Journal Article Review 2D materials 2D tellurium 2D van der Waals heterostructures carrier injection chiral COFs chiroptics circularly polarized light defect engineering electronics ferroelectric polarization floating gate in-sensor reservoir computing light-emitting diodes multimodal reservoir computing neuromorphic computing optical communication band optoelectronic memory device optoelectronic memory devices optoelectronics photodetectors quantum efficiency reconfigurable memory device synthesis methods tellurium tellurium nanoflake transition metal dichalcogenides van der Waals heterostructure van der Waals heterostructures