Posted On: 07/25/2016 5:07:56 PM
Post# of 22465
QDots---a new paradigm in photosensitizers:
"In summary, we have conducted proof-of-concept experiments in which we show that CdSe quantum dots are effective surrogates for more-ubiquitous molecular triplet photosensitizers in energy conversion processes. The high photostability, broad absorption spectra, and tunable optical properties of such quantum dots give rise to their superior properties. We have also demonstrated that the behavior of semiconductor quantum dots mimics the classical behavior of molecular triplets, and that triplet excitons in nanocrystals can be efficiently transferred to a bulk solution through successive (and nearly quantitative) triplet energy transfer steps. This photofunctionality may be exploited for numerous triplet excited-state reactions, including photoredox catalysis, singlet oxygen generation, photochemical upconversion, and excited-state electron transfer."
http://spie.org/newsroom/6592-quantum-dot-pho...activation
"In summary, we have conducted proof-of-concept experiments in which we show that CdSe quantum dots are effective surrogates for more-ubiquitous molecular triplet photosensitizers in energy conversion processes. The high photostability, broad absorption spectra, and tunable optical properties of such quantum dots give rise to their superior properties. We have also demonstrated that the behavior of semiconductor quantum dots mimics the classical behavior of molecular triplets, and that triplet excitons in nanocrystals can be efficiently transferred to a bulk solution through successive (and nearly quantitative) triplet energy transfer steps. This photofunctionality may be exploited for numerous triplet excited-state reactions, including photoredox catalysis, singlet oxygen generation, photochemical upconversion, and excited-state electron transfer."
http://spie.org/newsroom/6592-quantum-dot-pho...activation
(2)
(0)
