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Resultados 78 results. LastUpdate Updated on 30/09/2020 [00:21:00] pdf PDF xls XLS

Solicitudes publicadas en los últimos 60 días (excluida automoción) / Applications published in the last 60 days (Automotion publications excluded)



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一种蓝色室温磷光碳点及其制备方法

Publication No.: CN111704124A 25/09/2020

Applicant:

浙江工业大学

Absstract of: CN111704124A

本发明公开了一种蓝色室温磷光碳点及其制备方法,属于发光碳材料技术领域。它将聚丙烯酸、3‑氨丙基三甲氧基硅烷与去离子水均匀混合,转移至反应釜中进行水热反应,反应结束后透析,将所得透析液与氨水、正硅酸四乙酯进行回流包硅处理,再经透析得水溶性良好的室温磷光碳点,其激发波长范围为290~400nm,荧光发射峰随激发波长变化在410nm至440nm间可调,磷光持续时间可达30s。本发明的方法简单易行、绿色环保,所需原料易于获取,合成过程无需添加有毒试剂,方便安全,合成的室温磷光碳点性能稳定,并且具有磷光强度强,磷光时间长等优良性质。

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一种层层自组装的二维纳米复合材料的制备方法

Publication No.: CN111704138A 25/09/2020

Applicant:

大连理工大学

Absstract of: CN111704138A

本发明公开了一种层层自组装的二维纳米复合材料的制备方法,属于钠离子电池电极材料制备技术领域。该方法将离子液体加入基底分散液中,在分散液中引入金属源和硫源后进行水热反应,得到的材料经洗涤、真空干燥、煅烧后,得到金属硫化物/石墨烯复合材料、金属硫化物/MXene复合材料或金属硫化物/石墨烯/Mxene复合材料。离子液体起氧化石墨烯层和MXene层的稳定剂及诱导二维金属硫化物层层地自组装在石墨烯和MXene纳米大片层上的结构导向剂的作用。本发明缓解了金属硫化物作为钠离子电池负极材料大量堆聚、导电性差和体积膨胀的缺点,在电化学测试中表现出优异的性能,同时该方法简单可靠、工艺重复性好、可操作性强。

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一种基于荧光碳量子点阶梯式检测Cr(Ⅵ)和Cr(Ⅲ)的方法

Publication No.: CN111707650A 25/09/2020

Applicant:

江苏大学

Absstract of: CN111707650A

本发明提供了一种基于荧光碳量子点阶梯式检测Cr(Ⅵ)和Cr(Ⅲ)的方法,属于重金属检测领域;本发明中首先制备了荧光碳量子点,然后构建荧光体系分别考察Cr(Ⅵ)和Cr(Ⅲ)含量与荧光强度变化值之间的函数关系,进而通过比对荧光强度得出Cr(Ⅵ)和Cr(Ⅲ)的含量;所述方法操作简便、成本低,检测范围广、精度高,可实现对Cr(Ⅵ)和Cr(Ⅲ)的快速阶梯式检测研究,对检测饮用水中不同价态的铬元素以及维护食品安全有很重要的现实意义。

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一种纳米金属锡/磺化石墨烯修饰电极的制备和应用

Publication No.: CN111707725A 25/09/2020

Applicant:

重庆文理学院

Absstract of: CN111707725A

一种纳米金属锡/磺化石墨烯修饰电极的制备方法,其特征在于:依次进行磺化氧化石墨烯(SGO)合成、锡纳米颗粒/磺化石墨烯(SnNPs/SRGO)合成和锡纳米颗粒/磺化石墨烯修饰电极(SnNPs/SRGO/GCE)的制备;所述SnNPs/SRGO合成是将SGO水溶液和SnCl的盐酸溶液水浴搅拌,再加入去离子水和水合肼进行反应,反应结束后离心、洗涤、干燥。本发明制备的SnNPs/SRGO/GCE对扑热息痛的检测灵敏度高、检出限为0.06μM,扑热息痛在0.50‑500μM浓度范围内与响应电流呈线性关系;具有优异的性能稳定性、在4℃环境中储存3周,其对扑热息痛的峰电流为储存前测量值的97.2%;具有优异的选择性、抗干扰能力强。

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一种纳米银/吡啶功能化石墨烯修饰电极的制备和应用

Publication No.: CN111707720A 25/09/2020

Applicant:

重庆文理学院

Absstract of: CN111707720A

一种纳米银/吡啶功能化石墨烯修饰电极的制备方法,其特征在于:包括吡啶功能化石墨烯(Py‑GO)合成、Ag纳米粒子/吡啶功能化石墨烯(AgNPs/Py‑RGO)合成和AgNPs/Py‑RGO/GCE的制备,所述AgNPs/Py‑RGO的合成是在Py‑GO分散液中加入硝酸银和乙二胺四乙酸形成混合液,水浴至沸腾,再缓慢加入硼氢化钠,持续加热,之后离心分离、干燥。本发明制备的AgNPs/Py‑RGO/GCE中Ag负载量高,Ag含量占比为39.62wt%;Ag纳米颗粒粒径均匀,在石墨烯表面均匀分布、不发生团聚;AgNPs/Py‑RGO/GCE对HQ和CC具有优异的检测灵敏度,检测限分别为0.062μM和0.097μM;具有优异的选择性、抗干扰能力强。

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一种利用废旧锌锰电池制备锂电池负极材料的工艺

Publication No.: CN111710882A 25/09/2020

Applicant:

金汤杰

Absstract of: CN111710882A

本发明公开一种利用废旧锌锰电池制备锂电池负极材料的工艺,将废旧锌锰电池破碎,收集负极锌化合物,之后将锌化合物加入10%稀盐酸溶液中,磁力搅拌直至溶解,过滤,制得氯化锌溶液;将柠檬酸三钠加入去离子水中,匀速搅拌直至完全溶解,加入制得的氯化锌溶液,磁力搅拌30min后加入无水乙醇,制得混合液A;制备过程中对柠檬酸锌沉淀进行洗涤碳化制得产物B,该产物B实质为氧化锌和纳米碳的混合物,之后步骤S3中将产物B和多孔纳米碳混合,多孔纳米碳能够在氧化锌粒子间架设碳通道,进一步促进离子和电子的传递,而且能够限制氧化锌在作为负极材料时能够与电解液中的锂发生反应,影响电池的充放电效果。

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一种抑制球墨铸铁供水管道电化学腐蚀的方法

Publication No.: CN111705352A 25/09/2020

Applicant:

五河富强鑫金属制品有限公司

Absstract of: CN111705352A

本发明涉及金属管道腐蚀性能研究技术领域,公开了一种抑制球墨铸铁供水管道电化学腐蚀的方法,利用制备得到的改性氧化石墨烯材料与硅烷复合,进一步采用电化学沉积法制备得到耐电化学腐蚀膜层,形成的纳米膜层厚度在80‑90纳米之间,膜层致密性好,不存在微孔、裂纹等缺陷,表现出优异的抗腐蚀性能,克服了现有耐腐蚀涂料防护效果不佳带来的缺陷,具有较强的实际应用价值。本发明可显著提高球墨铸铁材料的供水管道使用寿命,对于增强球墨铸铁材料的耐蚀性研究具有较高价值,有效解决以球墨铸铁材料为代表的供水管材易腐蚀的技术难题。

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METHOD FOR ELECTROCATALYTIC PREPARATION OF DEFECT-FREE DISORDERLY STACKED GRAPHENE NANOFILMS AND APPLICATION

Publication No.: WO2020187332A1 24/09/2020

Applicant:

HANGZHOU GAOXI TECH CO LTD [CN]
UNIV ZHEJIANG [CN]

CN_109928387_A

Absstract of: WO2020187332A1

A method for electrocatalytic preparation of defect-free disorderly stacked graphene nanofilms. The graphene nanofilm is obtained by thermally and electrically treating an independent self-supported graphene film. The steps are as follows: (1) preparing an independent self-supported graphene film, the number of graphene films in the thickness direction being not greater than 200; and (2) gradually heating the graphene film to 2000°C, the heating speed being not greater than 60°C/min, maintaining the temperature for 1-2 h, then electrifying the film, the current magnitude being 1-20 A, and maintaining the state for 1-4 h.

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DEVICES AND METHODS FOR THIN FILM CHEMICAL PROCESSING

Publication No.: EP3710402A1 23/09/2020

Applicant:

2D FLUIDICS PTY LTD [AU]

KR_20200088405_A

Absstract of: WO2019095012A1

Producing nanostructure materials in a thin film reactor (TFR) from starting material of inorganic or organic material of layered or two dimensional (2D) structure or inorganic material transformed in situ into 2D inorganic material, or single walled carbon nanotubes (SWCNTs), and a solvent or liquid phase. The TFR can be a vortex fluidic device (VFD) or a device with spaced first and second fluid contact surfaces, which can be conical, for relative rotation to generate shear stress in the thin film therebetween. A liquid supply means delivers a liquid between the first and second fluid contact surfaces. The composition can be exposed to laser energy. The thin film reactor can form graphene, graphene oxide, scrolls, tubes, spheres or rings of the layered or 2D material.

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二氧化钛纳米线-石墨烯纳米纳米复合材料的制备方法

Publication No.: CN111689516A 22/09/2020

Applicant:

哈尔滨理工大学

Absstract of: CN111689516A

二氧化钛纳米线‑石墨烯纳米纳米复合材料的制备方法,涉及二氧化钛纳米线‑石墨烯超级电容器电极材料的制备方法。本发明要解决二氧化钛作为超级电容器电极材料导电性差和性能较低的问题。首先制备出氧化石墨烯,然后与二氧化钛纳米粉末混合,并在氢氧化钠碱液中进行水热反应,最后将反应产物在盐酸中进行酸化处理和热处理,得到一种具有高比表面积、高性能的超级电容器电极材料。本发明制备方法具备简单,高效和易于大规模生产的优点。

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Corrosion protection for metallic substrates

Publication No.: CN111699222A 22/09/2020

Applicant:

应用石墨烯材料英国有限公司

GB_2573036_A

Absstract of: GB2570733A

A composition for coating a metallic substrate susceptible to corrosion comprises a carrier and 0.002-0.09 wt.% platelets chosen from graphene, graphene oxide, and reduced graphene oxide nanoplatelets, and/or graphite flakes with nanoscale dimensions and ≤25 layers. The platelets may have a d50 particle size of <30 microns. Preferably, the composition has a packing density such that most platelets are not in physical or electrical contact with each other. The carrier may be a crosslinkable/noncrosslinkable resin, thermosetting acrylic, aminoplast, urethane, carbamate, polyester, epoxy, silicone, polyurea, silicate, or polydimethylsiloxane. A coating system comprises a first coating comprising the composition on a metallic substrate and a second coating on the first coating. The second coating comprises a carrier and ≥0.1 wt.% platelets chosen from graphene nanoplatelets and graphite flakes with nanoscale dimensions and ≤25 layers. A method of treating a metallic substrate, such as aluminium, aluminium alloy, or magnesium alloy, with the composition or coating system is also disclosed.

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一种核壳结构纳米材料及其制备方法

Publication No.: CN111687425A 22/09/2020

Applicant:

广东工业大学

Absstract of: CN111687425A

本发明涉及纳米材料技术领域,尤其涉及一种核壳结构纳米材料及其制备方法。本发明公开的制备方法向火花烧蚀装置内通入载气气源后,载气在高压脉冲下火花放电,高温火花将两个电极表面的材料烧蚀蒸发,形成两种原子团簇,随即冷凝形成纳米颗粒,经烧结、冷却,熔点高的纳米颗粒先凝结为核心,熔点低的纳米颗粒后凝结为壳层,形成核壳结构以降低能量保持稳定状态。该制备方法无需制备前驱体,工艺简单快捷且环保,降低生产成本,可连续生产,有利于实现工业化大规模生产;该制备方法制得的核壳颗粒纯度高、单分散性好、尺寸可控、且尺寸分布窄;该制备方法通过更换电极的材料可以制备得到不同类型的核壳材料,可应用于电子、生物医药、化工等领域。

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荧光碳点及其制备方法和在检测对氨基偶氮苯中的应用

Publication No.: CN111690404A 22/09/2020

Applicant:

中国石油大学北京

Absstract of: CN111690404A

本发明提供了一种荧光碳点及其制备方法和在检测对氨基偶氮苯中的应用。该荧光碳点的制备方法包括:顺丁烯二酸和三聚氰胺混合进行固相加热反应;反应结束后,进行离心,离心所得的上清液过滤透析干燥后得到荧光碳点。本发明制备的荧光碳点用作荧光碳点传感器,测定水样中的PAAB,具有灵敏度高、稳定性强、选择性好、检测成本低等优点,针对PAAB的线性检测浓度范围为10~800ng/mL,PAAB的检出限为6.642ng/mL,该荧光探针对PAAB的选择性优于其他类型的偶氮苯类污染物和金属离子,将该方法对4个实际水样进行了验证,加标回收率在92.2%~105.6%,在环境领域的实际检测中具有一定的应用前景。

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一种荧光碳点及其制备方法和在检测铜离子中的应用

Publication No.: CN111690405A 22/09/2020

Applicant:

中国石油大学北京

Absstract of: CN111690405A

本发明提供了一种荧光碳点及其制备方法和在检测铜离子中的应用。该荧光碳点的制备方法包括:腐殖酸和尿素溶于水中进行加热反应;反应结束后,进行离心,离心所得的上清液过滤透析干燥后得到荧光碳点。本发明的荧光碳点具有很强的荧光、高单分散性、良好的稳定性、良好的水溶性和荧光量子产率;将该荧光碳点用作荧光碳点传感器,用于测定水样中的Cu,具有灵敏度高、稳定性强、选择性好、检测成本低等优点,针对Cu的线性检测浓度范围为0.1~2μM,与其它传感器相比具有一定的竞争力,对水中Cu的检测有良好的应用前景。

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用于喷漆废水处理的纳米复合材料以及制备方法和应用

Publication No.: CN111689503A 22/09/2020

Applicant:

金华市萌源环境科技有限公司

Absstract of: CN111689503A

本发明提供了一种用于喷漆废水处理的纳米复合材料以及制备方法和应用,属于污水处理技术领域。它解决了现有无法采用简单、廉价的办法处理喷漆废水的问题。本用于喷漆废水处理的纳米复合材料的制备方法包括如下步骤:S1、将石墨烯分散于水中形成均匀的分散液A;S2、向分散液A中加入一定量的支链聚乙烯亚胺形成均匀的混合液B;S3、将膨润土分散到水中形成分散液C;S4、将B和C混合并在室温下震荡充分混合,在此过程中石墨烯和膨润土形成自组装纳米复合材料。本申请中将氧化石墨与支链聚乙烯亚胺首先混合,大大提高了石墨烯的分散性且使石墨烯表面带正点,此外,支链聚以酰亚胺还能提高膨润土层间吸附能力。

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SENSOR FOR DETECTING GAS ANALYTE

Publication No.: CN111693575A 22/09/2020

Applicant:

开利公司

US_2020291044_A1

Absstract of: EP3708572A1

A sensor and a method of using the sensor are disclosed. The sensor includes a conductive region in electrical communication with two electrodes, the conductive region including single-walled carbon nanotubes, nanosized particles of a metal dichalcogenide, and a mercaptoimidazolyl metal-ligand complex. The sensor can be used to detect volatile compounds that have a double or triple bond.

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MoS-Ag-氮掺杂石墨烯纳米复合材料表面增强拉曼基底及其制备方法

Publication No.: CN111678906A 18/09/2020

Applicant:

青岛峰峦新材料科技有限责任公司

Absstract of: CN111678906A

本发明涉及一种MoS‑Ag‑氮掺杂石墨烯纳米复合材料表面增强拉曼基底及其制备方法。首先以氨基芘为原料,进行水热反应制备得到氮掺杂的石墨烯量子点,然后进行酯化、加聚反应得到NG‑HDO薄膜;再进行表面Ag纳米粒子修饰,最后再进行MoS纳米粒子包覆。通过上述的制备方法,可以改善普通石墨烯基表面增强拉曼基底中所存在的背景噪音信号大,检测信号强度不足,灵敏性差的缺陷,得到了一种检测信号强度高、检测准确性和灵敏性优异的MoS‑Ag‑氮掺杂石墨烯纳米复合材料表面增强拉曼基底。

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一种含有氧化石墨烯和纳米银的水溶性抗菌防霉剂的合成方法

Publication No.: CN111670912A 18/09/2020

Applicant:

南京优写智能科技有限公司

Absstract of: CN111670912A

本发明专利提供一种含有氧化石墨烯和纳米银的水溶性抗菌防霉剂的合成方法,由无机纳米抗菌剂、有机抗菌剂、抗菌增效剂及稳定剂组成。首先利用超声震荡结合微波水热技术制备纳米银颗粒和改性氧化石墨烯,再将纳米银均匀分散于氧化石墨烯表面,最后制备含有氧化石墨烯和纳米银的水溶性抗菌防霉剂,该技术操作简单、反应快速、制备产物结构稳定且杀菌效果好。所得抗菌防霉剂因引入氧化石墨烯和纳米银,弥补了纯有机抗菌防霉剂抗菌时间较短、药用剂量大、长期使用易产生抗药性等不足,也减少了有机抗菌防霉剂的使用量和对环境的危害,同时复合抗菌防霉剂的抗菌防霉性能显著提升,为该类复合抗菌防霉剂的大规模生产及应用提供了良好的技术基础和经验。

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Corrosion protection for metallic substrates

Publication No.: CN111684021A 18/09/2020

Applicant:

应用石墨烯材料英国有限公司

GB_2573036_A

Absstract of: GB2570733A

A composition for coating a metallic substrate susceptible to corrosion comprises a carrier and 0.002-0.09 wt.% platelets chosen from graphene, graphene oxide, and reduced graphene oxide nanoplatelets, and/or graphite flakes with nanoscale dimensions and ≤25 layers. The platelets may have a d50 particle size of <30 microns. Preferably, the composition has a packing density such that most platelets are not in physical or electrical contact with each other. The carrier may be a crosslinkable/noncrosslinkable resin, thermosetting acrylic, aminoplast, urethane, carbamate, polyester, epoxy, silicone, polyurea, silicate, or polydimethylsiloxane. A coating system comprises a first coating comprising the composition on a metallic substrate and a second coating on the first coating. The second coating comprises a carrier and ≥0.1 wt.% platelets chosen from graphene nanoplatelets and graphite flakes with nanoscale dimensions and ≤25 layers. A method of treating a metallic substrate, such as aluminium, aluminium alloy, or magnesium alloy, with the composition or coating system is also disclosed.

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CuO-Ag-氮掺杂石墨烯纳米复合材料表面增强拉曼基底及其制备方法

Publication No.: CN111678905A 18/09/2020

Applicant:

青岛峰峦新材料科技有限责任公司

Absstract of: CN111678905A

本发明涉及一种CuO‑Ag‑氮掺杂石墨烯纳米复合材料表面增强拉曼基底及其制备方法。首先以氨基芘为原料,进行水热反应制备得到氮掺杂的石墨烯量子点,然后进行酯化、加聚反应得到NG‑HDO薄膜;再进行表面Ag纳米粒子修饰,最后再进行CuO纳米粒子包覆。通过上述的制备方法,可以改善普通石墨烯基表面增强拉曼基底中所存在的背景噪音信号大,检测信号强度不足,灵敏性差的缺陷,得到了一种检测信号强度高、检测准确性和灵敏性优异的CuO‑Ag‑氮掺杂石墨烯纳米复合材料表面增强拉曼基底。

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一种荧光碳点的简易制备方法

Publication No.: CN111675207A 18/09/2020

Applicant:

兰州大学

Absstract of: CN111675207A

一种荧光碳点的简易制备方法,该方法基于溶液燃烧法,以甘氨酸为还原剂,硝酸盐为氧化剂,按一定比例溶于水中,在表面温度为150‑250℃的电热板上加热引发反应。选择合适的溶剂溶解,抽滤,得到淡黄色碳点溶液。该方法原料来源广泛,价格便宜,制备工艺简单,条件要求非常容易达到,且制备过程环境友好。该方法制备得到的碳点的发射光谱表现出对激发波长的依赖性。

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DISPERSANT FOR CARBON MATERIAL, DISPERSION CONTAINING DISPERSANT FOR CARBON MATERIAL, ELECTRODE SLURRY FOR ALL-SOLID LITHIUM-ION SECONDARY BATTERY, MANUFACTURING METHOD FOR ELECTRODE FOR ALL-SOLID LITHIUM-ION SECONDARY BATTERY, ELECTRODE FOR ALL-SOLID LITHIUM-ION SECONDARY BATTERY, AND ALL-SOLID LITHIUM-ION SECONDARY BATTERY

Publication No.: US2020295371A1 17/09/2020

Applicant:

SANYO CHEMICAL IND LTD [JP]

Absstract of: US2020295371A1

The present invention provides a dispersant for carbon materials, the dispersant containing a copolymer having a nitrogen-containing group, wherein the copolymer has a nitrogen content of 0.01 wt % or more and 5 wt % or less and the copolymer has an SP value of 8.0 to 12 (cal/cm3)1/2.

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SENSOR FOR DETECTING GAS ANALYTE

Publication No.: US2020291044A1 17/09/2020

Applicant:

CARRIER CORP [US]

EP_3708572_A1

Absstract of: US2020291044A1

A sensor and a method of using the sensor are disclosed. The sensor includes a conductive region in electrical communication with two electrodes, the conductive region including single-walled carbon nanotubes, nanosized particles of a metal dichalcogenide, and a mercaptoimidazolyl metal-ligand complex. The sensor can be used to detect volatile compounds that have a double or triple bond.

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METHOD FOR PREPARING NANO-POROUS CARBON MATERIAL

Publication No.: WO2020181633A1 17/09/2020

Applicant:

UNIV SUN YAT SEN [CN]

CN_109879267_A

Absstract of: WO2020181633A1

Disclosed is a method for preparing a nano-porous carbon material. The method for preparing a nano-porous carbon material is: mixing polypyrrole nano-fibers with an activator, microwave heating and reacting same, and purifying the resulting product to obtain a nano-porous carbon material. Compared with a conventional high-temperature carbonization method, the method for preparing a nano-porous carbon material of the present invention uses simple raw materials, involves convenient operations, is less time consuming, and is more suitable for mass preparation and production of nano-porous carbon materials.

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CARBON NANOTUBE COMPOSITION, SEMICONDUCTOR ELEMENT AND WIRELESS COMMUNICATION DEVICE

Nº publicación: WO2020184012A1 17/09/2020

Applicant:

TORAY INDUSTRIES [JP]

Absstract of: WO2020184012A1

The present invention provides a carbon nanotube composition which enables the production of an FET that has improved mobility. A carbon nanotube composition according to the present invention contains carbon nanotubes that have the characteristics (1) and (2) described below, but does not contain a halogen. (1) The absorption spectrum of a dispersion liquid, which is obtained by dispersing the carbon nanotubes in a solution that contains a cholic acid derivative and water, within the wavelength range of from 300 nm to 1,100 nm as determined with use of ultraviolet-visible-near infrared spectroscopy has the lowest absorbance within the wavelength range of from 600 nm to 700 nm, while having the highest absorbance within the wavelength range of from 900 nm to 1,050 nm, with the ratio of the highest absorbance to the lowest absorbance being from 2.5 to 4.5 (inclusive). (2) The height ratio of the D-band to the G-band ((D/G), the value of D/G × 100) as determined with use of Raman spectroscopy wherein light having a wavelength of 532 nm is used as the excitation light is 3.33 or less.

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