Copper-doped tungstic acid nanocrystals transform infrared light conversion

Nanowerk   September 13, 2023
The technology to utilize the full spectrum of solar radiation is still in its infancy as conventional methods constrain their all-solar response. Researchers in Japan have proposed using – submerged photosynthesis of crystallites (SPsC). They showed that strategic doping with copper and oxygen vacancies can induce opto-critical phases from the non-stoichiometric tungstic acids. These opto-critical phases enabled a dynamic equilibrium shift in lattice defect stabilization, facilitating an unprecedented whole solar wavelength response. The response manifested photo-assisted water evaporation, and photo-electrochemical characteristics. According to the researchers their strategy of harnessing all-solar energy, the one-pot SPsC strategy, may steer the design and development of advanced oxide materials, enhancing functionality across diverse application domains… read more. Open Access (accepted) TECHNICAL ARTICLE

A summarized relative light absorption of the tungstic acid crystals ranging from ultraviolet to infrared light… Credit: Advanced Materials, Accepted Articles 2305494, 29 July 2023

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