Through the co-LARP method, lead-free MA3Bi2Br9 perovskite quantum dots is successfully fabricated, reaching a PLQY up to 12%. The emission peak of bismuth-based quantum dots is characterized to be at 430 nm, FWHM of the PL spectra was ~ 62 nm, large stokes shift (~54 nm) made the bismuth-based quantum dots to be a great candidate for fluorescent tagging applications.

© 2016 Optical Society of America

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