Figure 1From: Quantum dot-aluminum phthalocyanine conjugates perform photodynamic reactions to kill cancer cells via fluorescence resonance energy transferThe conjugates and their absorption and photoluminescence spectra. (a) Molecular structure of tetrasulfonated aluminum phthalocyanine (AlPcS). (b) The absorption and emission spectra of QDs and AlPcSs in aqueous solutions.Back to article page