The Sn4P3@NCS multifunctional separator suppresses polysulfide shuttling via van der Waals physical adsorption and Sn4P3/N-polar chemical anchoring, delivering a high discharge capacity of 1250 mA h g-1 at 0.2C, and of 753 mA h g-1 at 4C, and stable cycling performance under a sulfur loading of 3.8 mg cm-2.
A novel linear non-halogenated polymer donor, PTTzP, with a simple structure was synthesized via Suzuki-Miyaura coupling. PTTzP exhibits comparable device performance (>12%) in organic solar cells (OSCs) when processed with halogenated and non-halogenated solvents, respectively. This achievement highlights the potential of PTTzP as an efficient and environmentally friendly polymer donor, enabling high-performance OSCs through entirely green synthesis and processing methods.
We report a novel indium(III) chloride complex that exhibits aggregation-induced emission (AIE) and functions as a selective turn-off fluorescent chemosensor for perfluoroalkyl substances (PFAS). The complex shows strong blue-shifted luminescence quenching upon interaction with perfluoroheptanoic acid (PFHpA) and perfluorooctanoic acid (PFOA) due to stabilization of the ground state molecular orbitals relative to those of the excited state. The selectivity of these compounds for PFOA and PFHpA is also reflected in the dipole moment and thus emission intensity of this complex, hence, they represent promising platforms for sensing "forever chemicals".
Pseudorotaxanes, which are formed by macrocyclic host molecules and linear guest molecules, show potential in molecular devices and surface applications. In this study, ethoxy-functionalized pillar[5]arene (P5A) and amphiphilic linear fatty acid guests were self-assembled into oriented monolayers at the air-water interface. The fatty acid structure dictates the monolayer formation: [2]pseudorotaxane-based, [3]pseudorotaxane-based and phase-separated monolayers. These findings provide insights into P5A-based pseudorotaxane monolayers, facilitating their integration into advanced functional materials.
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