1 TITLE: 2 Low Pressure Vapor-Assisted Solution Process for Tunable Band Gap Pinhole-free 3 Methylammonium Lead Halide Perovskite Films 4 5 AUTHORS: 6 Yanbo Li,* Carolin M. Sutter-Fella,* Nicola Cefarin, Aya K. Buckley, Quyhn P. Ngo, Ali Javey, Ian D. 7 Sharp, Francesca M. Toma 8 *Equal Contribution 9 10 Li, Yanbo 11 Joint Center for Artificial Photosynthesis 12 Chemical Sciences Division 13 Lawrence Berkeley National Laboratory 14 Berkeley, California 94720, United States 15 16 Institute of Fundamental and Frontier Sciences 17 University of Electronic Science and Technology of China 18 Chengdu, Sichuan 610054, China 19
[email protected] 20 21 Sutter-Fella, Carolin M. 22 Electrical Engineering and Computer Sciences 23 University of California, Berkeley 24 Joint Center for Artificial Photosynthesis 25 Materials Science Division 26 Lawrence Berkeley National Laboratory 27 Berkeley, California 94720, United States 28
[email protected] 29 30 Cefarin, Nicola 31 Joint Center for Artificial Photosynthesis 32 Chemical Sciences Division 33 Lawrence Berkeley National Laboratory 34 Berkeley, California 94720, United States 35 36 Department of Physics, Graduate School of Nanotechnology 37 University of Trieste 38 Trieste 34127, Italy 39 40 TASC Laboratory 41 IOM-CNR - Istituto Officina dei Materiali 42 Trieste 34149, Italy 43
[email protected] 44 Page 1 of 12 45 Buckley, Aya 46 Department of Chemistry 47 University of California, Berkeley 48 Joint Center for Artificial Photosynthesis 49 Chemical Sciences Division 50 Lawrence Berkeley