CN104201232A - SnS2纳米纸自组装微球的制备及其微球薄膜的光探测器 - Google Patents
SnS2纳米纸自组装微球的制备及其微球薄膜的光探测器 Download PDFInfo
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Abstract
本发明通过乙醇溶剂热法制备SnS2纳米纸微球，在双面胶带粘帖后的柔性基底如PP，PET和纸等上滴加或涂布SnS2纳米纸微球与乙醇的悬浊液，自然干燥形成薄膜，用简易的金属线和纸边框掩膜覆盖后，真空离子溅射三个导电电极如Ti/Au或Au等，揭去掩膜后在SnS2纳米纸微球薄膜上留下分立的电极即构成简易的从紫外(300nm)到近红外(830nm)的光探测器。实验表明性能良好可靠。本发明公开了其材料和该探测器的加工方法。
Description
技术领域
本发明涉及SnS2纳米纸自组装微球的合成方法及其微球膜的柔性光探测器的加工。具体地说，用乙醇溶剂热法大量合成SnS2纳米纸自组装微球，然后选择合适尺寸透明柔性的聚丙烯(PP)薄膜并在此一边粘贴上双面胶带，随后把乙醇(或水或对胶带无伤害而易挥发的有机溶剂以及水与有机溶的混合物)与SnS2微球悬浊液涂布到双面胶带上。再通过简易掩膜并真空蒸镀金属电极，移去掩膜，使其在两电极之间只留下未被金属覆盖的SnS2微球膜。
背景技术
自组装的纳米材料既具有纳米材料的量子尺寸效应又具有宏观的材料可操作性而引起了科学界的广泛关注oSnS2是一个带有直接光学能隙约为2.3eV的半导体。它具有Cdl2型的晶体结构，因此它可以被剥离成二维晶体，类石墨烯结构。过去人们用水热法和催化的气相沉积的方法合成它的纳米晶、纳米线与纳米管并应用于太阳能电池、钾离子电池和光催化等领域。然而到目前为止仍然没有关于它应用于光探测器的报道。在这里我们硫代乙酰胺(TAA)与乙醇溶剂热的方法合成SnS2纳米纸自组装微球并用胶带粘帖法在聚丙烯(PP)柔性基底加工光探测(光传感)器件。这种器件能够实现从紫外(300nm)到近红外(830nm)的光探测。这种柔性基底可以推广到其他如聚对苯二甲酸乙二酯(PET)或纸等(只要与双面胶能粘帖且与不与双面胶起化学反应的)柔性基底。
发明内容
本发明的目的是提供SnS2纳米纸自组装微球的合成方法及其微球膜的柔性光探测器的加工。
本发明的技术方案如下：
(1)SnS2纳米纸自组装微球的合成方法：将SnCl4·5H2O、硫代乙酰胺(TAA)按Sn与S为1∶2的摩尔比和适量乙醇密封在带有聚四氟乙烯的不锈钢反应釜中，在180℃恒温24小时后，用乙醇和纯水交替洗涤三次并离心分离在60℃干燥3小时，并收集产品。
(2)SnS2纳米纸自组装微球薄膜的柔性光探测器的加工方法：选择一定尺寸的PP柔性基片并在此一边粘贴上双面胶带，随后把乙醇(或水或对胶带无伤害而易挥发的有机溶剂以及水与有机溶的混合物等)与SnS2微球悬浊液均匀涂布(或滴加)到双面胶带上，自然干燥。这种柔性基底可以推广到其他如聚乙烯或纸等(只要与双面胶能粘帖且与不与双面胶起化学反应的)柔性基底。然后在SnS2微球的薄膜上平行放置几个直径从微米到毫米量级的金属线或其他线作为喷涂电极的隔断，并剪一框式掩膜覆盖器件边缘。然后真空蒸镀(或离子溅射)导电材料如Au，Ti/Au，Cr/Au，ITO，Cu，Al等为电极，揭去上边框掩膜和金属线，就形成在SnS2微球膜上有几个分立电极，柔性光探测器。加工过程见图1。当然也可用金属网掩膜喷涂电极形成电极阵列。
本发明的SnS2纳米纸微球薄膜柔性光探测器能从紫外到近红外光范围的探测，响应速度快，原料易得，制作简单实用，可以在军用和民用中发挥作用。
附图说明
图1为本发明：器件加工过程图。
图2为本发明：(a)SnS2纳米纸自组装微球SEM照片；(b)单个SnS2纳米纸自组装微球放
大的TEM照片；(c)带有聚乙烯(PP)基底的SnS2纳米纸微球薄膜柔性器件正视图；(d)上述器件的弯曲图。
图3为本发明器件：(a)对不同频率光的光电流响应(300nm-1100nm)；(b)对405nm光的开关效应；(c)对650nm光的开关效应；(d)对830nm光的开关效应；
具体实施方式
实施例1.带有PP基底的SnS2纳米纸自组装微球薄膜柔性光探测器件的加工
A.将1.7525g SnCl4·5H2O(CP)、1.609g硫代乙酰胺(TAA)和40mL乙醇放到100mL的烧杯中搅拌30分钟，然后转移到50mL带有聚四氟乙烯的不锈钢反应釜中，密封。在180℃恒温24小时后，离心分离，用乙醇和纯水交替洗涤三次并离心分离在60℃干燥3小时，并收集产品，结构被XRD证实，形貌如图2(a)和2(b)
B.选择尺寸为0.5cm×2cm×0.2mm的PP柔性基片并在此一边粘贴上0.5cm×1cm双面胶带，随后把乙醇与上述制备的SnS2微球悬浊液均匀涂布到双面胶带上，自然干燥。然后，在SnS2微球的薄膜上平行放置两个直径从70微米的漆包铜线作为电极隔断，并剪一框式掩膜覆盖器件边缘。然后真空离子溅射Ti(50nm)/Au(100nm)导电膜，撕去掩膜和漆包线获得器件1，如图2(c)和2(d)。
C.对不同频率的光实验发现在紫外可见到近红外有较好的响应(如图3(a))。3(b)对405nm光的开关效应；3(c)对650nm光的开关效应和3(d)830nm光的开关效应；总之响应快，效果好。
实施例2.带有纸质基底的SnS2纳米纸自组装微球薄膜柔性光探测器件的加工
A.SnS2纳米纸自组装微球的制备方法同实施例1的A部分。
B.选择尺寸约为0.5cm×2cm×0.2mm的纸基片并在此一边粘贴上双面胶带(大小约为0.5cm×1cm)，随后把乙醇与上述制备的SnS2微球悬浊液均匀涂布到双面胶带上，自然干燥。然后，在SnS2微球的薄膜上平行放置两个直径从70微米的漆包铜线作为电极隔断，并剪一框式掩膜覆盖器件边缘。然后真空离子溅射Ti(50nm)/Au(100nm)导电膜，撕去掩膜和漆包线获得器件2。
实施例3.带有PET基底的SnS2纳米纸自组装微球薄膜柔性光探测器件的加工
A.SnS2纳米纸自组装微球的制备方法同实施例1的A部分o
B.选择尺寸约为0.5cm×2cm×0.2mm的PET基片并在此一边粘贴上双面胶带(大小约为0.5cm×1cm)，随后把乙醇与上述制备的SnS2微球悬浊液均匀涂布到双面胶带上，自然干燥。然后，在SnS2微球的薄膜上平行放置两个直径从70微米的漆包铜线作为电极隔断，并剪一框式掩膜覆盖器件边缘。然后真空离子溅射Ti(50nm)/Au(100nm)导电膜，撕去掩膜和漆包线获得器件3。
Claims (3)
1.SnS2纳米纸自组装微球的合成方法：将SnCl4·5H2O、硫代乙酰胺(TAA)按Sn与S为1∶2-4的摩尔比和适量乙醇密封在带有聚四氟乙烯的不锈钢反应釜中，在180℃恒温24小时后，用乙醇和纯水交替洗涤三次并离心分离在60℃干燥3小时，并收集产品。SnS2纳米纸自组装微球：纳米纸的尺寸约为0.5μm×1.2μm×0.015μm；组成的微球直径为1.5-5μm。
2.SnS2纳米纸自组装微球薄膜的柔性光探测器：通过乙醇溶剂热法制备SnS2纳米纸微球，在双面胶带粘帖后的柔性基底如聚丙烯(PP)，聚对苯二甲酸乙二酯(PET)和纸等上滴加或涂布SnS2纳米纸微球与乙醇的悬浊液，自然干燥形成薄膜，用简易的金属线和纸边框掩膜覆盖后，真空离子溅射三个导电电极如Ti/Au或Au等，揭去掩膜后在SnS2纳米纸微球薄膜上留下分立的电极即构成简易的从紫外(300nm)到近红外(830nm)的光探测器。
3.SnS2纳米纸自组装微球薄膜的柔性光探测器的加工方法：选择一定尺寸的PP柔性基片并在此一边粘贴上双面胶带，随后把乙醇(或水或对胶带无伤害而易挥发的有机溶剂以及水与有机溶的混合物等)与SnS2微球悬浊液均匀涂布(或滴加)到双面胶带上，自然干燥。这种柔性基底可以推广到其他如聚乙烯或纸等(只要与双面胶能粘帖且与不与双面胶起化学反应的)柔性基底。然后在SnS2微球的薄膜上平行放置几个直径从微米到毫米量级的金属线或其他线作为喷涂电极的隔断，并剪一框式掩膜覆盖器件边缘。然后真空蒸镀(或离子溅射)导电材料如Au，Ti/Au，Cr/Au，ITO，Cu，Al等为电极，揭去上边框掩膜和金属线，就形成在SnS2微球膜上有几个分立电极，柔性光探测器。加工过程见说明书中图1。当然也可用金属网掩膜喷涂电极形成电极阵列。
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| CN105271133A (zh) * | 2015-10-09 | 2016-01-27 | 信阳师范学院华锐学院 | 一种由氯化物一步合成其硫化物纳米材料的制备方法 |
| CN105905938A (zh) * | 2016-01-11 | 2016-08-31 | 信阳师范学院 | 一种作为锂离子电池负极的花状二硫化锡微球的制备方法 |
| CN106025080A (zh) * | 2016-07-13 | 2016-10-12 | 电子科技大学 | 一种对紫外/可见/红外响应的宽光谱有机探测器件 |
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| CN104953114A (zh) * | 2015-05-06 | 2015-09-30 | 华南师范大学 | 四氧化三钴-二硫化锡纳米复合物的制备方法 |
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| CN106486452A (zh) * | 2015-08-28 | 2017-03-08 | 瑞萨电子株式会社 | 半导体装置 |
| CN105271133A (zh) * | 2015-10-09 | 2016-01-27 | 信阳师范学院华锐学院 | 一种由氯化物一步合成其硫化物纳米材料的制备方法 |
| CN105905938A (zh) * | 2016-01-11 | 2016-08-31 | 信阳师范学院 | 一种作为锂离子电池负极的花状二硫化锡微球的制备方法 |
| CN106025080A (zh) * | 2016-07-13 | 2016-10-12 | 电子科技大学 | 一种对紫外/可见/红外响应的宽光谱有机探测器件 |
| CN109524478A (zh) * | 2018-11-08 | 2019-03-26 | 许昌学院 | 基于二硫化锡薄膜的柔性光电探测器件 |
| CN109659550A (zh) * | 2019-01-21 | 2019-04-19 | 浙江理工大学 | 一种牡丹花状C@SnS2锂电池负极材料的制备方法 |
| CN109659550B (zh) * | 2019-01-21 | 2020-11-06 | 浙江理工大学 | 一种牡丹花状C@SnS2锂电池负极材料的制备方法 |
| CN113385194A (zh) * | 2021-06-27 | 2021-09-14 | 苏州大学 | 金属离子掺杂二硫化锡纳米花及其在压电催化降解污染物中的应用 |
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