Extended Data Fig. 7: Stretchability of the embrittled Al film and the untreated Al film.
From: Enabling efficient electron injection in stretchable OLED
a–c, Optical microscopy images of an embrittled Al film (a) an untreated Al film (b) and a film with an interface between the embrittled Al and the untreated Al released from 100% strain (c).
