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-Derived Near-Infrared Carbon Dots for Bioimaging and Antimicrobial Applications.
Molecules
January 2025
Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China.
The use of biomass feedstocks for producing high-value-added chemicals is gaining significant attention in the academic community. In this study, near-infrared carbon dots (NIR-CDs) with antimicrobial and bioimaging functions were prepared from branches and leaves using a novel green synthesis approach. The spectral properties of the synthesized NIR-CDs were characterized by ultraviolet-visible (UV-Vis) absorption and fluorescence spectroscopy.
View Article and Find Full Text PDFHigh-Performance Overall Water Splitting Dominated by Direct Ligand-to-Cluster Photoexcitation in Metal-Organic Frameworks.
Angew Chem Int Ed Engl
January 2025
Guangdong University of Technology - University Town Campus: Guangdong University of Technology, Applied Chemistry, 100 Waihuan West Road, 510006, Guangzhou, CHINA.
Expanding the spectral response of photocatalysts to facilitate overall water splitting (OWS) represents an effective approach for improving solar spectrum utilization efficiency. However, the majority of single-phase photocatalysts designed for OWS primarily respond to the ultraviolet region, which accounts for a small proportion of sunlight. Herein, we present a versatile strategy to achieve broad visible-light-responsive OWS photocatalysis dominated by direct ligand-to-cluster charge transfer (LCCT) within metal-organic frameworks (MOFs).
View Article and Find Full Text PDFSnHPO: A Layered Tin(II) Phosphate with Enhanced Birefringence.
Inorg Chem
January 2025
College of Physics, Qingdao University, National Demonstration Center for Experiment Applied Physics Education (Qingdao University), Qingdao Broadband Terahertz Spectroscopy Technology Engineering Research Center (Qingdao University), Qingdao 266071, China.
As promising optoelectronic functional materials in the short-wavelength spectral region, such as ultraviolet (UV) and deep UV, phosphates have recently received increased attention. However, phosphate materials commonly suffer from limited birefringence owing to the highly symmetrical PO tetrahedra. We herein report a layered tin(II) phosphate with improved birefringence.
View Article and Find Full Text PDFNext-Generation Ultrafast Photoluminescence Spectroscopy: Integration of Transient Grating Optical Gate and Advanced Femtosecond Laser Technology.
J Phys Chem Lett
January 2025
Robinson Research Institute, Faculty of Engineering, Victoria University of Wellington, Wellington 6012, New Zealand.
We demonstrate a high-performance ultrafast broadband time-resolved photoluminescence (TRPL) system based on the transient grating photoluminescence spectroscopy (TGPLS) technique. The core of the system is a Kerr effect-induced transient grating (TG) optical gate driven by high repetition rate ultrashort laser pulses at 1030 nm with micro-Joule pulse energy. Satisfying the demands of spectroscopy applications, the setup achieves high sensitivity, rapid data acquisition, ultrafast time resolution, and a wide spectral window from ultraviolet to near-infrared.
View Article and Find Full Text PDFCharacterizing pen strokes produced using various commercially available thermochromic inks.
Forensic Sci Res
December 2024
Córdoba, Argentina.
Unlabelled: The characteristics of commercially available thermochromic ink pens have been studied and described since their appearance in 2006. The wide variety of brands and models now available warrants further study using an expanded sample size, to differentiate the general characteristics from specific characteristics. Herein, the ink strokes of 15 pens purchased in the province of Córdoba, Argentina were studied.
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