Latest inventions in science and technology Smog-Eating Photocatalytic Coatings Context: The Delhi government partnered with Indian Institute of Technology Madras to study “smog-eating” photocatalytic coatings for roads. About Smog-Eating Photocatalytic Coatings Designed to neutralize harmful air pollutants like nitrogen dioxide and volatile hydrocarbons, which contribute to toxic smog Typically made with titanium dioxide (TiO₂) Low-cost, chemically stable, and compatible with conventional construction materials TiO₂-based construction materials can break down harmful gases and aid environmental cleaning Uses photocatalytic activity to combat pollution Mechanism Light energy activates the coating Converts toxic gases and organic pollutants into less harmful or harmless substances Helps make air and water cleaner
