CN107138735A - 一种固相法制备硫化锌‑银异质结纳米片的方法 - Google Patents

一种固相法制备硫化锌‑银异质结纳米片的方法 Download PDF

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CN107138735A
CN107138735A CN201710405406.1A CN201710405406A CN107138735A CN 107138735 A CN107138735 A CN 107138735A CN 201710405406 A CN201710405406 A CN 201710405406A CN 107138735 A CN107138735 A CN 107138735A
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nanometer sheet
silver
zinc
hetero
junctions nanometer
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陈凤娟
刘艳芬
金学坤
刘岸杰
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Xinjiang University
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Abstract

本发明涉及一种固相法制备硫化锌‑银异质结纳米片的方法,属于纳米材料制备领域。该方法是将醋酸锌、十二烷基硫酸钠、硫代乙酰胺、硼氢化钠和醋酸银在室温条件下依次混合研磨反应,实现了硫化锌‑银异质结纳米片的低热固相合成。本发明制备硫化锌‑银异质结纳米片的低热固相化学法具有操作简单、不使用溶剂、高产率、成本低、合成工艺简单等特点;且本发明制备的硫化锌‑银异质结纳米片具有大的比表面积和高的反应活性,将在光电器件、光催化等领域具有潜在的应用前景。

Description

一种固相法制备硫化锌-银异质结纳米片的方法
技术领域
本发明涉及一种固相法制备硫化锌-银异质结纳米片的方法,属于纳米材料制备领域。
背景技术
近年来,纳米材料由于其本身所具有的独特的物理化学特性而受到了科研工作者的广泛关注。二维纳米结构与纳米粉体不同,电子和光学激子在纳米结构中可有效传输,不仅具有小尺寸效应,表面效应,量子尺寸效应和宏观量子隧道效应等特殊性质,又存在由纳米结构组合引起的新的量子耦合效应和协同效应等,显示出优异的光学、电学性能,因而可以用作纳米器件及超大规模集成电路中的连接导线、光导纤维等。
硫化锌-银异质结纳米片的制备及性能研究是当今纳米技术研究领域的一大焦点。目前,制备硫化锌-银异质结纳米片的方法众多,包括热蒸发法、物理气相沉积法(PVD)、水热法等。而这些方法涉及到实验条件苛刻、能耗高等不足,因而开发一种简单、高产、环境友好的合成方法仍然十分迫切。低热固相化学法具有操作简单、成本低、产量高和环境友好等优点,已经成为合成纳米材料的一种有效方法。
发明内容
本发明的目的在于提供一种硫化锌-银异质结纳米片的制备方法,是利用硼氢化钠的还原特性,采用低热固相化学反应来制备硫化锌-银异质结纳米片。该方法克服了硫化锌纳米材料在制备过程中发生严重团聚的现象,并实现了硫化锌与银的复合。
本发明公开了一种固相制备硫化锌-银异质结纳米片的方法。本发明是将醋酸锌、十二烷基硫酸钠、硫代乙酰胺、硼氢化钠和醋酸银作为反应物,在室温下通过研磨发生反应,进而制得硫化锌-银异质结纳米片。
本发明利用硼氢化钠的还原特性,运用固相合成工艺实现了硫化锌-银异质结纳米片的合成,该方法操作简单、不使用溶剂、高产率、成本低,为硫化锌/贵金属复合材料的制备提供了一种新的思路。
附图说明
图1为所制备的硫化锌-银异质结纳米片的X射线衍射图。
图2为所制备的硫化锌-银异质结纳米片的透射电镜图。
具体实施方式
硫化锌-银异质结纳米片的固相化学合成,按以下步骤进行:
具体实施方式1:准确称取0.01摩尔的醋酸锌置于玛瑙研钵中,将其充分研细后加入0.01摩尔硫代乙酰胺,再将其充分研磨60分钟并放置3小时以确保固相反应完全。用去离子水和无水乙醇将其洗涤、抽滤,于干燥箱中60度干燥2小时即得硫化锌。
具体实施方式2:准确称取0.01摩尔的醋酸锌置于玛瑙研钵中,将其充分研细后加入0.01摩尔硫代乙酰胺,研磨60分钟混合均匀后加入0.05摩尔硼氢化钠,研磨60分钟混合均匀后加入0.0030 克醋酸银,再将其充分研磨60分钟并放置3小时以确保固相反应完全。用去离子水和无水乙醇将其洗涤、抽滤,于干燥箱中60度干燥2小时即得硫化锌-银异质结纳米材料。
具体实施方式3:准确称取0.01摩尔的醋酸锌置于玛瑙研钵中,将其充分研细后加入0.005摩尔十二烷基硫酸钠,研磨60分钟后加入0.01摩尔硫代乙酰胺,研磨60分钟混合均匀后加入0.05摩尔硼氢化钠,研磨60分钟混合均匀后加入0.030 克醋酸银,再将其充分研磨60分钟并放置3小时以确保固相反应完全。用去离子水和无水乙醇将其洗涤、抽滤,于干燥箱中60度干燥2小时即得硫化锌-银异质结纳米片。

Claims (1)

1.一种固相法制备硫化锌-银异质结纳米片的方法,其特征是醋酸锌置于玛瑙研钵中,研细后加入十二烷基硫酸钠,研磨后加入硫代乙酰胺,研磨后加入硼氢化钠,研磨后加入适量醋酸银,再充分研磨并放置完成固相反应,用去离子水和无水乙醇洗涤,抽滤,在干燥箱中60度干燥2小时制得硫化锌-银异质结纳米片。
CN201710405406.1A 2017-06-01 2017-06-01 一种固相法制备硫化锌‑银异质结纳米片的方法 Pending CN107138735A (zh)

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Application publication date: 20170908