图 4  (a)类富勒烯团簇的基态($ {E}_{\mathrm{H}\mathrm{L}}^{\mathrm{S}0} $)、激发单重态($ {E}_{\mathrm{H}\mathrm{L}}^{\mathrm{S}1} $)和三重态的HOMO-LUMO能隙($ {E}_{\mathrm{H}\mathrm{L}}^{\mathrm{T}1} $); (b)发射波长与$ {E}_{\mathrm{H}\mathrm{L}}^{\mathrm{S}1} $的关系图

Fig. 4.  (a) Histogram of HOMO-LUMO gaps of the ground state ($ {E}_{\mathrm{H}\mathrm{L}}^{\mathrm{S}0} $), excited singlet state ($ {E}_{\mathrm{H}\mathrm{L}}^{\mathrm{S}1} $) and triplet state for the fullerene-like clusters ($ {E}_{\mathrm{H}\mathrm{L}}^{\mathrm{T}1} $); (b) relationship between emission wavelength and $ {E}_{\mathrm{H}\mathrm{L}}^{\mathrm{S}1} $.