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TiO2 Nanofibrous Interface Development For Raman Detection of Environmental Pollutants

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journal contribution
posted on 21.05.2021, 17:22 by D. Maznichenko, P. R. Selvaganapathy, Krishnan Venkatakrishnan, Bo Tan
Sensor development has been reliant on planar Au and Ag nanoparticle research. The current findings explored a unique 3-D network of crystalline TiO2 nanoparticles linked as nanofibers. In addition to the favorability of using TiO2 for chemical and bio-molecular sensing, the nanofiber network provides molecular diffusion control and an increased confocal volume signal. Controlled femtosecond laser synthesis is also demonstrated that directly impacts surface-enhanced Raman spectroscopy detection of two common environmentally harmful chemicals: bisphenol A and diclofenac sodium salt. These findings assert that 3-D nanofibrous network porosity optimization is crucial for Raman monitoring of drinking water.

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