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Synthesis of shape-tunable PbZrTiO nanocrystals with lattice variations for piezoelectric energy harvesting and human motion detection.
Chem Sci
January 2025
Department of Chemistry, National Tsing Hua University Hsinchu 300044 Taiwan
PbZrTiO cubes with tunable sizes and cuboids have been hydrothermally synthesized. PbZrTiO cubes with three different Zr : Ti atomic percentages were also prepared. Analysis of synchrotron X-ray diffraction (XRD) patterns reveals the presence of two lattice components for these samples.
View Article and Find Full Text PDFTriangular-shaped Cu-Zn-In-Se-based nanocrystals with narrow near infrared photoluminescence.
Nanoscale
January 2025
Physical Chemistry, TU Dresden, Zellescher Weg 19, 01069 Dresden, Germany.
Tunable optical properties exhibited by semiconductor nanocrystals (NCs) in the near infrared (NIR) spectral region are of particular interest in various applications, such as telecommunications, bioimaging, photodetection, photovoltaics, . While lead and mercury chalcogenide NCs do exhibit exemplary optical properties in the NIR, Cu-In-Se (CISe)-based NCs are a suitable environment-friendly alternative to these toxic materials. Several reports of NIR-emitting (quasi)spherical CISe NCs have been published, but their more complex-shaped counterparts remain rather less explored.
View Article and Find Full Text PDFHazy transparent cellulose nanocrystal-based films with tunable structural colors.
Carbohydr Polym
March 2025
State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, PR China. Electronic address:
Cellulose nanocrystals (CNCs) are powerful biosourced nanomaterials for the construction of chiral photonic films. While various techniques have been used to enrich the optical properties of such systems, surface roughness engineering has yet to be exploited to significantly modify their optical properties. In this work, by using vacuum filtration-assisted self-assembly, CNCs are densely packed into films with high optical transparency.
View Article and Find Full Text PDFNew insights into chitosan-Ag nanocomposites synthesis: Physicochemical aspects of formation, structure-bioactivity relationship and mechanism of antioxidant activity.
Int J Biol Macromol
January 2025
Chemical and Biological Integrative Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea; Division of Bio-Medical Science & Technology, KIST School, University of Science and Technology, Seoul 02792, Republic of Korea; KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea. Electronic address:
Herein, a novel approach to the controlled formation of chitosan-Ag nanocomposites (NCs) with different structures and tunable chemical/biological properties was proposed. The chitosan-Ag NCs were obtained using hydrothermal synthesis and varying the concentrations of components. The hypothesis of chitosan-Ag NC synthesis using polysaccharide coils as a "microreactor" system was confirmed.
View Article and Find Full Text PDFCovalent organic frameworks for metal ion separation: Nanoarchitectonics, mechanisms, applications, and future perspectives.
Adv Colloid Interface Sci
January 2025
Beijing National Laboratory for Molecular Sciences, CAS Key Lab of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China. Electronic address:
Covalent organic frameworks (COFs) are a class of porous crystalline materials with high surface areas, tunable pore sizes, and customizable surface chemistry, making them ideal for selective metal ion separation. This review explores the nanoarchitectonics, mechanisms, and applications of COFs in metal ion separation. We highlight the diverse bonding types (e.
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