Secondary Interaction-Manipulated Metal-Organic Crystalline Nanotube Array for Gas Sensing

Although having attracted growing interest, the design and preparation of metal-organic crystalline nanotube arrays (MO-CNAs) remains a challenge. Herein, a PbMIDLINE HORIZONTAL ELLIPSISS metal-nonmetal secondary interaction strategy was proposed to prepare a Pb(ii)-based MO-CNA (Pb-HTT), endowing Pb-HTT with high thermal/chemical stability, a porous structure, and open metal sites. With unique unsaturated metal centers for guest accommodation, Pb-HTT exhibited the best sensing performance with both response time Pb-HTT and revealed the sensing mechanism. Notably, this study not only provides a useful metal-nonmetal secondary interaction strategy for the construction of MO-CNAs, but also accelerates the application of semiconducting CNAs in structure-directed functional electronic devices.