eng Science and Education Publishing World Journal of Chemical Education 2375-1657 2018-01-27 6 1 14 17 10.12691/wjce-6-1-3 WJCE2018613 article Phototactive Thin Films in Science Education Michael W. Tausch mtausch@uni-wuppertal.de 1 Bergische Universit?t Wuppertal, Gau?str. 20, D-42119 Wuppertal, Germany http://pubs.sciepub.com/wjce/6/1/3/wjce-6-1-3.pdf