Fabrication and Characterization of Ordered Plasmonic Metal Nanostructures for Sensing and Electrocatalytic Applications CHENKUN 2019 Carbon dioxide is considered as the main source of global warming.This research focused on making novel metal nanostructures to electrocatalytically convert CO2 to hydrocarbon fuels to store excess electricity generated from renewable energies, which could not only provide valuable energy sources in a sustainable manner, but also help mitigate the global warming effect caused by rising atmospheric CO2 levels.