Editing Semiconductor (section)

=== Light emission ===
In certain semiconductors, excited electrons can relax by emitting light instead of producing heat.<ref>By Abdul Al-Azzawi. "[https://books.google.com/books?id=Iw7NBQAAQBAJ&dq=In+certain+semiconductors,+excited+electrons+can+relax+by+emitting+light+instead+of+producing+heat.%5C&pg=PA54 Light and Optics: Principles and Practices]." 2007. March 4, 2016.</ref> Controlling the semiconductor composition and [[Electric current|electrical current]] allows for the manipulation of the emitted light's properties.<ref>{{Cite web |title=Electrical Property of Semiconductor - an overview {{!}} ScienceDirect Topics |url=https://www.sciencedirect.com/topics/engineering/electrical-property-of-semiconductor |access-date=2023-12-14 |website=www.sciencedirect.com}}</ref> These semiconductors are used in the construction of [[light-emitting diode]]s and fluorescent [[quantum dot]]s.