Research Article

Ammonia Gas Detection by Tannic Acid Functionalized and Reduced Graphene Oxide at Room Temperature

Table 1

Respond ratio/ , respond time/ , recovery ratio/ , and recovery time/ of rGOTA functionalized towards different concentration of .

(ppm) (s) (s)

13109.3%4066.45%170
262012.5%4088.87%90
393014.9%4093.80%250
524017.8%20100.00%260
655020.1%20100.00%100