Template Synthesis of Nanowires in Porous Polycarbonate Membranes:  Electrochemistry and Morphology

Schönenberger, Christian; Zande, B. M. I. van der; Fokkink, L. G. J.; Henny, M.; Schmid, Caecilia; Krüger, Michael; Bachtold, Adrian; Huber, R.; Birk, Harjus; Staufer, U.

doi:10.1021/jp963938g

Cited by 505 publications

(414 citation statements)

References 19 publications

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“…Figure 16.2.6B shows that more detailed images are obtained after the removal of the guest membrane by dissolution with CH 2 Cl 2 ; in this case, the nickel nanowires have a curious mushroom shape (47). Figure 16.2.6C shows that information about the inner structure of the nanofibers inside PC templates can be obtained by TEM without removal of the guest membrane thanks to the transparency of the PC to electron beams (83).…”

Section: Sem-tem Studiesmentioning

confidence: 99%

“…This can be produced by plasma or vacuum deposition of a metal layer on one side of the membrane (25) and requires that the membrane film be robust enough to tolerate this kind of manipulation. The thickness of the conductive layer is typically 100-1000 nm (45)(46)(47). The metal which produces the conductive layer can be the same or different from the one that will provide the final template structure.…”

Section: Electrochemical Depositionmentioning

confidence: 99%

“…Track-etched membranes can be dissolved by using suitable organic solvents such as CH 2 Cl 2 for PC (3,47) (40). Polymers can also be etched by treatment with oxygen plasma (82).…”

Section: Separation From the Templatementioning

confidence: 99%

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Template Deposition of Metals

Ugo

Moretto

2007

Handbook of Electrochemistry

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Template synthesis is a relatively simple and easy procedure which has made the fabrication of rather sophisticated nanomaterials accessible to almost any laboratory. Template synthesis requires access to instrumentation capable of metal sputtering and electrochemical deposition. The characterization of the fabricated nanostructures can be done using instrumental techniques including spectrophotometry, voltammetry, optical microscopy, atomic force microscopy, and electronic microscopies (scanning electron microscopy (SEM) and transmission electron microscopy (TEM)).The method is based on the simple but effective idea that the pores of a host material can be used as a template to direct the growth of new materials. Historically, template synthesis was introduced by Possin (1) and refined by Williams and Giordano (2) who prepared different metallic nanowires with widths as small as 10 nm within the pores of etched nuclear damaged tracks in mica. It was further developed by Martin's group (3-5) and followed by others (6) with the number of examples and applications (7) continually increasing. The nanoporous membranes usually employed as templates are alumina or track-etched polymeric membranes which are widely used as ultrafiltration membranes. Recently, metal nanostructures have also been obtained using the pores created by self-assembly in block copolymer structures under the influence of electric fields and high temperatures (8, 9).The first part of this section focuses on the main characteristics and fabrication techniques used for obtaining templating membranes and depositing metal nanostructures by suitable electroless and electrochemical procedures. Methods such as sol-gel (10-12) or chemical vapor deposition (10, 13), which have been used primarily for the template deposition of carbon, oxides, or semiconducting-based materials, will not be considered here in detail. The second part of the section focuses on the electrochemical properties of the fabricated nanomaterials with emphasis on the characteristics and applications of nanoelectrode ensembles (NEEs). Templating membranes 16.2.2

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Section: Sem-tem Studiesmentioning

confidence: 99%

Section: Electrochemical Depositionmentioning

confidence: 99%

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Template Deposition of Metals

Ugo

Moretto

2007

Handbook of Electrochemistry

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“…Martin [53][54][55] subsequently created pores in polycarbonate membranes by track-etch method. In this work, polycarbonate membranes were purchased from Whatman and had pore lengths of 20 μm and diameter of the order of 200 nm.…”

Section: Semiconducting Insb Nanowires Grown In Polycarbonate Templatementioning

confidence: 99%

Understanding the Mechanisms that Affect the Quality of Electrochemically Grown Semiconducting Nanowires

Singh¹

2018

Semiconductors - Growth and Characterization

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Template-assisted synthesis of nanowires is a simple electrochemical technique commonly used in the fabrication of semiconducting nanowires. It is an easy and cost-effective approach compared to conventional lithography, which requires expensive equipment. The focus of this chapter is on the various mechanisms involving mass transport of ions during successive stages of the template-assisted electrochemical growth of indium antimonide (InSb) nanowires. The nanowires were grown in two different templates such as commercially available anodic aluminum oxide (AAO) templates and polycarbonate membranes. The chapter also presents the results of characterizing the InSb nanowires connected in a field effect transistor (FET) configuration. The Sb-rich InSb nanowires that were fabricated by DC electrodeposition in nanoporous AAO exhibited hole-dominated transport (p-type conduction). Temperature-dependent transport measurement shows the semiconducting nature of these nanowires.

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“…На четвертой стадии (на зависимости процесса I(t) не указана) разрастающиеся " крышечки" образуют сплошной слой на поверхности темплата, и дальнейшее осаждение приводит лишь к увеличению толщины слоя металла. Следует отметить, что поведение I(t) на хроно-амперограммах зависит от параметров осаждения [22,24] и формы пор [25]. Рост нанотрубок для исследования их структурных и магнитных характеристик был ограничен третьей стадией осаждения, при этом время осаждения составляло t = 140 s.…”

Section: результаты и обсуждениеunclassified

Структура И Физические Свойства Железных Нанотрубок, Полученных Методом Темплатного Синтеза

Шумская¹,

Канюков²,

Козловский³

et al. 2017

Физика Твердого Тела

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На базе полиэтилентерефталатовых темплатов методом электрохимического осаждения синтезированы железные нанотрубки с аспектным соотношением порядка 100. Методами сканирующей электронной микро-скопии, энергодисперсионного анализа, просвечивающей электронной микроскопии, дифракции электронов, рентгеноструктурного анализа и газопроницаемости проведено детальное исследование структурных и морфологических особенностей нанотрубок. При помощи вибрационной магнитометрии и мессбауэровской спектроскопии определены основные магнитные параметры, а также их зависимость от температуры.

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Template Synthesis of Nanowires in Porous Polycarbonate Membranes: Electrochemistry and Morphology

Cited by 505 publications

References 19 publications

Template Deposition of Metals

Template Deposition of Metals

Understanding the Mechanisms that Affect the Quality of Electrochemically Grown Semiconducting Nanowires

Структура И Физические Свойства Железных Нанотрубок, Полученных Методом Темплатного Синтеза

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