Transmission electron Electron scattering 2 Electrons 2 Gold nanoparticle 2 Gold nanoparticles 2 High resolution transmission electron microscopy 2 Metal nanoparticles 2 Scanning electron microscopy 2 Transmission electron microscopy 2 Agarwood oil 1 Alkaline conditions 1 Alkalinity 1 Aquilaria malaccensis 1 Aromatic compounds 1 Artificial wastewater 1 Average particle size 1 Buffer layers 1 Carbon shells 1 Compressive stress 1 Critical micelle concentration 1 Critical micelle concentration (CMC) 1 Critical micelle concentration (cmc) 1 Droplet size distributions 1 Drops 1 Electron energy levels 1 Electron energy loss spectroscopy 1 Electron microscopies (TEM) 1 Electron wave functions 1 Emulsification 1 Energy dissipation 1