TY - RPRT TI - A 2D/3D Heterostructure Perovskite Solar Cell with a Phase‐Pure and Pristine 2D Layer AU - Shih, Meng‐Chen [Department of Chemistry Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA] AU - Tan, Shaun [Department of Chemistry Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA] AU - Lu, Yongli [Department of Chemistry Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA] AU - Kodalle, Tim [Molecular Foundry Division Lawrence Berkeley National Laboratory 67 Cyclotron Road Berkeley CA 94720 USA, Advanced Light Source Lawrence Berkeley National Laboratory 6 Cyclotron Road Berkeley CA 94720 USA] AU - Lee, Do‐Kyoung [Molecular Foundry Division Lawrence Berkeley National Laboratory 67 Cyclotron Road Berkeley CA 94720 USA, Nevada Extreme Conditions Laboratory University of Nevada Las Vegas NV 89154 USA] AU - Dong, Yifan [Chemistry and Nanoscience Center National Renewable Energy Laboratory (NREL) 15013 Denver West Parkway Golden CO 80401 USA] AU - Larson, Bryon W. [Chemistry and Nanoscience Center National Renewable Energy Laboratory (NREL) 15013 Denver West Parkway Golden CO 80401 USA] AU - Park, Soyeon [Chemistry and Nanoscience Center National Renewable Energy Laboratory (NREL) 15013 Denver West Parkway Golden CO 80401 USA] AU - Zhang, Ruiqi [Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology (MIT) 77 Massachusetts Avenue Cambridge MA 02139 USA] AU - Grotevent, Matthias J. [Department of Chemistry Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA] AU - Sverko, Tara [Department of Chemistry Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA] AU - Zhu, Hua [Department of Chemistry Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA] AU - Lin, Yu‐Kuan [Department of Chemistry Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA] AU - Sutter‐Fella, Carolin M. [Molecular Foundry Division Lawrence Berkeley National Laboratory 67 Cyclotron Road Berkeley CA 94720 USA] AU - Zhu, Kai [Chemistry and Nanoscience Center National Renewable Energy Laboratory (NREL) 15013 Denver West Parkway Golden CO 80401 USA] AU - Beard, Matthew C. [Chemistry and Nanoscience Center National Renewable Energy Laboratory (NREL) 15013 Denver West Parkway Golden CO 80401 USA] AU - Bulović, Vladimir [Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology (MIT) 77 Massachusetts Avenue Cambridge MA 02139 USA] AU - Bawendi, Moungi G. [Department of Chemistry Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA] (ORCID:0000000322204365) PY - 2025 DO - 10.1002/adma.202416672 UR - https://www.osti.gov/biblio/2531302 ID - 2531302 ER -