量子点又称为半导体发光纳米晶,是一种粒径介于1—10nm之间的纳米颗粒,受激后可以发射荧光。由于不同尺寸的量子点,其电子和空穴被量子限域的程度不一样,因此可在受到外来能量(光、电)的激发后发出不同颜色的光,覆盖从蓝光到红外光的整个区域。
近年来,尽管大众对“量子点”概念还有些陌生,但它在显示领域的应用已然兴起,量子点材料应用开始呈现快速增长的趋势。量子点的发展从最初的照明到如今的光致发光高色域显示背光源,已经进入商业化应用阶段。许多品牌商陆续推出了量子点液晶电视,并逐步向显示器、平板、笔记本和手机等中小尺寸延伸。胶体量子点具有非常独特的光电特性,从合成到应用的发展已经愈趋成熟,无论是光致发光还是电致发光,量子点的未来都不容小觑。
在量子点光致应用上,纳晶科技是中国第一家实现量子点管和量子点膜产业化的公司,致力于量子点新材料的研究、制造及应用技术与产品的开发。此次纳晶科技就运用上海威九国际Tissuelyser-24研磨仪来研磨量子点半导体新材料,得以研究研磨后的胶溶性。
全自动组织研磨仪
Tissuelyser®系列研磨仪采用了特殊的垂直上下一体震动模式,通过研磨珠(氧化锆、钢珠、玻璃珠、陶瓷珠)的高频往复振动、撞击、剪切,快速的实现目的。使研磨的样品具有更加充分、更均匀、样品重复性更好、样品之间没有交叉污染。操作数量多,效果好,1分钟内完成2×24、2×48、4×96个样品的研磨。省时省力,批间,批内差异小。仪器运行过程中,噪音小于55dB,不会对其它实验或仪器产生干扰。当需要低温研磨环境,可将放有样本的适配器浸入液氮中冷却1-2分钟,取出后移至主机快速固定即可开始研磨,不需要进行再次冷冻处理,节省液氮。
实验目的:
量子点半导体新材料研磨后的胶溶性
实验地点:纳晶科技股份有限公司
实验材料和器具:
样品:量子点半导体新材料
仪器:全自动快速研磨仪(上海威九国际Tissuelyser-24)
配件:钢罐一套
实验步骤:
1、将量子点半导体新材料卷曲剪成小块放入液氮中冷冻;
2、将预处理过冷冻的样品加入到钢罐内,再放到液氮内冷冻几分钟;
3、将适配器装入威九国际研磨仪中;
4、设定运行参数;
5、启动仪器至研磨程序结束;
实验结果:
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