Nickel-enhanced silver nanowire-based transparent heater with large size.
Nickel-enhanced silver nanowire-based transparent heater with large size.
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DOI：
10.1039/c8ra01677a
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发表时间：
2018-04-17
期刊：
影响因子：
3.9
通讯作者：
Qiu, Yejun
中科院分区：
文献类型：
--
作者：
Zhang, Liwen;Chen, Yanan;Xu, Caiwei;Liu, Zhonggui;Qiu, Yejun
为了提高银纳米线透明加热器（AgNW-THs）的性能，开发了一种有效的均匀电沉积镍的工艺。电镀Ni后，在银纳米线表面均匀涂覆一层20 ~ 40nm厚度的Ni，对器件透光率影响不大，但显著提高了其导电性。最令人兴奋的是，镍壳导致AgNW-THs的耐温性大大提高。成功制作了直径为3cm，长度为20cm的透明管状加热器，具有优异的加热性能，在10个加热循环后，其稳态温度可达284.3℃，温度变化极小，并能在短时间内将红色的铜粉氧化成黑色的CuO，这是目测到的。此外，构建了另外两种形状的大尺寸透明加热器，分别用于CuSO4·5H2O的脱水和红磷的燃烧。这种透明加热器具有透光率高、耐温性好、体积大等特点，应用广泛，尤其适用于教学实验装置的可视化模型。由Ni电沉积而成的agnw透明加热器具有优异的加热性能。
An effective process for homogeneous electrodeposition of nickel was developed to improve the performance of silver nanowire-based transparent heaters (AgNW-THs). After electroplating Ni, the silver nanowires are uniformly coated by a layer Ni with 20–40 nm thickness, which has a small effect on the device transmittance, but significantly enhances its conductivity. Most excitingly, the nickel shell leads to a great increase of the temperature toleration of the AgNW-THs. A transparent tubular heater with large size of 3 cm in diameter and 20 cm in length is successfully fabricated, showing excellent heating properties in that the steady-state temperature can reach 284.3 °C and there is minimal variance in temperature after 10 heating cycles, and by using this tube, red Cu powder was oxidized into black CuO in a short time, which was visually observed. Additionally, two other shapes of transparent heaters with large size were constructed for dehydration of CuSO4·5H2O and burning of red phosphorus, respectively. This kind of transparent heater has wide applications requiring high transmittance, excellent temperature toleration and large size, especially for teaching experiment apparatus in a visual model. An AgNW-based transparent heater derived from electrodeposition of Ni shows excellent heating performance.
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