Figure 1.

The 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.

Li et al. Nanoscale Research Letters 2012 7:386   doi:10.1186/1556-276X-7-386
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