TY - JOUR T1 - Improving the selectivity of a free base tetraphenylporphyrin based gas sensor for NO2 and carboxylic acid vapors JO - Sensors and Actuators B: Chemical PY - 2015/01/01 AU - Evyapan M AU - Dunbar ADF ED - DO - DOI: 10.1016/j.snb.2014.09.023 PB - Elsevier BV VL - 206 SP - 74 EP - 83 Y2 - 2025/04/30 ER -