Anti-bacterial efficiency close to 100% under 10-min sunlight and promising results in deactivation of coronaviruses CITY UNIVERSITY OF HONG KONG IMAGE: DR YE’S TEAM USES THE CO2 INFRARED LASER SYSTEM TO GENERATE GRAPHENE. EXPERIMENT RESULTS SHOW THAT THE GRAPHENE THEY PRODUCED EXHIBIT A MUCH BETTER ANTI-BACTERIAL EFFICIENCY THAN ACTIVATED CARBON FIBRE. CREDIT: CITY UNIVERSITY OF...