{"database":"biostudies-literature","file_versions":[],"scores":{"citationCount":0,"reanalysisCount":0,"viewCount":53,"searchCount":0},"additional":{"omics_type":["Unknown"],"volume":["13(7)"],"submitter":["Chang J"],"pubmed_abstract":["Complex three-dimensional structures comprised of porous ZnO plates were synthesized in a controlled fashion by hydrothermal methods. Through subtle changes to reaction conditions, the ZnO structures could be self-assembled from 20 nm thick nanosheets into grass-like and flower-like structures which led to the exposure of high proportions of ZnO {0001} crystal facets for both these materials. The measured surface area of the flower-like and the grass, or platelet-like ZnO samples were 72.8 and 52.4 m2∙g-1, respectively. Gas sensing results demonstrated that the porous, flower-like ZnO structures exhibited enhanced sensing performance towards NO2 gas compared with either grass-like ZnO or commercially sourced ZnO nanoparticle samples. The porous, flower-like ZnO structures provided a high surface area which enhanced the ZnO gas sensor response. X-ray photoelectron spectroscopy characterization revealed that flower-like ZnO samples possessed a higher percentage of oxygen vacancies than the other ZnO sample-types, which also contributed to their excellent gas sensing performance."],"journal":["Sensors (Basel, Switzerland)"],"pagination":["8445-60"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC3758604"],"repository":["biostudies-literature"],"pubmed_title":["Self-assembled 3D ZnO porous structures with exposed reactive {0001} facets and their enhanced gas sensitivity."],"pmcid":["PMC3758604"],"pubmed_authors":["Waclawik ER","Chang J","Wlodarski W","Ahmad MZ"],"view_count":["53"],"additional_accession":[]},"is_claimable":false,"name":"Self-assembled 3D ZnO porous structures with exposed reactive {0001} facets and their enhanced gas sensitivity.","description":"Complex three-dimensional structures comprised of porous ZnO plates were synthesized in a controlled fashion by hydrothermal methods. Through subtle changes to reaction conditions, the ZnO structures could be self-assembled from 20 nm thick nanosheets into grass-like and flower-like structures which led to the exposure of high proportions of ZnO {0001} crystal facets for both these materials. The measured surface area of the flower-like and the grass, or platelet-like ZnO samples were 72.8 and 52.4 m2∙g-1, respectively. Gas sensing results demonstrated that the porous, flower-like ZnO structures exhibited enhanced sensing performance towards NO2 gas compared with either grass-like ZnO or commercially sourced ZnO nanoparticle samples. The porous, flower-like ZnO structures provided a high surface area which enhanced the ZnO gas sensor response. X-ray photoelectron spectroscopy characterization revealed that flower-like ZnO samples possessed a higher percentage of oxygen vacancies than the other ZnO sample-types, which also contributed to their excellent gas sensing performance.","dates":{"release":"2013-01-01T00:00:00Z","publication":"2013 Jul","modification":"2024-11-20T13:11:46.317Z","creation":"2019-03-27T01:15:21Z"},"accession":"S-EPMC3758604","cross_references":{"pubmed":["23820747"],"doi":["10.3390/s130708445"]}}