WO2012170291A2 - Procédés de préparation de nanofil, compositions et articles - Google Patents

Procédés de préparation de nanofil, compositions et articles Download PDF

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Publication number
WO2012170291A2
WO2012170291A2 PCT/US2012/040386 US2012040386W WO2012170291A2 WO 2012170291 A2 WO2012170291 A2 WO 2012170291A2 US 2012040386 W US2012040386 W US 2012040386W WO 2012170291 A2 WO2012170291 A2 WO 2012170291A2
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WO
WIPO (PCT)
Prior art keywords
metal
ion
metal ion
nanowire
silver
Prior art date
Application number
PCT/US2012/040386
Other languages
English (en)
Other versions
WO2012170291A3 (fr
Inventor
David R. Whitcomb
William D. Ramsden
Original Assignee
Carestream Health, Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US13/289,513 external-priority patent/US9039804B2/en
Priority claimed from US13/482,312 external-priority patent/US9101983B2/en
Application filed by Carestream Health, Inc. filed Critical Carestream Health, Inc.
Publication of WO2012170291A2 publication Critical patent/WO2012170291A2/fr
Publication of WO2012170291A3 publication Critical patent/WO2012170291A3/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/054—Nanosized particles
    • B22F1/0547—Nanofibres or nanotubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0466—Alloys based on noble metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C5/00—Alloys based on noble metals
    • C22C5/06—Alloys based on silver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy

Definitions

  • the general preparation of silver nanowires (10-200 aspect ratio) is known. See, for example, Angew. Chem. Int. Ed. 2009, 48, 60, Y. Xia, Y. Xiong, B. Lim, S. E. Skrabalak, which is hereby incorporated by reference in its entirety. Such preparations typically employ Fe 2+ or Cu 2+ ions to "catalyze" the wire formation over other morphologies.
  • the controlled preparation of silver nanowires having desired lengths and widths is not known. For example, the Fe 2+ produces a wide variety of lengths or thicknesses and the Cu 2+ produces wires that are too thick for many applications.
  • the metal ions used to catalyze wire formation are generally primarily reported to be provided as a metal halide salt, usually as a metal chloride, for example, FeCl 2 or CuCl 2 .
  • a metal chloride for example, FeCl 2 or CuCl 2 .
  • CN 102029400 which discloses NaCl, MnCl 2 , and Na 2 S.
  • At least some embodiments provide methods comprising providing at least one first composition comprising at least one first reducible metal ion, and reducing the at least one first reducible metal ion to at least one first metal nanowire in the presence of at least one second metal ion comprising at least one lanthanide element or actinide element.
  • the at least one first reducible metal ion may, for example, comprise at least one coinage metal ion, or at least one ion of an IUPAC Group 11 element, such as, for example, at least one silver ion.
  • the at least one first composition comprises silver nitrate.
  • the at least one second metal ion may, for example, comprise at least one thorium ion. In some cases, the at least one second metal ion may comprise thorium in its +4 oxidation state. Some such methods may further comprise providing at least one compound comprising the at least one second metal ion at least nitrate moiety.
  • An exemplary compound is thorium (IV) nitrate tetrahydrate.
  • the reduction of the first reducible metal ion may, in some cases, occur in the presence of either or both of at least one protecting agent or at least one polyol.
  • the at least one first metal nanowire may, for example, comprise an average diameter between about 10 nm and about 500 nm. In some cases, such an average diameter may be less than about 40 nm.
  • the at least one first metal nanowire may, for example, comprise an aspect ratio between about 50 and about 10,000.
  • Some embodiments provide products comprising the at least one first metal produced by such methods.
  • such products may comprise at least one metal nanowire.
  • compositions comprising at least one metal nanowire and at least one lanthanide ion or actinide ion.
  • the at least one metal nanowire comprises at least one silver nanowire.
  • Such a metal nanowire may, for example, comprise an average diameter between about 10 nm and about 500 nm.
  • such a metal nanowire may, for example, comprise an aspect ratio between about 50 and about 10,000.
  • such a metal nanowire may, for example, comprises an average diameter between about 10 nm and about 150 nm, and an aspect ratio between about 50 and about 10,000.
  • products comprising such metal nanowires or articles comprising such products.
  • Non-limiting examples of such articles include electronic displays, touch screens, portable telephones, cellular telephones, computer displays, laptop computers, tablet computers, point- of-purchase kiosks, music players, televisions, electronic games, electronic book readers, transparent electrodes, solar cells, light emitting diodes, other electronic devices, medical imaging devices, medical imaging media, and the like.
  • FIG 1 shows an optical micrograph of the silver nanowire product of Example 1.
  • FIG 2 shows an optical micrograph of the silver nanowire product of Example 2.
  • FIG 3 shows an optical micrograph of the silver nanowire product of Example 3.
  • Some embodiments provide methods comprising reducing at least one reducible metal ion to at least one metal.
  • a reducible metal ion is a cation that is capable of being reduced to a metal under some set of reaction conditions.
  • the at least one first reducible metal ion may, for example, comprise at least one coinage metal ion.
  • a coinage metal ion is an ion of one of the coinage metals, which include copper, silver, and gold.
  • a reducible metal ion may, for example, comprise at least one ion of an IUPAC Group 11 element.
  • An exemplary reducible metal ion is a silver cation.
  • Such reducible metal ions may, in some cases, be provided as salts.
  • silver cations might, for example, be provided as silver nitrate.
  • the at least one metal is that metal to which the at least one reducible metal ion is capable of being reduced.
  • silver would be the metal to which a silver cation would be capable of being reduced.
  • Nanostructures Nanostructures, Nanostructures, and Nanowires
  • the metal product formed by such methods is a nanostructure, such as, for example, a one-dimensional nano structure.
  • Nanostructures are structures having at least one "nanoscale" dimension less than 300 nm, and at least one other dimension being much larger than the nanoscale dimension, such as, for example, at least about 10 or at least about 100 or at least about 200 or at least about 1000 times larger.
  • nanoscale dimension such as, for example, at least about 10 or at least about 100 or at least about 200 or at least about 1000 times larger.
  • nanostructures are nanorods, nanowires, nanotubes, nanopyramids, nanoprisms, nanoplates, and the like.
  • “One-dimensional" nanostructures have one dimension that is much larger than the other two dimensions, such as, for example, at least about 10 or at least about 100 or at least about 200 or at least about 1000 times larger.
  • Nanowires are one-dimensional nanostructures in which the two short dimensions (the thickness dimensions) are less than 300 nm, preferably less than 100 nm, while the third dimension (the length dimension) is greater than 1 micron, preferably greater than 10 microns, and the aspect ratio (ratio of the length dimension to the larger of the two thickness dimensions) is greater than five. Nanowires are being employed as conductors in electronic devices or as elements in optical devices, among other possible uses. Silver nanowires are preferred in some such applications.
  • Nanowires and other nanostructure products may be incorporated into articles, such as, for example, electronic displays, touch screens, portable telephones, cellular telephones, computer displays, laptop computers, tablet computers, point-of-purchase kiosks, music players, televisions, electronic games, electronic book readers, transparent electrodes, solar cells, light emitting diodes, other electronic devices, medical imaging devices, medical imaging media, and the like.
  • a common method of preparing nanostructures, such as, for example, nanowires, is the "polyol" process.
  • Such a process is described in, for example, Angew. Chem. Int. Ed. 2009, 48, 60, Y. Xia, Y. Xiong, B. Lim, S. E. Skrabalak, which is hereby incorporated by reference in its entirety.
  • Such processes typically reduce a metal cation, such as, for example, a silver cation, to the desired metal
  • nanostructure product such as, for example, a silver nanowire.
  • a reduction may be carried out in a reaction mixture that may, for example, comprise one or more polyols, such as, for example, ethylene glycol (EG), propylene glycol, butanediol, glycerol, sugars, carbohydrates, and the like; one or more protecting agents, such as, for example, polyvinylpyrrolidinone (also known as
  • the reduction of the reducible metal ion occurs in the presence of at least one second metal ion comprising at least one actinide element.
  • a reduction may, for example, occur in the presence of at least one actinide element in its +2, +3, or +4 oxidation state.
  • An exemplary second metal ion is Th 4+ .
  • Such an ion may, for example, be provided by such compounds as thorium (IV) nitrate tetrahydrate.
  • a method comprising:
  • a product comprising the at least one first metal produced by the method according to embodiment A.
  • a composition comprising at least one metal nanowire, at least one chloride ion, and at least one ion of a lanthanide element or at least one ion of an actinide element.
  • composition according to embodiment N wherein the at least one metal nanowire comprises at least one silver nanowire.
  • composition according to embodiment N wherein the at least one metal nanowire comprises an average diameter between about 10 nm and about 500 nm.
  • composition according to embodiment N wherein the at least one metal nanowire comprises an aspect ratio between about 50 and about 10,000.
  • S The composition according to embodiment N, wherein the at least one metal nanowire comprises an average diameter between about 10 nm and about 150 nm, and an aspect ratio between about 50 and about 10,000.
  • a product comprising the at least one metal nanowire of the composition of embodiment N.
  • An article comprising the at least one product according to embodiment T. V.
  • the article according to embodiment U comprising at least one of an electronic display, a touch screen, a portable telephone, a cellular telephone, a computer display, a laptop computer, a tablet computer, a point-of-purchase kiosk, a music player, a television, an electronic game, an electronic book reader, a transparent electrode, a solar cell, a light emitting diode, an electronic device, a medical imaging device, or a medical imaging medium.
  • Figure 1 shows an optical micrograph of the silver nanowire product, which had an average nanowire length of 28.2 + 10.4 ⁇ and an average nanowire diameter of 56.1 + 13.7 nm, based upon measurement of at least 100 wires.
  • PG polyvinylpyrrolidinone
  • PVP polyvinylpyrrolidinone
  • Figure 2 shows an optical micrograph of the silver nanowire product, which had an average nanowire length of 10.2 + 6.6 ⁇ and an average nanowire diameter of 36.8 + 6.0 nm, based upon measurement of at least
  • Figure 3 shows an optical micrograph of the silver nanowire product, which had an average nanowire length of 16.3 + 6.9 ⁇ and an average nanowire diameter of 35.9 + 6.2 nm, based upon measurement of at least

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

L'invention concerne des procédés de préparation de nanomatière, des compositions et des articles. De tels procédés peuvent fournir des nanomatières avec des morphologies améliorées par rapport à des procédés antérieurs. De telles matières sont utiles dans des applications électroniques.
PCT/US2012/040386 2011-06-07 2012-06-01 Procédés de préparation de nanofil, compositions et articles WO2012170291A2 (fr)

Applications Claiming Priority (30)

Application Number Priority Date Filing Date Title
US201161494072P 2011-06-07 2011-06-07
US61/494,072 2011-06-07
US201161500156P 2011-06-23 2011-06-23
US61/500,156 2011-06-23
US201161521859P 2011-08-10 2011-08-10
US201161521776P 2011-08-10 2011-08-10
US201161521867P 2011-08-10 2011-08-10
US61/521,859 2011-08-10
US61/521,776 2011-08-10
US61/521,867 2011-08-10
US201161522258P 2011-08-11 2011-08-11
US61/522,258 2011-08-11
US201161522766P 2011-08-12 2011-08-12
US201161522757P 2011-08-12 2011-08-12
US201161522749P 2011-08-12 2011-08-12
US201161522738P 2011-08-12 2011-08-12
US61/522,749 2011-08-12
US61/522,766 2011-08-12
US61/522,738 2011-08-12
US61/522,757 2011-08-12
US201161523419P 2011-08-15 2011-08-15
US61/523,419 2011-08-15
US201161523893P 2011-08-16 2011-08-16
US201161523882P 2011-08-16 2011-08-16
US61/523,882 2011-08-16
US61/523,893 2011-08-16
US13/289,513 US9039804B2 (en) 2010-12-09 2011-11-04 Nanowire preparation methods, compositions, and articles
US13/289,513 2011-11-04
US13/482,312 US9101983B2 (en) 2010-12-09 2012-05-29 Nanowire preparation methods, compositions, and articles
US13/482,312 2012-05-29

Publications (2)

Publication Number Publication Date
WO2012170291A2 true WO2012170291A2 (fr) 2012-12-13
WO2012170291A3 WO2012170291A3 (fr) 2013-01-31

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TW (1) TW201249569A (fr)
WO (1) WO2012170291A2 (fr)

Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN103084584A (zh) * 2013-01-29 2013-05-08 中国科学院理化技术研究所 一种利用水热法制备银纳米线的方法
CN104043838A (zh) * 2014-05-14 2014-09-17 中国科学院合肥物质科学研究院 利用不同分子量的pvp及反应温度调控银纳米线长度的方法
CN106735294A (zh) * 2016-12-11 2017-05-31 浙江大学 银纳米线的制备方法
CN110983094A (zh) * 2019-11-22 2020-04-10 重庆材料研究院有限公司 一种用作抵抗高温变形的高强度铂材料和制备方法

Families Citing this family (2)

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TWI467168B (zh) * 2012-12-24 2015-01-01 Nat Univ Tsing Hua 奈米材料混成電極及其製作方法
CN108971510A (zh) * 2018-07-26 2018-12-11 深圳清华大学研究院 银纳米线及其制备方法、银纳米线薄膜及复合薄膜

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CN101934377A (zh) 2010-09-14 2011-01-05 浙江大学 一种快速高效的银纳米线合成方法
CN102029400A (zh) 2010-11-25 2011-04-27 浙江科创新材料科技有限公司 一种阳离子控制微波法制备线径可控银纳米线的方法

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103084584A (zh) * 2013-01-29 2013-05-08 中国科学院理化技术研究所 一种利用水热法制备银纳米线的方法
CN104043838A (zh) * 2014-05-14 2014-09-17 中国科学院合肥物质科学研究院 利用不同分子量的pvp及反应温度调控银纳米线长度的方法
CN106735294A (zh) * 2016-12-11 2017-05-31 浙江大学 银纳米线的制备方法
CN110983094A (zh) * 2019-11-22 2020-04-10 重庆材料研究院有限公司 一种用作抵抗高温变形的高强度铂材料和制备方法
CN110983094B (zh) * 2019-11-22 2021-11-30 重庆材料研究院有限公司 一种用作抵抗高温变形的高强度铂材料和制备方法

Also Published As

Publication number Publication date
WO2012170291A3 (fr) 2013-01-31
TW201249569A (en) 2012-12-16

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