Journal Article 2D materials Review 2D optoelectronics 3D chiral perovskites 3D fabrication Co doping Contrast Media Magnetite Nanoparticles MoS2 Research Support, Non-U.S. Gov't WS2 kirigami ambient stability bidirectional polarization‐sensitive detection chemical vapor deposition chirality transfer circularly polarized optoelectronics dichalcogenides domain dynamics encapsulation excitons field‐effect transistors flexible resist stencils interlayer excitons liquid metal metallic spirals metastructures metasurface nanoscale domains patterning