We have studied WS2 / 2D perovskite heterostructures and discoered that strong enhancement of the photoemission properties result from the interfacing of these two materials.
More details can be found there.

In a recent article published in Nature communication we have understood the properties of excitons (mass, binding energy, size) as a function of the thickness of the 2D perovskite layers.

 

J.-C. Blancon, H. Tsai, W. Nie, C. C. Stoumpos, L. Pedesseau, C. Katan, M. Kepenekian, C. M. M. Soe, K. Appavoo, M. Sfeir, S. Tretiak, P. M. Ajayan, M. G. Kanatzidis, J. Even, J. J. Crochet, A. Mohite

Science  DOI: 10.1126/science.aal4211

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I am a Senior Scientist at Rice University since July 2018 in the MPEM group working on hybrid perovskites, 2D materials, and other nanostructures.