Thin sin layers and nitride - based multiquantum well ( mqw ) light emitting diode ( led ) structures with conventional single gan buffer and gan / sin double buffers were grown on sapphire substrates by metalorganic chemical vapor deposition ( mocvd ) 摘要以有机金属化学气象沉积在蓝宝石基板上成长由单一氮化镓成核层与氮化镓/氮化矽双缓冲层所形成的两种不同氮基础的多层量子井发光二极体结构。