A5012185820- Various Chemistry Research Topics
- Pigment Synthesis and Properties
- Cultural Heritage Materials Analysis
- Electrochemical Analysis and Applications
- Water Quality Monitoring and Analysis
- Building materials and conservation
Brown University
2019-2022
Introducing chemical equilibrium concepts in undergraduate general chemistry promotes improved understanding of reactions. We have developed an engaging laboratory experiment exploring the cobalt complexation alcohols using UV–vis spectroscopy and successfully implemented a large class 378 students at Brown University. The octahedral to tetrahedral (pink blue) complex transition generates vivid visualizations, increasing students' interest learning. constants can be measured absorption...
The colors of copper-containing pigments, copper (II) oxide and malachite, their origins in ceramic glazes were systematically examined over a wide firing temperature range using suite analytical spectroscopy techniques including SEM, UV-Vis FORS, XRD, FTIR, EPR to gain new insight into the structural chemical transformations glaze during firing. two colorants investigated black (CuO) nanopowder blue-green basic carbonate, or malachite (Cu2CO3(OH)2), both which produce final light blue color...
Laboratory experiments provide students a tangible means of understanding dry, abstract concepts. A simple and engaging introductory wet chemistry laboratory has been developed relating quantum mechanics to color, which implemented for class about 600 per academic year over three years at Brown University. Color is an important aspect daily life, used communicate meaning emotion. Nanoparticles, organic dyes, metal complexes produce color in medieval stained glass, textiles, gemstones,...