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. Author manuscript; available in PMC: 2024 Mar 1.
Published in final edited form as: Adv Drug Deliv Rev. 2023 Jan 25;194:114711. doi: 10.1016/j.addr.2023.114711

Fig. 6. Schematic of piezoelectricity-induced carrier de-trapping process in the mechanoluminescence process.

Fig. 6.

(a) Carrier trapping in a doped-piezoelectric lattice, (b) Piezoelectricity-induced carrier de-trapping, leading to mechanoluminescence. VB represents valence band; CB represents conduction band.