Preparation and structure of low-melting-point stannous chlorophosphate containing nitrogen glasses

ZnCl2-Enhanced Intrinsic Luminescence of Tin Chlorophosphate Glasses

“…Figure 4a shows DSC curves of all the TCPZ glasses, their Tg increased with an in the ZnCl2 content. Compared with TCP glasses, the Tg of TCPZ glasses did no significantly [13]. The Tg of TCPZ glasses is less than 200 °C and still maintains acteristics of low melting point glass.…”

“…A previous study [17] indicated that Sn 2+ ions act as activators and participate in the formation of glass networks. From the composition and structural analysis of TCP glasses [13], when Sn/P < 1, some Sn atoms form P-O-Sn bonds in the glass network, and some Sn 2+ is activated to promote the luminescence of TCP glasses. When Sn/P > 1 (TCP 30), numerous Cl-Sn-Cl bonds form clusters of SnCl 2 in the glass, and the crossrelaxation of α-bands in the glass is increased, resulting in concentration quenching effects that reduce the luminescence intensity.…”

“…Low-melting glass is also considered an ideal solid host for organic chromophores, which includes the incorporation of Rhodamine 6G to prepare glass-organic luminophore composites [12]. Recently, Sn-P-O-Cl (TCP) glasses with a T g lower than 200 °C, which replaced F with Cl and melted below 400 • C, were reported [13]. Because of the different electronegativities of F and Cl, it can be expected that Cl will change the nearby environment of Sn 2+ .…”