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From Lead Iodide to Radical Form Lead-Iodide Superlattice: High Conductance Gain and Broader Band for Photoconductive Response
摘要： Superlattice materials offer new opportunities to modify optical and electrical properties of the recently emerging 2D materials. The insertion of tetraethylbenzidine into interlamination of the known 2D PbI2 semiconductor through a mild solution method yielded lead-iodide superlattice, EtDAB·4PbI2 (EtDAB = tetraethylbenzidine), with radical and non-radical forms. The non-radical form has a nonionic structure that differs from the common ionic structures for inorganic–organic hybrid lead halides. The radical form shows five orders of magnitude of conductance gain and broader photoconductive response range (UV–Vis → UV–Vis–IR), compared with pure PbI2 and the non-radical form.
关键词： Inorganic-organic hybrid,Photoconductive,Semiconductive,Lead halide,Superlattice
更新于2025-09-23 15:22:29
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From Lead Iodide to Radical Form Lead-Iodide Superlattice: High Conductance Gain and Broader Band for Photoconductive Response
摘要： Superlattice materials offer new opportunities to modify optical and electrical properties of the recently emerging 2D materials. The insertion of tetraethylbenzidine into interlamination of the known 2D PbI2 semiconductor through a mild solution method yielded lead-iodide superlattice, EtDAB·4PbI2 (EtDAB = tetraethylbenzidine), with radical and non-radical forms. The non-radical form has a nonionic structure that differs from the common ionic structures for inorganic–organic hybrid lead halides. The radical form shows five orders of magnitude of conductance gain and broader photoconductive response range (UV–Vis → UV–Vis–IR), compared with pure PbI2 and the non-radical form.
关键词： Inorganic-organic hybrid,Photoconductive,Semiconductive,Lead halide,Superlattice
更新于2025-09-23 15:22:29