Cellulose is found in paper, cotton, wood, hemp fibers, straw, and many plant tissues. For a long time, people have been familiar with the macroscopic uses of cellulose: papermaking, textiles, packaging, wood processing, and daily consumer products. It is widely available, inexpensive, ...
Quantum dots are tiny nanocrystals that glow when stimulated by an external light source, such as ultraviolet light. How many atoms are contained in the dots determines their size, and the size of the dots determines the color of the light emitted.