In this Minireview, the authors critically evaluate the role of dimensionality in porous semiconductors, which has not been intensely investigated, yet can play a key role in developing targeted and more functional semiconductors. Covalent organic frameworks, dimensionality, organic semiconductors, porous organic polymers, porous semiconductors Keywords: covalent organic frameworks; dimensionality; organic semiconductors; porous organic polymers; porous semiconductors EN covalent organic frameworks dimensionality organic semiconductors porous organic polymers porous semiconductors 1 1 1 05/17/21 20210512 NES 210512 B In recent years, the field of porous semiconductors b has significantly diversified.