II-VI semiconductors 74 III-V semiconductors 68 Zinc oxide 57 Semiconductor quantum dots 38 Nanocrystals 31 Gallium nitride 27 Substrates 27 Scanning electron microscopy 26 Optical properties 25 Semiconductor doping 25 Semiconductor materials 25 Energy gap 23 Wide band gap semiconductors 23 Graphene 20 Photons 20 Semiconductor alloys 20 Silicon 20 Layered semiconductors 19 Thin films 19 Semiconductor lasers 18 Metals 17 Morphology 16 Performance 16 Molybdenum compounds 15 Nanorods 15 Semiconductor quantum wells 14 Property 13 Sulfur compounds 13 Fabrication 12 Gallium arsenide 12