根据物理化学实验中的15个化学实验开发研制的图像拟合和数据处理程序,为解决物化实验处理过程中计算复杂、做图粗糙和误差偏大等影响最终结果的问题,以Visual studio 2008为前台开发工具,以一个跨平台的关系数据库系统Firebird为数据库...根据物理化学实验中的15个化学实验开发研制的图像拟合和数据处理程序,为解决物化实验处理过程中计算复杂、做图粗糙和误差偏大等影响最终结果的问题,以Visual studio 2008为前台开发工具,以一个跨平台的关系数据库系统Firebird为数据库,采用数值分析中的三次样条插值法、最小二乘法、冒泡排序法和Smoothing Spline等算法拟合函数图像及ZedGraph的绘图功能,简单快捷地实现了函数和图像的拟合,使用起来灵活简单而且易操作,是集数据输入输出、数据处理、函数图像拟合、数据保存和水晶报表打印等功能为一体的数据处理系统。系统不但很大程度上减轻了用户的工作量,而且尽可能小地减少了人为因素造成的数据误差。展开更多
In blue quantum dot light emitting diodes(QLEDs),electron injection is insufficient,which would degrade device efficiency and stability.Herein,we employ chlorine passivated ZnO nanoparticles as electron transport laye...In blue quantum dot light emitting diodes(QLEDs),electron injection is insufficient,which would degrade device efficiency and stability.Herein,we employ chlorine passivated ZnO nanoparticles as electron transport layer to facilitate electron injection into QDs effectively.Moreover,it suppresses exciton quenching at the QD/ZnO interface by blocking charge transfer channel.As a result,the maximum external quantum efficiency of blue QLED was increased from 2.55%to 4.60%,and the operation lifetime of blue QLED was nearly 4 times longer than that of the control device.Our work indicates that election injection plays an important role in blue QLED efficiency and stability.展开更多
文摘根据物理化学实验中的15个化学实验开发研制的图像拟合和数据处理程序,为解决物化实验处理过程中计算复杂、做图粗糙和误差偏大等影响最终结果的问题,以Visual studio 2008为前台开发工具,以一个跨平台的关系数据库系统Firebird为数据库,采用数值分析中的三次样条插值法、最小二乘法、冒泡排序法和Smoothing Spline等算法拟合函数图像及ZedGraph的绘图功能,简单快捷地实现了函数和图像的拟合,使用起来灵活简单而且易操作,是集数据输入输出、数据处理、函数图像拟合、数据保存和水晶报表打印等功能为一体的数据处理系统。系统不但很大程度上减轻了用户的工作量,而且尽可能小地减少了人为因素造成的数据误差。
基金Project supported by the National Key R&D Program of China(Grant Nos.2016YFB0401702 and 2017YFE0120400)the National Natural Science Foundation of China(Grant Nos.62005114,62005115,and 61875082)+5 种基金Key-Area Research and Development Program of Guangdong Province,China(Grant Nos.2019B010925001 and 2019B010924001)Guangdong University Key Laboratory for Advanced Quantum Dot Displays and Lighting(Grant No.2017KSYS007)Natural Science Foundation of Guangdong Province,China(Grant No.2017B030306010)Guangdong Basic and Applied Basic Research Foundation,China(Grant No.2019A1515110437)Shenzhen Peacock Team Project(Grant No.KQTD2016030111203005)High Level University Fund of Guangdong Province,China(Grant No.G02236004).
文摘In blue quantum dot light emitting diodes(QLEDs),electron injection is insufficient,which would degrade device efficiency and stability.Herein,we employ chlorine passivated ZnO nanoparticles as electron transport layer to facilitate electron injection into QDs effectively.Moreover,it suppresses exciton quenching at the QD/ZnO interface by blocking charge transfer channel.As a result,the maximum external quantum efficiency of blue QLED was increased from 2.55%to 4.60%,and the operation lifetime of blue QLED was nearly 4 times longer than that of the control device.Our work indicates that election injection plays an important role in blue QLED efficiency and stability.