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The article is retracted at the request of a Publisher’s representative and authors. The Retraction Policy is clearly stated in the journal’s Policy and Ethics statement. During the retraction procedure, the Editors of the journal adhered to the COPE’s Retraction Guidelines. The authors of the retracted paper were informed about retraction in due course.

international letters of chemistry, physics and astronomy

Retraction Notice: K.U. Isah et al., Betalain Pigments as Natural Photosensitizers for Dye-Sensitized Solar Cells: The Effect of Dye pH on the Photoelectric Parameters, International Letters of Chemistry, Physics and Astronomy, Vol. 55, pp. 86-93, 2015