Accepted Manuscript First principles investigation of Be 3 X 2 (X=N, P, As) and their alloys for solar cell applications Mazhar Ullah, Roshan Ali, G. Murtaza, Yue Chen PII: S0925-8388(19)31675-5 DOI: https://doi.org/10.1016/j.jallcom.2019.05.017 Reference: JALCOM 50549 To appear in: Journal of Alloys and Compounds Received Date: 16 February 2019 Revised Date: 29 April 2019 Accepted Date: 2 May 2019 Please cite this article as: M. Ullah, R. Ali, G. Murtaza, Y. Chen, First principles investigation of Be 3 X 2 (X=N, P, As) and their alloys for solar cell applications, Journal of Alloys and Compounds (2019), doi: https://doi.org/10.1016/j.jallcom.2019.05.017. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.