Morphological Effects in SnO2 Chemiresistors for Ethanol Detection: A Review in Terms of Central Performances and Outliers
Autori: Ponzoni A.
Affiliazione autori: Natl Res Council CNR INO, Natl Inst Opt, Unit Brescia, I-25123 Brescia, Italy
Abstract: SnO2 is one of the most studied materials in gas sensing and is often used as a benchmark for other metal oxide-based gas sensors. To optimize its structural and functional features, the fine tuning of the morphology in nanoparticles, nanowires, nanosheets and their eventual hierarchical organization has become an active field of research. In this paper, the different SnO2 morphologies reported in literature in the last five years are systematically compared in terms of response amplitude through a statistical approach. To have a dataset as homogeneous as possible, which is necessary for a reliable comparison, the analysis is carried out on sensors based on pure SnO2, focusing on ethanol detection in a dry air background as case study. Concerning the central performances of each morphology, results indicate that none clearly outperform the others, while a few individual materials emerge as remarkable outliers with respect to the whole dataset. The observed central performances and outliers may represent a suitable reference for future research activities in the field.
Volume: 21 Da Pagina: 29-1 A: 29-23
Parole chiavi: Chemiresistors; SnO2; ethanol; nanoparticles; nanorods; nanosheets; hierarchical nanostructuresDOI: 10.3390/s21010029Citazioni: 9dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2022-08-14Riferimenti tratti da Isi Web of Knowledge: (solo abbonati) Link per visualizzare la scheda su IsiWeb: Clicca quiLink per visualizzare la citazioni su IsiWeb: Clicca qui