研究目的
To develop a perovskite quantum dot lasing cavity with high chemical stability, high quality factor and low fabrication cost.
研究成果
The porous Si/TiO2 nanowire 3D random cavity device structure can achieve random lasing of perovskite quantum dots under continuous optical pumping, offering advantages of high chemical stability and low manufacturing cost. This structure provides important support for the development of information optics.
研究不足
The technical and application constraints include the difficulty in directly growing high-quality TiO2 nanowires on the porous silicon surface due to lattice mismatch, and the potential for device failure rate to increase with time.
1：Experimental Design and Method Selection:
Fabrication of a 3D random cavity device based on porous silicon/TiO2 nanowires.
2：Sample Selection and Data Sources:
Porous silicon samples prepared by metal-assisted chemical etching.
3：List of Experimental Equipment and Materials:
Silver nitrate, hydrofluoric acid, hydrogen peroxide, polytetrafluoroethylene frame, quartz boat, tube furnace, hydrothermal kettle, PTFE liner, precursor solution, blast drying oven, deionized water, nitrogen gas, electronic balance, microelectronic analytical balance, SD1220-V spectrometer.
4：Experimental Procedures and Operational Workflow:
Deposition of silver particles, oxidative etching, removal of silver particles, preparation of seed layer, hydrothermal growth of TiO2 nanowires, spin-coating of perovskite quantum dots.
5：Data Analysis Methods:
SEM characterization, XRD testing, TEM characterization, photoluminescence spectrum analysis.
独家科研数据包，助您复现前沿成果，加速创新突破
获取完整内容
