Fig. 1: Present and future prospects of 2D porous heterostructures.
From: Electrochemical energy storage performance of 2D nanoarchitectured hybrid materials

Construction of 2D porous heterostructures from (a1) layered 2D nanosheets and (a2) exfoliated 2D nanosheets. b Control over the pore shape of the mesoporous layer. Future design of a 2D porous heterostructure (c1) with multiple mesoporous layers and (c2) by using Janus nanosheets.