JP5429192B2 - パターン電極の製造方法及びパターン電極 - Google Patents
パターン電極の製造方法及びパターン電極 Download PDFInfo
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- JP5429192B2 JP5429192B2 JP2010546571A JP2010546571A JP5429192B2 JP 5429192 B2 JP5429192 B2 JP 5429192B2 JP 2010546571 A JP2010546571 A JP 2010546571A JP 2010546571 A JP2010546571 A JP 2010546571A JP 5429192 B2 JP5429192 B2 JP 5429192B2
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- SRPOMGSPELCIGZ-UHFFFAOYSA-N disulfino carbonate Chemical compound OS(=O)OC(=O)OS(O)=O SRPOMGSPELCIGZ-UHFFFAOYSA-N 0.000 description 1
- WBZKQQHYRPRKNJ-UHFFFAOYSA-L disulfite Chemical compound [O-]S(=O)S([O-])(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-L 0.000 description 1
- PCAXGMRPPOMODZ-UHFFFAOYSA-N disulfurous acid, diammonium salt Chemical compound [NH4+].[NH4+].[O-]S(=O)S([O-])(=O)=O PCAXGMRPPOMODZ-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- DEFVIWRASFVYLL-UHFFFAOYSA-N ethylene glycol bis(2-aminoethyl)tetraacetic acid Chemical compound OC(=O)CN(CC(O)=O)CCOCCOCCN(CC(O)=O)CC(O)=O DEFVIWRASFVYLL-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
- NBZBKCUXIYYUSX-UHFFFAOYSA-N iminodiacetic acid Chemical compound OC(=O)CNCC(O)=O NBZBKCUXIYYUSX-UHFFFAOYSA-N 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- TYQCGQRIZGCHNB-JLAZNSOCSA-N l-ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(O)=C(O)C1=O TYQCGQRIZGCHNB-JLAZNSOCSA-N 0.000 description 1
- 238000013532 laser treatment Methods 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229960003330 pentetic acid Drugs 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920000172 poly(styrenesulfonic acid) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920006289 polycarbonate film Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229940005642 polystyrene sulfonic acid Drugs 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- DJEHXEMURTVAOE-UHFFFAOYSA-M potassium bisulfite Chemical compound [K+].OS([O-])=O DJEHXEMURTVAOE-UHFFFAOYSA-M 0.000 description 1
- 229940099427 potassium bisulfite Drugs 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- 235000010259 potassium hydrogen sulphite Nutrition 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- RWPGFSMJFRPDDP-UHFFFAOYSA-L potassium metabisulfite Chemical compound [K+].[K+].[O-]S(=O)S([O-])(=O)=O RWPGFSMJFRPDDP-UHFFFAOYSA-L 0.000 description 1
- 229940043349 potassium metabisulfite Drugs 0.000 description 1
- 235000010263 potassium metabisulphite Nutrition 0.000 description 1
- BHZRJJOHZFYXTO-UHFFFAOYSA-L potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 description 1
- 235000019252 potassium sulphite Nutrition 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- VGTPCRGMBIAPIM-UHFFFAOYSA-M sodium thiocyanate Chemical compound [Na+].[S-]C#N VGTPCRGMBIAPIM-UHFFFAOYSA-M 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 150000003567 thiocyanates Chemical class 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 1
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 1
- 150000003585 thioureas Chemical class 0.000 description 1
- 229920006163 vinyl copolymer Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N vinyl-ethylene Natural products C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- 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
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
- H05K3/067—Etchants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022466—Electrodes made of transparent conductive layers, e.g. TCO, ITO layers
- H01L31/022491—Electrodes made of transparent conductive layers, e.g. TCO, ITO layers composed of a thin transparent metal layer, e.g. gold
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/532—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
- H01L23/53204—Conductive materials
- H01L23/53276—Conductive materials containing carbon, e.g. fullerenes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0275—Fibers and reinforcement materials
- H05K2201/0281—Conductive fibers
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0756—Uses of liquids, e.g. rinsing, coating, dissolving
- H05K2203/0766—Rinsing, e.g. after cleaning or polishing a conductive pattern
Landscapes
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Non-Insulated Conductors (AREA)
- Parts Printed On Printed Circuit Boards (AREA)
- Electrodes Of Semiconductors (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
- Manufacturing Of Electric Cables (AREA)
Description
本発明における導電層は、金属ナノワイヤを含有することを特徴とする。本発明における導電層の形成方法は、金属ナノワイヤを含む分散液を塗布、乾燥して膜形成する液相成膜法であれば特に制限はなく、ロールコート法、バーコート法、ディップコーティング法、スピンコーティング法、キャスティング法、ダイコート法、ブレードコート法、バーコート法、グラビアコート法、カーテンコート法、スプレーコート法、ドクターコート法等の塗布法を用いることが好ましい。また必要に応じて、導電性高分子または金属酸化物を含有する導電層またはバインダー樹脂を設置してもよいし、別の支持体へ転写して導電層を形成してもよい。
一般に、金属ナノワイヤとは、金属元素を主要な構成要素とする繊維状構造体のことをいう。特に、本発明における金属ナノワイヤとは、原子スケールからnmサイズの短径を有する多数の繊維状構造体を意味する。
本発明に用いられる金属ナノワイヤ除去液は、金属ナノワイヤを除去することができれば特に限定されないが、ハロゲン化銀カラー写真感光材料の現像処理に使用する漂白定着液を好ましく用いることができる。溶液は水溶液であることが好ましいが、下記に記載される漂白剤や定着剤等を溶解することができれば、エタノール等の有機溶媒でもよい。
本発明における水溶性バインダーは、具体的にはエチレン−ビニルアルコール共重合体、ポリビニルアルコール、ポリアクリル酸ナトリウムや、炭水化物及びその誘導体が好ましく用いられる。炭水化物及びその誘導体としては、水溶性セルロース誘導体と水溶性天然高分子が挙げられる。水溶性セルロース誘導体とは、メチル、ヒドロキシエチル、カルボキシメチルセルロースナトリウム(以下、CMCともいう)、カルボキシメチル等のセルロース誘導体をいう。また、水溶性天然高分子とは、でんぷん、でんぷん糊料、可溶性でんぷん、デキストリン等をいう。これらのうち、CMCが水に溶解しやすいことから好ましい。本発明における水溶性バインダーの分子量は必要粘度に応じ任意に選択することができる。
本発明における金属ナノワイヤ除去液をパターン印刷する方法としては、凸版(活版)印刷法、孔版(スクリーン)印刷法、平版(オフセット)印刷法、凹版(グラビア)印刷法、スプレー印刷法、インクジェット印刷法等の印刷法を用いることができるが、特にグラビア印刷法、スクリーン印刷法で行うのが好ましい。本発明における金属ナノワイヤ除去液を、本発明における金属ナノワイヤを含有する導電層にパターン電極を形成する上で不要となる部分にパターン印刷する。次いで水洗処理を行うことで、パターン電極を形成する上で不要となる部分の金属ナノワイヤを除去し、パターン電極を形成することができる。
本発明に用いられる支持体としては、特に制限はなく、その材料、形状、構造、厚み、硬度等については公知のものの中から適宜選択することができるが、高い光透過性を有していることが好ましい。例えば、ポリエチレンテレフタレート(PET)、ポリエチレンナフタレート、変性ポリエステル等のポリエステル系樹脂フィルム、ポリエチレン(PE)樹脂フィルム、ポリプロピレン(PP)樹脂フィルム、ポリスチレン樹脂フィルム、環状オレフィン系樹脂等のポリオレフィン類樹脂フィルム、ポリ塩化ビニル、ポリ塩化ビニリデン等のビニル系樹脂フィルム、ポリビニルブチラール(PVB)等のポリビニルアセタール樹脂フィルム、ポリエーテルエーテルケトン(PEEK)樹脂フィルム、ポリサルホン(PSF)樹脂フィルム、ポリエーテルサルホン(PES)樹脂フィルム、ポリカーボネート(PC)樹脂フィルム、ポリアミド樹脂フィルム、ポリイミド樹脂フィルム、アクリル樹脂フィルム、トリアセチルセルロース(TAC)樹脂フィルム等を挙げることができるが、可視域の波長(380〜780nm)における透過率が80%以上である樹脂フィルムであれば、本発明に好ましく適用することができる。中でも透明性、耐熱性、取り扱いやすさ、強度及びコストの点から、二軸延伸ポリエチレンテレフタレートフィルム、二軸延伸ポリエチレンナフタレートフィルム、ポリエーテルサルホンフィルム、ポリカーボネートフィルムであることが好ましく、二軸延伸ポリエチレンテレフタレートフィルム、二軸延伸ポリエチレンナフタレートフィルムであることがより好ましい。
本発明のパターン電極におけるパターン部の全光線透過率は、60%以上、好ましくは70%以上、特に好ましくは80%以上であることが望ましい。全光透過率は、分光光度計等を用いた公知の方法に従って測定することができる。
〔パターン電極TCF−1の作製;比較例〕
Adv.Mater.,2002,14,833〜837に記載の方法を参考に、PVP K30(分子量5万;ISP社製)を利用して、平均短径75nm、平均長さ35μmの銀ナノワイヤを作製し、限外濾過膜を用いて銀ナノワイヤを濾別、水洗処理した後、エタノール中に再分散し、バインダーとしてヒドロキシプロピルメチルセルロースを銀に対し25質量%加え、銀ナノワイヤ分散液を調製した。
グラビア塗布機Kプリンティングプルーファー(松尾産業株式会社製)に、10mmのストライプ状パターンを形成した版を取り付け、TCF−1の作製で用いた銀ナノワイヤ分散液の粘度をカルボキシメチルセルロースナトリウム(SIGMA−ALDRICH社製;C5013 以下、CMCと略記する)で1Pa・s(1000cP)に調整し、易接着加工済みポリエチレンテレフタレートフィルム支持体コスモシャイン(登録商標)A4100に、パターン部の銀ナノワイヤの目付け量が0.05g/m2となるように印刷回数を調整してグラビア印刷を行い、ストライプ状パターン電極TCF−2を作製した。
〈金属ナノワイヤ除去液BF−1の調製〉
エチレンジアミン4酢酸第2鉄アンモニウム 60g
エチレンジアミン4酢酸 2g
メタ重亜硫酸ナトリウム 15g
チオ硫酸アンモニウム 70g
マレイン酸 5g
純水で1Lに仕上げ、硫酸またはアンモニア水でpHを5.5に調整し金属ナノワイヤ除去液BF−1を調製した。
TCF−3の作製において、グラビア印刷を行う代わりに、10mmのストライプ状パターンを形成したスクリーン印刷用ポリエステルメッシュ(ミタニマイクロニクス株式会社製;255T)を用いて、TCF−3で作製した金属ナノワイヤ除去液BF−1の粘度をCMCで10Pa・s(10000cP)に調整し、銀ナノワイヤ塗布層の上に塗布膜厚30μmとなるようスクリーン印刷を行った。印刷後1分間放置し、次いで流水による水洗処理を行い、ストライプ状パターン電極TCF−4を作製した。
TCF−3の作製において、グラビア印刷を行う代わりに、インクジェットプリンター用いて、10mmのストライプ状パターンを、TCF−3で作製した金属ナノワイヤ除去液BF−1の粘度をCMCで30mPa・s(30cP)に調整し、銀ナノワイヤ塗布層の上に塗布膜厚30μmとなるよう印刷回数を調整してインクジェット印刷を行った。印刷後1分間放置し、次いで流水による水洗処理を行い、ストライプ状パターン電極TCF−5を作製した。
TCF−4の作製において、銀ナノワイヤ分散液を塗布する前に、エポキシ系バインダー架橋剤EX512(ナガセケムテックス社製)を、塗設量が銀ナノワイヤ分散液中のバインダー質量の10%となるようにアンダーコートした。次いで銀ナノワイヤ分散液を塗布した後120℃で30分加熱処理を行い、さらに銀ナノワイヤ塗布層の上に、導電性ポリマーPEDOT:PSS(ポリスチレンスルホン酸)=1:2.5の分散液であるBaytron PH510(H.C.Starck社製)に、バインダーとして導電性ポリマー固形分と同じ質量のPVA245(クラレ社製)及び架橋剤EX512をバインダー質量の10%添加した導電性ポリマー塗布液を、銀ナノワイヤ塗布層中の銀ナノワイヤがほぼ完全に埋没するようオーバーコートした後、120℃30分加熱処理を行った。その後の工程はTCF−4と同様にして、10mmのストライプ状パターンを形成したスクリーン印刷用ポリエステルメッシュを用いて、金属ナノワイヤ除去液BF−1の粘度をCMCで10Pa・s(10000cP)に調整し、銀ナノワイヤ塗布層の上に塗布膜厚30μmとなるようスクリーン印刷を行った。印刷後1分間放置し、次いで流水による水洗処理を行い、ストライプ状パターン電極TCF−6を作製した。
TCF−3の作製において、金属ナノワイヤ除去液BF−1の粘度を増粘剤アエロジル#200(微粒子シリカ;日本アエロジル社製)で0.5Pa・s(500cP)に調整した金属ナノワイヤ除去液によるパターン印刷、及び余分な銀ナノワイヤ塗布層の除去洗浄を行った以外は同様にして、ストライプ状パターン電極TCF−7を作製した。
TCF−3の作製において、下記の処方によって調製した金属ナノワイヤ除去液BF−2をCMCで0.5Pa・s(500cP)に調整した金属ナノワイヤ除去液を用いた金属ナノワイヤ除去液によるパターン印刷、及び余分な銀ナノワイヤ塗布層の除去洗浄を行った以外は同様にしてストライプ状パターン電極TCF−8を作製した。
純水を溶媒として硫酸及び硫酸第二鉄の濃度が、硫酸 5質量%、硫酸第二鉄 10質量%となるように金属ナノワイヤ除去液BF−2を調製した。
下記方法で、パターン電極TCF−1〜8の表面比抵抗及び透過率を測定した。
表面比抵抗は、ダイアインスツルメンツ製抵抗率計ロレスタGPを用いて、ストライプ状パターン部の表面比抵抗を四端子法で測定した。
透過率は、東京電色社製AUTOMATICHAZEMETER(MODEL TC−HIIIDP)を用いて、ストライプ状パターン部の全光線透過率を測定した。
Claims (7)
- 支持体上に形成された金属ナノワイヤを含有する導電層の上においてパターン電極を形成する上で不要となる部分に金属ナノワイヤ除去液をパターン印刷し、その後水洗を行うことにより前記パターン電極を形成する上で不要となる部分の金属ナノワイヤを除去することを特徴とするパターン電極の製造方法。
- 前記金属ナノワイヤは、銀ナノワイヤであることを特徴とする請求項1に記載のパターン電極の製造方法。
- 前記金属ナノワイヤ除去液は、漂白定着液を含有することを特徴とする請求項1または2に記載のパターン電極の製造方法。
- 前記金属ナノワイヤ除去液は、水溶性バインダーを含有することを特徴とする請求項1〜3のいずれか1項に記載のパターン電極の製造方法。
- 前記パターン印刷は、グラビア印刷法で行うことを特徴とする請求項1〜4のいずれか1項に記載のパターン電極の製造方法。
- 前記パターン印刷は、スクリーン印刷法で行うことを特徴とする請求項1〜4のいずれか1項に記載のパターン電極の製造方法。
- 請求項1〜6のいずれか1項に記載のパターン電極の製造方法により製造されたことを特徴とするパターン電極。
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