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Transmission electron microscopy analysis put in evidence the high crystallinity degree and microrod\u2019s compositional homogeneity. Photoluminescence revealed a dominant 3.31\u2009eV emission. The correlation between this emission and the presence of surface states was investigated by performing plasma treatments with hydrogen and nitrogen. The significant modifications in photoluminescence spectra after the plasma treatments suggest a connexion between the 3.31\u2009eV luminescence and the surface related electronic levels.<\/jats:p>","DOI":"10.1038\/srep10783","type":"journal-article","created":{"date-parts":[[2015,6,1]],"date-time":"2015-06-01T12:06:48Z","timestamp":1433160408000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":43,"title":["Effect of N2 and H2 plasma treatments on band edge emission of ZnO microrods"],"prefix":"10.1038","volume":"5","author":[{"given":"Joana","family":"Rodrigues","sequence":"first","affiliation":[]},{"given":"Tiago","family":"Holz","sequence":"additional","affiliation":[]},{"given":"Rabie","family":"Fath Allah","sequence":"additional","affiliation":[]},{"given":"David","family":"Gonzalez","sequence":"additional","affiliation":[]},{"given":"Teresa","family":"Ben","sequence":"additional","affiliation":[]},{"given":"Maria R.","family":"Correia","sequence":"additional","affiliation":[]},{"given":"Teresa","family":"Monteiro","sequence":"additional","affiliation":[]},{"given":"Florinda M.","family":"Costa","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2015,6,1]]},"reference":[{"key":"BFsrep10783_CR1","doi-asserted-by":"publisher","first-page":"49","DOI":"10.1016\/j.mser.2006.04.002","volume":"52","author":"JG Lu","year":"2006","unstructured":"Lu, J. 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