Highly reversible switching from P- to N-type NO₂ sensing in a monolayer Fe₂O₃ inverse opal film and the associated P–N transition phase diagram

• Published in: Journal of materials chemistry. A, Materials for energy and sustainability Vol. 3; no. 7 p.3372-3381; pp. 3372 - 3381
• Main Authors: Dai, Zhengfei, Lee, Chul-Soon, Tian, Yahui, Kim, Il-Doo, Lee, Jong-Heun
• Format: Journal Article
• Language: English
• Published: 21.02.2015
• Subjects: environmental impact; ferric oxide; gases; human health and safety; nitrogen dioxide; opal; porous media; temperature; tin dioxide

The detection of nitrogen dioxide, NO₂, is currently the subject of extensive scientific and technological research, motivated by its deleterious impact on the environment and on human health and safety. However, detecting trace levels of NO₂ gas in a timely, sensitive, and selective manner remains...