High-performance solution-processed 2D p-type WSe

Semiconducting ink based on two-dimensional (2D) single-crystal flakes with dangling-bond-free surfaces enables the implementation of high-performance devices on form-free substrates by cost-effective and scalable printing processes. However, the lack of solution-processed p-type 2D semiconducting inks with high mobility is an obstacle to the development of complementary integrated circuits. Here, we report a versatile strategy of doping with Br