JP2003020420A5 - - Google Patents

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Publication number: JP2003020420A5
Authority: JP; Japan
Prior art keywords: gold; fine; particles; group; weight
Prior art date: 2001-07-06
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

JP2001206690A

Other languages

Japanese (ja)

Other versions

JP2003020420A (en

Filing date

2001-07-06

Publication date

2008-02-14

2001-07-06 Application filed filed Critical

2001-07-06 Priority to JP2001206690A priority Critical patent/JP2003020420A/en

2001-07-06 Priority claimed from JP2001206690A external-priority patent/JP2003020420A/en

2003-01-24 Publication of JP2003020420A publication Critical patent/JP2003020420A/en

2008-02-14 Publication of JP2003020420A5 publication Critical patent/JP2003020420A5/ja

Status Withdrawn legal-status Critical Current

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PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 40
239000010931 gold Substances 0.000 description 40
229910052737 gold Inorganic materials 0.000 description 40
239000010419 fine particle Substances 0.000 description 22
239000002245 particle Substances 0.000 description 22
239000011248 coating agent Substances 0.000 description 17
238000000576 coating method Methods 0.000 description 17
150000001875 compounds Chemical class 0.000 description 10
239000007788 liquid Substances 0.000 description 10
125000000101 thioether group Chemical group 0.000 description 10
125000003396 thiol group Chemical group [H]S* 0.000 description 10
125000002228 disulfide group Chemical group 0.000 description 9
238000004519 manufacturing process Methods 0.000 description 9
239000006185 dispersion Substances 0.000 description 8
239000003960 organic solvent Substances 0.000 description 6
229910052783 alkali metal Inorganic materials 0.000 description 4
150000001340 alkali metals Chemical class 0.000 description 4
239000003638 chemical reducing agent Substances 0.000 description 4
239000000758 substrate Substances 0.000 description 3
DLLMHEDYJQACRM-UHFFFAOYSA-N 2-(carboxymethyldisulfanyl)acetic acid Chemical compound OC(=O)CSSCC(O)=O DLLMHEDYJQACRM-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
239000011230 binding agent Substances 0.000 description 2
239000012046 mixed solvent Substances 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
UVZICZIVKIMRNE-UHFFFAOYSA-N thiodiacetic acid Chemical compound OC(=O)CSCC(O)=O UVZICZIVKIMRNE-UHFFFAOYSA-N 0.000 description 2
NJRXVEJTAYWCQJ-UHFFFAOYSA-N thiomalic acid Chemical compound OC(=O)CC(S)C(O)=O NJRXVEJTAYWCQJ-UHFFFAOYSA-N 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
SDKPSXWGRWWLKR-UHFFFAOYSA-M sodium;9,10-dioxoanthracene-1-sulfonate Chemical compound [Na+].O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2S(=O)(=O)[O-] SDKPSXWGRWWLKR-UHFFFAOYSA-M 0.000 description 1

Description

【特許請求の範囲】
【請求項１】透明基板上に透明導電層を形成するための金微粒子含有塗液の製造方法であって、塩化金酸及び／又はその塩、若しくはアルカリ金属の金酸塩を含有する溶液にメルカプト基、スルフィド基、ジスルフィド基のいずれかを含む化合物と還元剤を添加混合して平均粒径５ｎｍ以下の金微粒子核を生成させ、この金微粒子核分散液にアルカリ金属の金酸塩の溶液と還元剤を添加混合することにより、金微粒子核に金をコーティングして平均粒径１００ｎｍ以下の金微粒子とし、得られた金微粒子分散液に有機溶媒又は無機バインダーを含む有機溶媒を加えて金微粒子含有塗液とすることを特徴とする金微粒子含有塗液の製造方法。
【請求項２】前記金微粒子核分散液中におけるメルカプト基、スルフィド基、ジスルフィド基のいずれかを含む化合物の量が、金微粒子１００重量部に対し２０〜２００重量部であることを特徴とする、請求項１に記載の金微粒子含有塗液の製造方法。
【請求項３】前記金微粒子分散液中におけるメルカプト基、スルフィド基、ジスルフィド基のいずれかを含む化合物の量が、金微粒子１００重量部に対し５重量部以下であることを特徴とする、請求項１又は２に記載の金微粒子含有塗液の製造方法。
【請求項４】前記メルカプト基、スルフィド基、ジスルフィド基のいずれかを含む化合物が、チオリンゴ酸、チオジグリコール酸、ジチオジグリコール酸から選ばれた少なくとも１種であることを特徴とする、請求項１〜３のいずれかに記載の金微粒子含有塗液の製造方法。
【請求項５】請求項１〜４のいずれかに記載の金微粒子含有塗液の製造方法によって得られた、透明基板上に透明導電層を形成するための金微粒子含有塗液であって、平均粒径１００ｎｍ以下の金微粒子を分散した水と有機溶媒との混合溶媒中に、メルカプト基、スルフィド基、ジスルフィド基のいずれかを含む化合物が金微粒子１００重量部に対し５重量部以下含有されていることを特徴とする金微粒子含有塗液。 [Claims]
    (1) A method for producing a coating liquid containing fine gold particles for forming a transparent conductive layer on a transparent substrate, wherein a solution containing chloroauric acid and / or a salt thereof, or an alkali metal aurate is added to a solution containing a mercapto group or a sulfide group. , A compound containing any of the disulfide groups and a reducing agent are added and mixed to generate gold fine particle nuclei having an average particle diameter of 5 nm or less, and a solution of an alkali metal aurate and a reducing agent are added to the gold fine particle nucleus dispersion. By mixing, gold fine particle nuclei are coated with gold to obtain gold fine particles having an average particle diameter of 100 nm or less, and an organic solvent containing an organic solvent or an inorganic binder is added to the obtained gold fine particle dispersion, and a gold fine particle-containing coating liquid is obtained. For producing a coating solution containing fine gold particles.
    (2) The amount of the compound containing any of a mercapto group, a sulfide group, and a disulfide group in the gold fine particle core dispersion is 20 to 200 parts by weight based on 100 parts by weight of the gold fine particles. StatedA method for producing a coating liquid containing fine gold particles.
    (3) In the gold fine particle dispersionThe amount of the compound containing any of a mercapto group, a sulfide group and a disulfide group in the above is based on 100 parts by weight of the gold fine particles.5 parts by weight or lessThe method for producing a coating liquid containing fine gold particles according to claim 1, wherein:
    (4) The compound containing any of the mercapto group, sulfide group, and disulfide group is at least one selected from thiomalic acid, thiodiglycolic acid, and dithiodiglycolic acid.Characterized by the fact thatAny of claims 1 to 33. The method for producing a coating liquid containing fine gold particles according to 1.).
    (5) A gold fine particle-containing coating liquid for forming a transparent conductive layer on a transparent substrate, obtained by the method for producing a gold fine particle-containing coating liquid according to claim 1, wherein the average particle diameter is 100 nm or less. Wherein a compound containing any of a mercapto group, a sulfide group and a disulfide group is contained in an amount of 5 parts by weight or less based on 100 parts by weight of the gold fine particles in a mixed solvent of water and an organic solvent in which the fine gold particles are dispersed. Coating solution containing fine gold particles.

【００１７】
【課題を解決するための手段】
上記目的を達成するため、本発明が提供する金微粒子含有塗液の製造方法は、塩化金酸及び／又はその塩、若しくはアルカリ金属の金酸塩を含有する溶液にメルカプト基、スルフィド基、ジスルフィド基のいずれかを含む化合物と還元剤を添加混合して平均粒径５ｎｍ以下の金微粒子核を生成させ、この金微粒子核分散液にアルカリ金属の金酸塩の溶液と還元剤を添加混合することにより、金微粒子核に金をコーティングして平均粒径１００ｎｍ以下の金微粒子とし、得られた金微粒子分散液に有機溶媒又は無機バインダーを含む有機溶媒を加えて金微粒子含有塗液とすることを特徴とする。 [0017]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a method for producing a coating solution containing fine gold particles, which comprises adding a mercapto group, a sulfide group, a disulfide to a solution containing chloroauric acid and / or a salt thereof or an alkali metal aurate. A compound containing any one of the groups and a reducing agent are added and mixed to generate gold fine particle nuclei having an average particle diameter of 5 nm or less, and a solution of an alkali metal gold salt and a reducing agent are added and mixed to the gold fine particle nucleus dispersion. By coating the gold fine particle core with gold to obtain gold fine particles having an average particle diameter of 100 nm or less, an organic solvent containing an organic solvent or an inorganic binder is added to the obtained gold fine particle dispersion to form a gold fine particle-containing coating liquid. It is characterized by .

上記本発明の金微粒子含有塗液の製造方法においては、前記金微粒子核分散液中におけるメルカプト基、スルフィド基、ジスルフィド基のいずれかを含む化合物の量が、金微粒子１００重量部に対し２０〜２００重量部であることが好ましい。また、前記金微粒子分散液中におけるメルカプト基、スルフィド基、ジスルフィド基のいずれかを含む化合物の量は、金微粒子１００重量部に対し５重量部以下であることが好ましい。 In the method for producing a coating liquid containing fine gold particles of the present invention, the amount of the compound containing any of a mercapto group, a sulfide group, and a disulfide group in the fine gold particle nucleus dispersion is 20 to 100 parts by weight of the fine gold particles. Preferably it is 200 parts by weight . The amount of the compound containing any of a mercapto group, a sulfide group, and a disulfide group in the gold fine particle dispersion is preferably 5 parts by weight or less based on 100 parts by weight of the gold fine particles .

上記本発明の金微粒子含有塗液の製造方法においては、前記メルカプト基、スルフィド基、ジスルフィド基のいずれかを含む化合物が、チオリンゴ酸、チオジグリコール酸、ジチオジグリコール酸から選ばれた少なくとも１種であることを特徴とする。 In the method for producing a coating liquid containing gold fine particles of the present invention, the compound containing any of the mercapto group, sulfide group, and disulfide group is at least one selected from thiomalic acid, thiodiglycolic acid, and dithiodiglycolic acid. It is a seed .

また、本発明が提供する透明基板上に透明導電層を形成するための金微粒子含有塗液は、上記した本発明の金微粒子含有塗液の製造方法によって得られた金微粒子含有塗液であって、平均粒径１００ｎｍ以下の金微粒子を分散した水と有機溶媒との混合溶媒中に、メルカプト基、スルフィド基、ジスルフィド基のいずれかを含む化合物が金微粒子１００重量部に対し５重量部以下含有されていることを特徴としている。 Further, the coating solution containing fine gold particles for forming a transparent conductive layer on a transparent substrate provided by the present invention is the coating solution containing fine gold particles obtained by the method for producing a coating solution containing fine gold particles of the present invention described above. In a mixed solvent of water and an organic solvent in which gold particles having an average particle diameter of 100 nm or less are dispersed, a compound containing any of a mercapto group, a sulfide group, and a disulfide group is 5 parts by weight or less based on 100 parts by weight of the gold particles. It is characterized by being contained .

JP2001206690A 2001-07-06 2001-07-06 Coating liquid containing gold fine particle and method for manufacturing the same Withdrawn JP2003020420A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP2001206690A JP2003020420A (en)	2001-07-06	2001-07-06	Coating liquid containing gold fine particle and method for manufacturing the same

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2001206690A JP2003020420A (en)	2001-07-06	2001-07-06	Coating liquid containing gold fine particle and method for manufacturing the same

Publications (2)

Publication Number	Publication Date
JP2003020420A JP2003020420A (en)	2003-01-24
JP2003020420A5 true JP2003020420A5 (en)	2008-02-14

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JP2001206690A Withdrawn JP2003020420A (en)	2001-07-06	2001-07-06	Coating liquid containing gold fine particle and method for manufacturing the same

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* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7211135B2 (en)	2004-03-16	2007-05-01	Nanogate Coating Systems Gmbh	Writable and printable colloidal gold solution
CN113921165B (en) *	2021-12-14	2022-03-29	西安宏星电子浆料科技股份有限公司	Organic gold slurry

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