Erdem, TalhaDemir, Hilmi VolkanErdem, TalhaDemir, Hilmi Volkan2020-02-262020-02-262019-019789811358852http://hdl.handle.net/11693/53501Chapter 7In this final Chapter, we present a future perspective for the light source design. We discuss the existing problems and briefly introduce new material systems and device architectures that can overcome the current issues.EnglishNarrow-band emittersLasersCd-free nanocrystalsNanoplateletsPerovskitesBook Chapter10.1007/978-981-13-5886-9_79789811358869