JP6300731B2 - 導電性銀構造を形成するためのインク組成物 - Google Patents
導電性銀構造を形成するためのインク組成物 Download PDFInfo
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
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Description
<連邦政府による委託研究または開発>
表1 例示的な銀系インク成分
表2 E−ジェットおよびより高い安定性を必要とする他の方法のための例示的な銀系インク成分
過剰なアンモニア(≧4:1比)は、合成の際に供給される。生成する初期の半透明の赤色は、ジアミン銀錯体に完全に変換されない酸化銀に相当する。ギ酸の添加によって、保護されていない銀が還元されて、粒子(約31重量%)が生成するが、これらは(例えば、沈殿によって)除去される。添加されたギ酸の約40重量%がこの工程で使用される。残りのギ酸は、水酸化物に水素イオンを付加して水とするとともに、ギ酸アンモニウムを生成することによって、水酸化アンモニウムを中和する。随伴するpHの低下〈例えば、約14から約10.6〉は、多くの遊離アンモニアが溶液中に存在するのを可能とし、目的とするジアミン銀錯体を生成する。特に、ジアミン銀錯体は、以前に報告されたトレンス試薬の化学的性質に比較して、溶液中において高比率の銀を含有する。水中で過剰なアンモニアを使用することにより、ジアミン銀(I)錯体は、酸化銀中間体を必要とせず直接形成される。
Claims (20)
- 導電性銀構造を形成するためのインク組成物であって、
酢酸銀と、
(a)錯化剤とギ酸との錯体、または(b)錯化剤とギ酸の塩との錯体とを含有し、
前記インク組成物は、粒子を含有しないことを特徴とするインク組成物。 - 前記錯化剤は、アルキルアミンおよびアンモニアからなる群より選択される請求項1に記載のインク組成物。
- 前記アルキルアミンは、メチルアミン、エチルアミン、プロピルアミン、ブチルアミンおよびアミルアミンからなる群より選択される請求項2に記載のインク組成物。
- さらに、メチレンジアミンまたはエチレンジアミンを含有する請求項1に記載のインク組成物。
- さらに、エタノール、ブタノール、プロピレングリコール、水およびそれらの組み合わせからなる群より選択される溶媒を含有する請求項1に記載のインク組成物。
- 前記錯化剤は、水酸化アンモニウムである請求項1に記載のインク組成物。
- 当該インク組成物は、低剪断条件下、23℃で1〜106mPa・sの粘度を有する請求項1に記載のインク組成物。
- 前記錯化剤は、メチルアミン、エチルアミン、プロピルアミン、ブチルアミン、アミルアミンおよびアンモニアからなる群より選択される請求項1に記載のインク組成物。
- さらに、エチレンジアミンを含有する請求項8に記載のインク組成物。
- さらに、エタノール、ブタノール、プロピレングリコール、水およびそれらの組み合わせからなる群より選択される溶媒を含有する請求項8に記載のインク組成物。
- 導電性銀構造を形成するためのインク組成物であって、
酢酸銀と、
前記酢酸銀を溶解するための錯化剤であって、前記酢酸銀のための還元剤でない錯化剤と、
前記錯化剤と錯体を形成し、かつ前記酢酸銀を還元するためのギ酸またはギ酸の塩とを含有し、
前記錯化剤および前記ギ酸またはギ酸の塩のそれぞれが、120℃以下の沸点を有し、
前記インク組成物は、粒子を含有しないことを特徴とするインク組成物。 - さらに、120℃以下の沸点を有する溶媒を含有する請求項11に記載のインク組成物。
- 酢酸銀である銀塩と錯化剤とを混合する工程と、
ギ酸または該ギ酸の塩を、前記混合した銀塩および錯化剤に添加して、粒子を含有しないインク組成物を形成する工程と、
前記インク組成物中の前記錯化剤の濃度を減少させて、濃縮物を形成する工程と、
前記銀塩を還元して、導電性銀構造を形成する工程とを有し、
前記濃縮物および前記導電性銀構造を、120℃以下の温度で形成することを特徴とする導電性銀構造の形成方法。 - 前記温度は、90℃以下である請求項13に記載の方法。
- 前記ギ酸または前記ギ酸の塩は、前記銀塩が前記錯化剤に溶解するまで添加されない請求項13に記載の方法。
- さらに、前記インク組成物を基板上に付着させる工程を有する請求項13に記載の方法。
- 前記インク組成物を、スプレー処理、浸漬コーティング、スピンコーティング、インクジェット印刷およびe−jet印刷からなる群より選択される方法によって、前記基板上に付着させる請求項16に記載の方法。
- さらに、前記濃縮物を基板上に付着させる工程を有する請求項13に記載の方法。
- 前記濃縮物を、スクリーン印刷、ロールツーロール処理および直接インク描画からなる群より選択される方法によって、前記基板上に付着させる請求項18に記載の方法。
- 前記導電性銀構造は、2×10−5Ωcm以下の抵抗率を有する請求項13に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161579845P | 2011-12-23 | 2011-12-23 | |
| US61/579,845 | 2011-12-23 | ||
| PCT/US2012/071034 WO2013096664A1 (en) | 2011-12-23 | 2012-12-20 | Ink composition for making a conductive silver structure |
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| JP2017231105A Division JP6557317B2 (ja) | 2011-12-23 | 2017-11-30 | 導電性銀構造を形成するためのインク組成物 |
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| Publication Number | Publication Date |
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| JP2015508434A JP2015508434A (ja) | 2015-03-19 |
| JP6300731B2 true JP6300731B2 (ja) | 2018-03-28 |
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| JP2017231105A Active JP6557317B2 (ja) | 2011-12-23 | 2017-11-30 | 導電性銀構造を形成するためのインク組成物 |
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| Country | Link |
|---|---|
| US (1) | US9469773B2 (ja) |
| EP (1) | EP2795627B1 (ja) |
| JP (2) | JP6300731B2 (ja) |
| KR (1) | KR102109390B1 (ja) |
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| WO2013096664A1 (en) | 2011-12-23 | 2013-06-27 | The Board Of Trustees Of The University Of Illinois | Ink composition for making a conductive silver structure |
| KR101266985B1 (ko) * | 2012-08-14 | 2013-05-22 | 엔젯 주식회사 | 터치스크린 패널 제조방법 |
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| CA2915409A1 (en) | 2013-06-24 | 2014-12-31 | President And Fellows Of Harvard College | Printed three-dimensional (3d) functional part and method of making |
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