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The document is a contents list for the journal CrystEngComm, which focuses on the design and understanding of solid-state and crystalline materials. The issue includes various articles and papers on topics such as organic charge transfer complexes, metal organic frameworks, mechanical properties of cocrystals, and scintillation crystals. The journal is published by The Royal Society of Chemistry, a leading chemistry community that reinvests its profits back into the chemistry community. [Extracted from the article]

Recently, the optical application of coordination polymers (CPs) has received increasing attention. In this paper, two novel Pb(II)-CPs were successfully synthesized under solvothermal conditions. Single-crystal diffraction analysis shows that compound 1 is an orthorhombic crystal system in the Pbca space group, and compound 2 is a monoclinic crystal system in the C2/c space group. Furthermore, we characterized compounds 1 and 2 by powder X-ray diffraction, infrared spectroscopy, solid-state UV-visible absorption spectroscopy and elemental analyses. The optical properties of compounds 1 and 2 were studied in depth, with compound 1 exhibiting yellow luminescence and compound 2 exhibiting blue luminescence. In addition, we mixed compound 1 with a commercial blue phosphor to obtain a white light-emitting diode (WLED) with adjustable correlated color temperature (CCT) and color rendering index (CRI). Therefore, the results suggest that Pb(II)-CPs have potential applications in the WLED field. [ABSTRACT FROM AUTHOR]