公开(公告)号：US20160332234A1

公开(公告)日：2016-11-17

申请号：US15111500

申请日：2015-01-19

Applicant: THE UNIVERSITY OF SHIGA PREFECTURE ,  DOWA HOLDINGS CO., LTD.

Inventor： Jeyadevan BALACHANDRAN ,  Jhon Lehman Cuya HUAMAN ,  Daisuke KODAMA

IPC: B22F9/24 ,  B82Y30/00 ,  B82Y40/00 ,  B22F1/00

CPC classification number: B22F9/24 ,  B22F1/0025 ,  B22F1/0062 ,  B22F1/0074 ,  B22F2009/245 ,  B22F2301/255 ,  B22F2998/10 ,  B82Y30/00 ,  B82Y40/00

Abstract: A production method of silver nanowires exhibits a yield enhancement effect for a protective agent other than PVP. The method for producing silver nanowires includes depositing a silver linear structure, which is referred to as silver nanowires, in an alcohol solvent having a silver compound, a halogen compound, and an organic protective agent dissolved therein. A deposition reaction of silver is performed in a state where aluminum nitrate is further dissolved in the solvent, the total amount of aluminum nitrate dissolved in the solvent being from 0.01 to 0.50 in terms of Al/Ag molar ratio with respect to the total amount of the silver compound. The organic protective agent is, for example, one containing one or more kinds of alkylated PVP and a PVP-PVA graft copolymer.

Abstract translation: 银纳米线的制造方法对PVP以外的保护剂显示出增强效果。 制造银纳米线的方法包括在溶解有银化合物，卤素化合物和有机保护剂的醇溶剂中沉积称为银纳米线的银线性结构。 在硝酸铝进一步溶解于溶剂中的情况下进行银的沉积反应，以Al / Ag摩尔比计，溶解在溶剂中的硝酸铝的总量为0.01〜0.50，相对于 银化合物。 有机保护剂是例如含有一种或多种烷基化PVP和PVP-PVA接枝共聚物的保护剂。

公开(公告)号：US20170120327A1

公开(公告)日：2017-05-04

申请号：US15333484

申请日：2016-10-25

Applicant: THE UNIVERSITY OF SHIGA PREFECTURE ,  DOWA ELECTRONICS MATERIALS CO., LTD.

Inventor： Jeyadevan BALACHANDRAN ,  Jhon Lehman Cuya HUAMAN ,  Takuya NAITO ,  Kimitaka SATO ,  Daisuke KODAMA

IPC: B22F1/02 ,  B22F9/24 ,  B22F1/00

CPC classification number: B22F1/02 ,  B22F1/0018 ,  B22F1/0022 ,  B22F1/0025 ,  B22F9/24 ,  B22F2301/255 ,  B22F2302/45

Abstract: Silver nanowires coated with, instead of a polymer protective agent such as PVP, an organic protective agent having a smaller molecular weight are provided. The silver nanowires have an average diameter of 100 nm or less and an average length of 5 μm or more, and a thiol having a molecular weight of 75 to 300 is adhered on surfaces of the metal silver. The silver nanowires have a thiol containing one thiol group in the structure adhered thereon. A thiol having only one thiol group (—S—H) in a molecule is a suitable target. Examples thereof include 1-dodecanethiol, 1-decanethiol, 1-octanethiol, 3-mercapto-1,2-propanediol, monoethanolamine thioglycolate, ammonium thioglycolate, and thiomalic acid.

公开(公告)号：US20160368049A1

公开(公告)日：2016-12-22

申请号：US15122200

申请日：2015-03-03

Applicant: DOWA HOLDINGS CO., LTD.

Inventor： Hirotoshi SAITO ,  Daisuke KODAMA ,  Kimitaka SATO

IPC: B22F1/00 ,  H01B1/02 ,  C09D11/52 ,  B22F1/02 ,  B22F9/24

CPC classification number: B22F1/0025 ,  B22F1/0022 ,  B22F1/02 ,  B22F9/24 ,  B22F2009/245 ,  B22F2301/255 ,  B22F2302/45 ,  B22F2304/054 ,  B22F2998/10 ,  C09D11/52 ,  H01B1/02 ,  H01B1/023 ,  H01B1/22

Abstract: A method for producing silver nanowires, containing reduction-precipitating silver in the form of wire in an alcohol solvent having dissolved therein a silver compound, the deposition being performed in the alcohol solvent having dissolved therein a chloride, a bromide, an alkali metal hydroxide, an aluminum salt, and an organic protective agent, the molar ratio Al/OH of the total Al amount of the aluminum salt dissolved in the solvent and the total hydroxide ion amount of the alkali metal hydroxide dissolved therein being from 0.01 to 0.40, the molar ratio OH/Ag of the total hydroxide ion amount of the alkali metal hydroxide dissolved in the solvent and the total Ag amount of the silver compound dissolved therein being from 0.005 to 0.50.

Abstract translation: 一种在溶解有银化合物的醇溶剂中含有呈线状还原析出银的银纳米线的方法，其中溶解有氯化物，溴化物，碱金属氢氧化物的醇溶剂进行沉积， 铝盐和有机保护剂，溶解在溶剂中的铝盐的总Al量的摩尔比Al / OH和溶解在其中的碱金属氢氧化物的总氢氧化物离子量为0.01〜0.40，摩尔 溶解在溶剂中的碱金属氢氧化物的总氢氧化物离子量的比例OH / Ag和溶解在其中的银化合物的总Ag量为0.005〜0.50。