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. 2018 Dec 6;9:616. doi: 10.3389/fgene.2018.00616

FIGURE 5.

FIGURE 5

A diagrammatic representation of different bottom–up approaches for quantum dots synthesis. Bottom–up approaches involves the rearrangement and assembling of small atoms and molecules to achieve large nanostructures. Bottom–up approaches involves techniques like organometallic synthesis, sol-gel technique, sputtering, physical vapor deposition and chemical vapor deposition, etc. QDs, quantum dots.