3 years ago

Quantum Dots: Near-Infrared, Heavy Metal-Free Colloidal “Giant” Core/Shell Quantum Dots (Adv. Energy Mater. 2/2018)

Quantum Dots: Near-Infrared, Heavy Metal-Free Colloidal “Giant” Core/Shell Quantum Dots (Adv. Energy Mater. 2/2018)
Shuhui Sun, Haiguang Zhao, Xin Tong, Xiang-Tian Kong, Alexander O. Govorov, Federico Rosei, Fabiola Navarro-Pardo, Yufeng Zhou, Gurpreet Singh Selopal, Zhiming M. Wang
In article number 1701432, Haiguang Zhao, Zhiming M. Wang, Federico Rosei, and co-workers report near-infrared (NIR), heavy metal-free, colloidal “Giant” CuInSe2/CuInS2 core/shell quantum dots (g-QDs) with tunable absorption and photoluminescence (PL) spectra in the NIR region. These g-QDs exhibit possess quasi type-II band energy structure, which is favorable for energy applications. Using this type of QDs to fabricate the photoanode in a photoelectrochemical (PEC) cell demonstrates an efficient and stable PEC device for hydrogen generation. These results indicate that NIR, heavy metal-free g-QDs are promising, cost-effective materials for environmentally friendly optoelectronic devices.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/aenm.201870010

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