Fig. 4: Electronic absorption spectroscopy.
From: Stacked nanocarbon photosensitizer for efficient blue light excited Eu(III) emission

Electronic absorption spectrum of the Eu(III) complex (2) in CH2Cl2 (3.8 × 10−6 M).
From: Stacked nanocarbon photosensitizer for efficient blue light excited Eu(III) emission
Electronic absorption spectrum of the Eu(III) complex (2) in CH2Cl2 (3.8 × 10−6 M).