2019
DOI: 10.3390/ma12050721
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Optical Properties of Submillimeter Silver Nanowires Synthesized Using the Hydrothermal Method

Abstract: We report on the synthesis of long silver nanowires using the hydrothermal method, with H2O2 as the reducing agent. Our approach yields nanowires with an average diameter and length of about 100 nm and 160 µm, respectively, reaching the maximum length of 800 µm. Scanning electron microscopy (SEM) measurements revealed the presence of a thick, inhomogeneous poly(vinylpyrrolidone) (PVP) layer covering the nanowires, which with time becomes much more uniform, leading to well-defined extinction peaks in the ultrav… Show more

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Cited by 15 publications
(10 citation statements)
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“…Consequently the control of the plasmon interaction with electronic states of the emitters will be limited. The range of reports where the influence of plasmon excitations in metallic nanowires on the optical properties of nearby placed emitters is rather broad [28,29,30,31,32,33,34,35], we shall concentrate here on three types of structures: where emitters are mixed together with the nanowires [29,32] or placed above them [30,31], where conjugation is used to specifically attach emitters to silver nanowires, and where the properties of single emitters are investigated [34,36,37]. This subjective overview will present a variety of structures that can be fabricated and the spectrum of effects that emerge in such systems and that can be studied using fluorescence spectroscopy and spectroscopy.…”
Section: Metal-enhanced Fluorescence With Silver Nanowiresmentioning
confidence: 99%
“…Consequently the control of the plasmon interaction with electronic states of the emitters will be limited. The range of reports where the influence of plasmon excitations in metallic nanowires on the optical properties of nearby placed emitters is rather broad [28,29,30,31,32,33,34,35], we shall concentrate here on three types of structures: where emitters are mixed together with the nanowires [29,32] or placed above them [30,31], where conjugation is used to specifically attach emitters to silver nanowires, and where the properties of single emitters are investigated [34,36,37]. This subjective overview will present a variety of structures that can be fabricated and the spectrum of effects that emerge in such systems and that can be studied using fluorescence spectroscopy and spectroscopy.…”
Section: Metal-enhanced Fluorescence With Silver Nanowiresmentioning
confidence: 99%
“…In hard template methods, AgNWs are produced using cylindrical nanoporous structures such as carbon nanotubes (CNTs) [ 359 ]. On the other hand, in soft template methods, capping agents such as polyvinylpyrrolidone (PVP) or cetyltrimethylammonium (CTAB) are used to direct the growth of initially formed silver seeds to AgNWs [ 349 ]. Hard template methods have several disadvantages compared to soft template ones.…”
Section: Reviewmentioning
confidence: 99%
“…The mechanism of the hydrothermal method is similar to the aforementioned polyol method for AgNWs synthesis. However, the AgNWs by means of polyol method usually have diameters in the order of 50–200 nm and lengths in the order of 30–80 µm [61]. To further improve the aspect ratio of AgNWs, several studies have reported using the solvothermal method to prepare ultralong AgNWs.…”
Section: Synthesis Techniques Of Metallic Nwsmentioning
confidence: 99%
“…To further improve the aspect ratio of AgNWs, several studies have reported using the solvothermal method to prepare ultralong AgNWs. Cwik et al [61], for example, reported on the synthesis of ultralong AgNWs by the hydrothermal method using H 2 O 2 and PVP as the reducer and stabilizing agent, respectively. Distribution analysis showed that the yielded AgNWs have a mean diameter of 100 nm and length of 160 µm, reaching the maximum length of 800 µm (Figure 5).…”
Section: Synthesis Techniques Of Metallic Nwsmentioning
confidence: 99%
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