Optical and mechanical properties of tungsten bronzes: a comparative study of MxWO3 with different ions

Danilo Dini; Stefano Passerini; Bruno Scrosati; Franco Decker

doi:10.1117/12.266835

6 February 1997 Optical and mechanical properties of tungsten bronzes: a comparative study of M_xWO₃ with different ions

Danilo Dini, Stefano Passerini, Bruno Scrosati, Franco Decker

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Proceedings Volume 2968, Optical Organic and Semiconductor Inorganic Materials; (1997) https://doi.org/10.1117/12.266835
Event: International Conference on Advanced Optical Materials and Devices, 1996, Riga, Latvia

Abstract

The changes that the electrochemical insertion of ions (M equals H, Li or Na) cause in the optical and mechanical properties of electrochromic tungsten bronzes, M_xWO₃, are reported. The commonly accepted assumption that the electrons and cations have separate effects, namely on the optical properties and film volume (stress), respectively, does not properly describe the results that are obtained with the three different cations. Differences between the cations are explained in terms of cation diffusion in a solid medium. Particular attention is given to the use of the laser beam deflection method, in conjunction with in- situ optical measurements, to characterize electrochromic thin films.

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Danilo Dini, Stefano Passerini, Bruno Scrosati, and Franco Decker "Optical and mechanical properties of tungsten bronzes: a comparative study of M_xWO₃ with different ions", Proc. SPIE 2968, Optical Organic and Semiconductor Inorganic Materials, (6 February 1997); https://doi.org/10.1117/12.266835

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