A mixed-anion compound based upon a [Pb4O4] heterocubane unit: synthesis, structure and electronic properties of Pb8O4I6(CN2)

IF 3.3 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Dalton Transactions Pub Date : 2025-09-23 DOI:10.1039/d5dt01979f

Albert T. Schwarz, Nele Petersen, Markus Ströbele, David Enseling, Thomas Jüstel, Adam Slabon, H.-Jürgen Meyer

引用次数: 0

Abstract

The present study reports the synthesis, crystal structure, and electronic properties of the lead–oxide–iodide–carbodiimde Pb₈O₄I₆(CN₂). The n-type semiconducting compound was obtained via ceramic method from PbI₂, PbO and Pb(CN₂), yielding an air stable, dark yellow crystalline material. Single-crystal X-ray diffraction revealed the monoclinic space group C2/c featuring a heterocubane-type [Pb₄O₄] motif interconnected by iodide bridges and (NCN)²⁻ units. The optical properties were characterized by diffuse reflectance UV-Vis spectroscopy, Mott–Schottky analysis, and photoluminescence spectroscopy, providing insights into the electronic structure.

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Pb8O4I6（CN2）的合成、结构和电子性能研究

本文报道了氧化铅-碘化铅-碳二酰铅Pb8O4I6（CN2）的合成、晶体结构和电子性能。以PbI2、PbO和Pb（CN2）为原料，通过陶瓷法制备了n型半导体化合物，得到了一种空气稳定的深黄色晶体材料。单晶x射线衍射显示单斜空间群C2/c具有由碘化物桥和（NCN）2−单元连接的异立方型[Pb4O4]基序。通过漫反射紫外-可见光谱、莫特-肖特基分析和光致发光光谱对其光学性质进行了表征，从而对其电子结构进行了深入研究。

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来源期刊

Dalton Transactions 化学-无机化学与核化学

CiteScore

6.60

自引率

7.50%

发文量

1832

审稿时长

1.5 months

期刊介绍： Dalton Transactions is a journal for all areas of inorganic chemistry, which encompasses the organometallic, bioinorganic and materials chemistry of the elements, with applications including synthesis, catalysis, energy conversion/storage, electrical devices and medicine. Dalton Transactions welcomes high-quality, original submissions in all of these areas and more, where the advancement of knowledge in inorganic chemistry is significant.