JP6563811B2 - 透明電極及びその製造方法 - Google Patents
透明電極及びその製造方法 Download PDFInfo
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- JP6563811B2 JP6563811B2 JP2015532835A JP2015532835A JP6563811B2 JP 6563811 B2 JP6563811 B2 JP 6563811B2 JP 2015532835 A JP2015532835 A JP 2015532835A JP 2015532835 A JP2015532835 A JP 2015532835A JP 6563811 B2 JP6563811 B2 JP 6563811B2
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- C—CHEMISTRY; METALLURGY
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
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- H—ELECTRICITY
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
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- H—ELECTRICITY
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
- H05K3/1283—After-treatment of the printed patterns, e.g. sintering or curing methods
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0306—Inorganic insulating substrates, e.g. ceramic, glass
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/01—Dielectrics
- H05K2201/0104—Properties and characteristics in general
- H05K2201/0108—Transparent
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0203—Fillers and particles
- H05K2201/0242—Shape of an individual particle
- H05K2201/026—Nanotubes or nanowires
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/105—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by conversion of non-conductive material on or in the support into conductive material, e.g. by using an energy beam
- H05K3/106—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by conversion of non-conductive material on or in the support into conductive material, e.g. by using an energy beam by photographic methods
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Description
FeCl3(和光純薬工業株式会社製、塩化鉄(III))0.9732g(0.006mol)を100mlのメスフラスコで秤量し、エチレングリコールを標線の9割程度まで入れて、完全に溶解した後、標線までエチレングリコールで希釈した。ホールピペットを用いて作製した溶液1mlを量りとり、100mlメスフラスコに入れて、エチレングリコールにて標線まで希釈した。
反応フラスコ(容量150ml、外径60mm)とビーカー(容量100ml)にエチレングリコール(和光純薬工業株式会社製、エチレングリコール)を25gずつ量り取った。ポリビニルピロリドンK−90(和光純薬工業株式会社製)0.2g(1.8mmol)、AgNO3(和光純薬工業株式会社製、硝酸銀)0.25g(1.5mmol)を秤量し、反応フラスコとビーカー中へそれぞれ撹拌しながら静かに投入した。完全に溶解した後、ビーカー中の溶液を反応フラスコへ移し、上で調製したFeCl3エチレングリコール溶液(600μモル/リットル溶液)3.413g(0.0018mmol)を加え、マグネティックスターラーを用いて溶液を5分間撹拌した。その後、150℃で温度が安定している有機合成装置(EYELA東京理化器械株式会社製、ケミステーション PPV−CTRL1)に反応フラスコを装着し1.5時間加熱反応させた。加熱反応中、撹拌は行わなかった。
1.5時間経過後、反応フラスコの加熱を止め、室温程度になるまで反応溶液を冷却した。反応容器に反応溶液の約4倍容積のアセトンを加えて撹拌した後静置し、反応フラスコの底にワイヤを沈殿させた。
実施例1
透明導電性インクの調製には、市販の銀ナノワイヤ分散液SLV−NW−35(bluenano社製 イソプロパノール分散液、濃度10mg/mL、銀ナノワイヤの径35nm、長さ約15μm(カタログ値))を原料として使用した。この銀ナノワイヤ分散液25mLに対して、予めポリビニルピロリドン((株)日本触媒製)0.75gをジプロピレングリコールモノメチルエーテル(関東化学(株)より試薬で購入)4.8gに室温にて溶解させておいた溶液を加え、混合させた後、イソプロパノールを留去し溶媒置換を行った。その後テルソルブ MTPH(日本テルペン化学(株)製、イソボルニルシクロヘキサノール)を19.2g加え、(株)シンキー社製自転・公転真空ミキサーあわとり練太郎ARV−310を用いて回転数1200rpmで3分間撹拌し、銀ナノワイヤの濃度が1質量%、ポリビニルピロリドンの濃度が3質量%である透明導電性インクを得た。
SLV−NW−35の25mLに対して添加するポリビニルピロリドンのジプロピレングリコールモノメチルエーテル溶液の濃度およびテルソルブ MTPHの量を変更する以外は実施例1同様の操作で各々調製した。
上記合成で得られた銀ナノワイヤのエタノール分散液を原料として用いた。分散溶媒がエタノールであり、濃度が0.2質量%である点以外はSLV−NW−35を用いた実施例1の場合と同様の操作により透明導電性インクを調製した。
バインダー樹脂を含まないインクも同様の操作により作製した。
Claims (7)
- 金属ナノワイヤ及び/または金属ナノチューブと、バインダー樹脂とを含み、前記バインダー樹脂が、5〜40℃の範囲で流動性を有さない、アクリル樹脂、エポキシ樹脂、エポキシアクリレート樹脂、ウレタンアクリレート樹脂、不飽和ポリエステル樹脂、アリルエステル樹脂、ジアリルフタレート(DAP)樹脂、ウレタン樹脂、シリコーン樹脂、ポリエステル樹脂、ポリカーボネート樹脂、ポリアミド樹脂(ナイロン)、アモルファスポリオレフィン樹脂、ポリスチレン、ポリ酢酸ビニル、ポリN−ビニルアミド、ポリ−4−メチルペンテン−1からなる群から選択される少なくとも1種であり、前記金属ナノワイヤ及び/または金属ナノチューブ100質量部に対して前記バインダー樹脂300〜2500質量部を含み、表面抵抗が0.1〜500Ω/□であり、表面の算術平均粗さRa≦5nmであり、単一の導電層より構成されていることを特徴とする透明電極。
- 前記表面の算術平均粗さRa≦4nmである請求項1に記載の透明電極。
- 前記透明電極中の金属ナノワイヤ及び/または金属ナノチューブの含有量が、4〜50質量%である請求項1または2に記載の透明電極。
- 前記金属ナノワイヤ及び/または金属ナノチューブの金属が銀を含む請求項1〜3のいずれかに記載の透明電極。
- 前記バインダー樹脂がポリN−ビニルピロリドン、ポリN−ビニルカプロラクタム、ポリN−ビニルアセトアミド、ポリN−ビニルホルムアミドからなる群から選択される少なくとも1種である請求項1〜4のいずれかに記載の透明電極。
- バインダー樹脂を溶媒に溶解させた溶液中に金属ナノワイヤ及び/または金属ナノチューブを分散させ、前記金属ナノワイヤ及び/または金属ナノチューブ100質量部に対して前記バインダー樹脂300〜2500質量部を含む透明導電性インクにより基板上に所望の形状の電極パターンをグラビア印刷またはスクリーン印刷により印刷する工程と、
前記印刷した電極パターンにパルス光を照射する工程と、
を有し、
前記バインダー樹脂が、5〜40℃の範囲で流動性を有さない、アクリル樹脂、エポキシ樹脂、エポキシアクリレート樹脂、ウレタンアクリレート樹脂、不飽和ポリエステル樹脂、アリルエステル樹脂、ジアリルフタレート(DAP)樹脂、ウレタン樹脂、シリコーン樹脂、ポリエステル樹脂、ポリカーボネート樹脂、ポリアミド樹脂(ナイロン)、アモルファスポリオレフィン樹脂、ポリスチレン、ポリ酢酸ビニル、ポリN−ビニルアミド、ポリ−4−メチルペンテン−1からなる群から選択される少なくとも1種であることを特徴とする請求項1〜5のいずれかに記載の透明電極の製造方法。 - 請求項1に記載の透明電極を形成するための透明電極形成用透明導電性インクであって、金属ナノワイヤ及び/または金属ナノチューブと、溶媒と、溶媒に溶解するバインダー樹脂とを含み、前記バインダー樹脂が、5〜40℃の範囲で流動性を有さない、アクリル樹脂、エポキシ樹脂、エポキシアクリレート樹脂、ウレタンアクリレート樹脂、不飽和ポリエステル樹脂、アリルエステル樹脂、ジアリルフタレート(DAP)樹脂、ウレタン樹脂、シリコーン樹脂、ポリエステル樹脂、ポリカーボネート樹脂、ポリアミド樹脂(ナイロン)、アモルファスポリオレフィン樹脂、ポリスチレン、ポリ酢酸ビニル、ポリN−ビニルアミド、ポリ−4−メチルペンテン−1からなる群から選択される少なくとも1種であり、前記金属ナノワイヤ及び/または金属ナノチューブ100質量部に対して前記バインダー樹脂300〜2500質量部を含み、25℃における粘度が300〜2×105mPa・sであることを特徴とする透明電極形成用透明導電性インク。
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JP2012209123A (ja) * | 2011-03-29 | 2012-10-25 | Sumitomo Metal Mining Co Ltd | 透明導電膜の製造方法及び透明導電膜、透明導電基板並びにそれを用いたデバイス |
JP2012216535A (ja) * | 2011-03-31 | 2012-11-08 | Mitsubishi Chemicals Corp | 金属ナノワイヤー含有透明導電膜及びその塗布液 |
JP5750017B2 (ja) * | 2011-09-28 | 2015-07-15 | 富士フイルム株式会社 | 配線構造体、配線構造体の製造方法、及びタッチパネル |
WO2013118599A1 (ja) * | 2012-02-10 | 2013-08-15 | コニカミノルタ株式会社 | 透明電極形成用組成物、透明電極、有機電子素子および透明電極の製造方法 |
KR101511996B1 (ko) | 2012-03-09 | 2015-04-14 | 쇼와 덴코 가부시키가이샤 | 투명 도전 패턴의 제조 방법 |
JP5761110B2 (ja) * | 2012-04-11 | 2015-08-12 | 株式会社デンソー | 燃料電池システム |
TWI619060B (zh) * | 2012-04-26 | 2018-03-21 | 國立大學法人大阪大學 | 透明導電基板之製造方法、透明導電基板及靜電電容式觸控面板 |
CN103106950A (zh) | 2013-01-10 | 2013-05-15 | 中国航空工业集团公司北京航空材料研究院 | 一种导电泡沫及其制备方法 |
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