Pillar‐Controlled Electronic Energy Barrier Reduction in Metal–Organic Frameworks for Self‐Powered Antibiotic Degradation

ABSTRACT

Metal–organic framework materials have emerged as one of the most promising friction dielectric materials due to their highly tunable electronic structure. In this study, by regulating the intrinsic work function and polarization of the ZUT‐11s framework material, electronic structure parameters such as density of states, crystal orbital hamilton populations, electron localization function, and bader jointly revealed the charge transfer path and charge transfer ability of ZUT‐11‐bpe. With the introduction of high‐conjugated electron bridges, it has provided a fast highway for carriers, significantly accelerating interface charge transfer and significantly improving the frictional electric output performance. Experimental results show that ZUT‐11‐bpe@TENG can output a short‐circuit current of up to 104.78 µA at 5 Hz. The peak values of surface charge density and power density are 150 µC m ^{− 2} and 4122.32 mW m ⁻² , respectively. The self‐powered catalytic degradation device of ZUT‐11‐bpe@TENG achieves a degradation efficiency of over 98% for new organic pollutants such as chloramphenicol within 75 minutes. This work provides a new strategy for designing high‐performance MOFs‐based triboelectric nanogenerators for water pollution treatment research.