摘要
为了将发光材料的合成及表征过程融入实验教学,解决仪器设备昂贵、实验成本高、实验过程存在高温烫伤风险等问题,构建了固相法合成上转换荧光粉及光谱测量虚拟仿真实验教学系统.基于"高阶性、创新性和挑战度"原则,设计了虚拟仿真实验教学内容,建立了学考分离的教学评价模式.通过对实验工艺方法、设备认知、光路拆装及测量等环节的虚拟训练,旨在使学生充分了解和掌握上转换发光的物理过程,固相法制备上转换荧光粉的工艺流程,相关仪器设备的使用以及发射光谱的测量和分析方法.该虚拟仿真实验为科研反哺教学提供了新的途径,拓展了基础物理实验教学的广度和深度.
Abstract
In order to integrate the synthesis and characterization process of luminescent materials into experimental teaching,and to solve the problems of expensive instrument,high experimental costs,and the risk of high-temperature during the experimental process,a virtual simulation experi-mental teaching system for solid-state synthesis of upconversion phosphor and spectral measurement was constructed.Based on the principle of"high order,innovation and challenge",a virtual simula-tion experiment teaching content had been designed,and a teaching evaluation model that separates"learning"and"examination"had been established.Through virtual training on experimental tech-niques,equipment cognition,light path disassembly and measurement,the aim was to enable for students to fully understand and master the physical process of upconversion luminescence,the process of solid-state method for preparing upconversion phosphor,the use of related instruments,and the measurement and analysis methods of emission spectra.This virtual simulation experiment provided a new way for promotion of scientific research to teaching,and expanded the breadth and depth of basic physics experiment teaching.
基金项目
辽宁省普通高等教育本科教学改革研究项目(辽教通[2022]166号-362)
大连海事大学实验教学改革项目(202208)
大连海事大学教师发展项目(JF2023S22)
NETL
NSTL
万方数据