December 25, 2015 – 2-D dichalcogenide MoS2 with PL QY of more than 95% is reported in Science

Amani et al. recently reported near-perfect two-dimensional transition metal dichalcogenide, MoS2 with photoluminescence quantum yield of more than 95% by chemical treatment in a nonoxidizing organic superacid: bis(trifluoromethane) sulfonimide (TFSI), which eliminates defect-mediated nonradiative recombination.

To read more: Near-unity photoluminescence quantum yield in MoS2. Matin Amani, Der-Hsien Lien, Daisuke Kiriya, Jun Xiao, Angelica Azcatl, Jiyoung Noh, Surabhi R. Madhvapathy, Rafik Addou, Santosh KC, Madan Dubey, Kyeongjae Cho, Robert M. Wallace, Si-Chen Lee, Jr-Hau He, Joel W. Ager III, Xiang Zhang, Eli Yablonovitch, Ali Javey. Science 27 November 2015:  Vol. 350 no. 6264 pp. 1065-1068, DOI: 10.1126/science.aad2114

(Posted by Yonhua Tzeng)

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