粒的协同效应，提高材料的振实密度和加工性能，方晶可减小材料表面积以降低颗粒与电解液的接触。

Resumen de: CN115825174A

本发明涉及一种基于石墨烯纳米复合材料增效的氨苄西林分子印迹电化学传感器的制备方法及应用。本发明首先利用一步电化学还原法在抛光处理后的惰性电极表面制备还原氧化石墨烯‑纳米金复合材料(rGO‑AuNPs)。然后将模板分子氨苄西林及功能单体邻苯二胺溶解到醋酸盐缓冲溶液中，得到预聚合溶液，以预聚合溶液为电解液，利用循环伏安法在修饰rGO‑AuNPs复合材料的惰性电极表面电聚合得到氨苄西林分子印迹聚合物(MIP)。最后利用洗脱剂洗脱掉氨苄西林模板分子，便得到rGO‑AuNPs复合材料增效的氨苄西林分子印迹电化学传感器，分子印迹聚合膜中含有特异性结合氨苄西林模板分子的识别位点，可应用于氨苄西林的快速、灵敏、特异性分析。

Resumen de: CN115820249A

本发明属于荧光碳纳米材料技术领域，具体涉及一种氮掺杂碳点及其制备方法与应用。该方法包括以下步骤：将提取精油后的植物残渣干燥、粉碎，利用三组分的深度共晶溶剂将植物残渣粉末加热混合，进行溶剂热反应，经后处理得到氮掺杂碳点；该方法合成的碳点可作为一种双功能荧光探针，同时检测水样中的三价铁离子和柠檬黄色素，产率也得到一定程度的提高，且该工艺无需昂贵复杂的仪器设备，操作方法简便易行，制备过程绿色环保，在高效荧光碳材料制备、生物质增值利用等方面提供了可行的技术路线。

Resumen de: CN115818700A

本发明公开了一种表面负载GeO量子点和单离子位点的富勒烯纳米酶的制备方法及其应用，该纳米酶是通过等离子技术将富勒烯C60形成表面带负电的具有缺陷态的载体，然后GeO量子点在静电吸附作用下附着于富勒烯表面上，金属离子与富勒烯发生静电作用和配位作用以离子形式固定在C60表面。本发明提供的制备方法适用于多种单离子位点的纳米酶的制备，该制备方法简单易行，制得的纳米酶具有丰富的活性位点。实验结果表明，本发明制得的纳米酶在GeO量子点的红外光热效应帮助下具有增强的类过氧化物酶活性，在肌红蛋白、心肌肌钙蛋白Ι、C反应蛋白等免疫分析领域具有广阔的应用前景。

Resumen de: CN115818623A

本发明属于新材料领域，具体涉及一种叶酸‑铁卟啉碳化聚合物点及其制备方法与应用。本发明得到叶酸‑铁卟啉碳化聚合物点具有靶向能力、声敏效果以及优异的水溶性。进一步的，本发明得到的叶酸‑铁卟啉碳化聚合物点具有优异的过氧化物酶活性，可以将过氧化氢分解产生羟基自由基，叶酸‑铁卟啉碳化聚合物点有望成为一种新型的声敏剂，并且其制备方法简便，过程快捷，易于实现。

Resumen de: CN115818588A

本发明属于钠离子电池技术领域，公开了一种基于碳纳米片载体的钠离子电池负极材料及其制备方法。方法主要是以二茂铁和碲粉为原料，将两者按适当比例均匀混合后，置于惰性气氛保护的密闭反应容器中作加热处理，通过升温机制的控制后自然冷却至室温，之后收集反应容器底部产物，置于管式炉中，在惰性气氛下适当加热处理去除杂质后得到所述钠离子电池负极材料。该方法工艺路线简单，设备要求低，无废水废气排放，易于规模化制备和生产。而且制备的钠离子电池负极材料具有高的克容量和优良的循环稳定性。

Resumen de: CN115818625A

本发明属于纳米材料技术领域，尤其涉及一种氧化修饰多壁碳纳米管的方法，使用临界流体对碳管表面进行有效的氧化修饰，提高了碳管在水中的分散性，同时对碳管损伤性较小，修饰后的碳管表面含有的氧化官能团可以使得碳管和其他材料有效结合。使用了超临界水作为反应的氧化剂，提高了反应过程的安全性和环保性，且无污染性气体产生也大大保证了操作人员的身体健康。本发明使用了水热釜作为反应容器，可以对整个反应体系进行均匀地加热。此技术方案对碳管的完整性保持较好，反应结束碳管产物颗粒较大，过滤进程大大缩短，效率大大提高。本发明使用了较为温和环保的氧化剂来修饰碳管，产率也有大大的提高。

Resumen de: CN115805319A

本发明公开了一种石墨烯载铂钴镍铁铜高熵合金纳米粒子的制备方法，该方法包括：一、将铂、钴、镍、铁、铜五种元素的前驱体盐配制成铂钴镍铁铜前驱体盐溶液，然后放入冷冻干燥后的饼状氧化石墨烯进行浸泡；二、将经浸泡后的饼状氧化石墨烯取出烘干并进行锻烧还原，得到石墨烯载铂钴镍铁铜高熵合金纳米粒子。本发明采用饼状氧化石墨烯浸泡前驱体盐溶液后烘干，保证了饼状氧化石墨烯表面前驱体盐中各元素分布均匀性，防止了元素偏析，控制铂钴镍铁铜高熵合金纳米粒子的物相组成，因此石墨烯载铂钴镍铁铜高熵合金纳米粒子具有比表面积高、活性位点多和稳定性好的优点，在催化材料、超导材料、传感材料和生物材料领域具备应用潜能。

Resumen de: WO2023038939A1

Computer program products, computer systems, and computer- implemented methods for making and using computational models for prediction of molecular recognition (MR) between a nanomaterial (NM) MR binder and an analyte. Methods for making a computational model involve selecting a candidate NM MR binder and conducting a physical test to determine whether MR occurs between the candidate NM MR binder and an analyte, and correlating features of the candidate NM MR binder with an experimental result obtained from the physical test to produce predictive information for the computational model. Methods for using the computational model involve receiving features of an untested candidate NM MR binder and analyzing the features to produce a prediction score that represents an expected experimental result of a physical test of the untested candidate MR binder and associating the prediction score with the untested candidate MR binder. The MR binder is a corona phase complex made from DNA adsorbed on a single wall carbon nanotube (SWCNT). The computational models include convolutional neural networks (CNN) and gradient boosted decision trees (GBDT).

Resumen de: WO2023035097A1

A preparation method for particle size-controllable white carbon black. The preparation method comprises: mixing a sodium silicate solution and an acid to obtain a precursor solution; and then treating the precursor solution, an N-acyl amino acid salt, and γ-aminopropyltriethoxysilane, and obtaining particle size-controllable white carbon black by solid-liquid separation, wherein the molar ratio of the precursor solution, the N-acyl amino acid salt, and the γ-aminopropyltriethoxysilane in the treatment is 1:(1.2-1.4):(0.1-0.3). According to the preparation method, a specific agent combination is introduced into the process of generating white carbon black to achieve control for the particle size of the white carbon black product, such that it can be ensured that the D80 particle size range value in the resulting white carbon black product is less than or equal to 6 nm.

Resumen de: US2023085066A1

The present invention relates to a carbon nanotube dispersion including carbon nanotubes, a polymer dispersant containing an amine, a phenolic compound including two or more aromatic rings, and an aqueous solvent, wherein the polymer dispersant and the phenolic compound including two or more aromatic rings are included in a weight ratio of 100:1 to 100:90, and having low viscosity and a small change of viscosity over time.

Resumen de: US2023083267A1

A production method for growing a carbon nanotube assembly on a substrate having a catalyst on a surface thereof. In this production method, in each of a formation unit that carries out a formation step of reducing a catalyst on the substrate and a growth unit that carries out a growth step of growing a carbon nanotube assembly, the substrate is continuously being conveyed using conveyance units that convey the substrate by screw rotations. In carrying out the formation step and the growth step, these steps are carried out while the gas environments in these steps are prevented from mixing with each other.

Resumen de: US2023081637A1

The embodiments of the present disclosure relate to a method, system and composition producing a magnetic carbon nanomaterial product that may comprise carbon nanotubes (CNTs) at least some of which are magnetic CNTs (mCNTs). The method and apparatus employ carbon dioxide (CO2) as a reactant in an electrolysis reaction in order to make mCNTs. In some embodiments of the present disclosure, a magnetic additive component is included as a reactant in the method and as a portion of one or more components in the system or composition to facilitate a magnetic material addition process, a carbide nucleation process or both during the electrosynthesis reaction for making magnetic carbon nanomaterials.

Resumen de: US2023080840A1

The present disclosure is directed to providing a carbon film having an excellent shield performance against electromagnetic waves. The carbon film of the present disclosure is a carbon film made of a carbon nanotube assembly, wherein a pore distribution curve of the carbon film indicating the relationship between the pore size and the Log differential pore capacity obtained from an adsorption isotherm at 77 K of liquid nitrogen based on the Barrett-Joyner-Halenda method has a peak in which the Log differential pore capacity is maximized within a pore size range of 10 nm or more and 100 nm or less, and the value of the Log differential pore capacity at the peak is 1.2 cm3/g or more.

Resumen de: EP4148802A1

A multi bridge channel field effect transistor includes a substrate (110), a first source/drain pattern (180) on the substrate, a second source/drain pattern (190) apart from the first source/drain pattern in a first direction on the substrate, a first channel layer (121) and a second channel layer (122), both made of a two-dimensional semiconductor material and disposed between the first source/drain pattern and the second source/drain pattern, first and second barrier layers (GB1, GB2) made of (nanocrystalline) graphene between the channel layers (121, 122) and the source/drain patterns (180, 190), a gate insulating layer (140) surrounding channel layers, and a gate electrode (160) surrounding gate insulating layer (140) around the channel layers (121, 122).

Resumen de: WO2021226509A1

The embodiments of the present disclosure relate to a method and apparatus for producing a magnetic carbon nanomaterial product that may comprise carbon nanotubes (CNTs) at least some of which are magnetic CNTs (mCNTs). The method and apparatus employ carbon dioxide (CO2) as a reactant in an electrolysis reaction in order to make mCNTs. In some embodiments of the present disclosure, a magnetic additive component is included as a reactant in the method and as a portion of one or more components in the system or composition to facilitate a magnetic material addition process, a carbide nucleation process or both during the electrosynthesis reaction for making magnetic carbon nanomaterials.

Resumen de: CN115784204A

一种超高边缘氮掺杂炭纳米片及其制备方法和应用，其中制备方法包括：将含有酸类基团的反应性高分子接枝于氧化石墨烯表面，制备得到氧化石墨烯‑聚合物分子刷；将含有氨基的富氮小分子加入氧化石墨烯‑聚合物分子的水溶液中，经搅拌、水热反应和冷冻干燥得到自组装复合物；将自组装复合物在惰性气体中炭化得到超高边缘氮掺杂炭纳米片。本发明可以通过改变反应性高分子和小分子的种类和比例进行组装，所制得炭纳米片内超高的边缘氮含量为炭骨架提供发达的储钾活性位点，氧化石墨烯所提供的二维纳米片形貌和高导电性石墨烯骨架显著提高了活性位点利用率和离子传输能力，该炭纳米片用作钾离子电池负极时展现出优异的倍率性能和循环稳定性。

Resumen de: US2023027304A1

A method of p-type doping a carbon nanotube includes the following steps: providing a single carbon nanotube; providing a layered structure, wherein the layered structure is a tungsten diselenide film or a black phosphorus film; and p-type doping at least one portion of the carbon nanotube by covering the carbon nanotube with the layered structure.