Optical properties of 2-aminopyridinium nitrato silver

Autor:	K. P. Bhuvana, S. Robinson Jebas, Thailampillai Balasubramanian
Rok vydání:	2010
Předmět:	Materials science Photoconductivity General Chemistry Dielectric Crystal structure Condensed Matter Physics Crystal Silver nitrate chemistry.chemical_compound Crystallography chemistry Transmittance General Materials Science Single crystal Monoclinic crystal system
Zdroj:	Crystal Research and Technology. 45:299-302
ISSN:	1521-4079 0232-1300
DOI:	10.1002/crat.200900509
Popis:	Crystals of 2-aminopyridinium nitrato silver have been synthesized by slow evaporation method. Grown crystals have been subjected to FTIR, Single crystal X-Ray diffraction and UV-Visible studies in order to investigate the structural and optical properties of the crystal. The FTIR spectrum reveals the presence of the functional group that corresponds to both 2-aminopyridine and silver nitrate, suggesting the formation of the compound, 2-aminopyridinium nitrato silver. From XRD it is observed that the crystal crystallizes in the structure of monoclinic with the space group of P21/c. The optical transmittance spectrum shows the maximum transparency of about 95% in the visible region is in consistent with the wide band gap, estimated as 4.738 eV. The optical constants n and k has also been determined from the transmittance data. The static dielectric constant is found to be 0.851. The wide band gap and the less dielectric constant suggest the suitability of this compound material for photoconductive applications. (© 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
Databáze:	OpenAIRE
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