?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.heliyon.2020.e03364&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=L.W.X.&rft.au=Rebecca%2C+L.W.X.&rft.aulast=Rebecca&rft.issn=24058440&rft.atitle=Structural+changes+and+band+gap+tunability+with+incorporation+of+n-butylammonium+iodide+in+perovskite+thin+film&rft.title=Heliyon&rft.date=2020&rft.volume=6&rft.issue=2&rft.genre=article