Preparation and properties of Ba2+–Y3+ co-doped γ-Ce2S3 red pigment

• Autorzy: Li Xin , Li Yueming , Li Zhike , Wang Zhumei , Hong Yan , Song Fusheng

Warianty tytułu

PL

Przygotowanie i właściwości czerwonego pigmentu γ-Ce2S3 współdomieszkowanego Ba2+ i Y3+

• Języki publikacji: EN

Abstrakty

EN

In this study, Ba2+-Y3+ co-doped γ-Ce2S3 (abbreviated as γ-[Ba,Y]-Ce2S3) red pigments were synthesized by a co-precipitation method according to the composition of n(Ba)/n(Ce1-xYx) = 0.1 (molar ratio, x = 0, 0.01, 0.03, 0.05, and 0.10 mol). The corresponding vulcanized products, γ-[Ba,Y]-Ce2S3 red pigment (SYx), were prepared at 850 °C for 150 min by using CS2 as a sulphur source. The effect of the Y3+ doping content on the phase composition, chromaticity, and thermal stability of Ba2+-Y3+ co-doped γ-Ce2S3 was systematically investigated by FE-SEM, EDS, XRD, Raman spectroscopy, HR-TEM, XPS, CIELAB colorimeter, and TG-DTA. The results show that a pure γ phase can be obtained for SYx at 850 °C, when x is varied from 0 to 0.05 mol. Whereas new heterogeneous phases, i.e., α-Ce2S3 and BaY2S4, were observed when the Y3+ content was larger than 0.05. As the Y3+ content increased, the band gap of γ-[Ba,Y]-Ce2S3 increased from 2.12 eV to 2.15 eV, which led to a colour change from red to red-orange. The chromaticity value of the pigments was raised from L* = 31.84, a* = 30.95, b* = 23.63 (S.Y0.00) to L* = 36.69, a* = 41.83, b* = 41.00 (S.Y0.01), indicating that the Ba2+-Y3+ co-doping can effectively increase the chromaticity value. The S.Y0.01 sample still presented a pure γ-phase after heat treatment at 440 °C for 10 min in air, which indicated that the Ba2+-Y3+ co-doping successfully increased the thermal stability of the γ-[Ba,Y]-Ce2S3 red pigment.

PL

W niniejszych badaniach, czerwone pigmenty Ba2+-Y3+ γ-Ce2S3 (w skrócie γ-[Ba,Y]-Ce2S3) zostały zsyntetyzowane metodą współstracania zgodnie ze składem n(Ba)/n(Ce1-xYx) = 0,1 (stosunek molowy, x = 0, 0,01, 0,03, 0,05 i 0,10 mol). Odpowiednie produkty wulkanizowane, czerwony pigment γ-[Ba,Y]-Ce2S3 (SYx), wytworzono w 850 °C przez 150 min, stosując CS2 jako źródło siarki. Wpływ zawartości domieszki Y3+ na skład fazowy, chromatyczność i stabilność termiczną γ-Ce2S3 współdomieszkowanego Ba2+-Y3+ był systematycznie badany za pomocą FE-SEM, EDS, XRD, spektroskopii Ramana, kolorymetru HR-TEM, XPS, CIELAB i TG-DTA. Wyniki pokazują, że dla SYx można uzyskać w 850 °C czystą fazę γ, gdy x zmienia się od 0 do 0,05 mola. Podczas gdy nowe heterogeniczne fazy, tj. α-Ce2S3 i BaY2S4, zaobserwowano, gdy zawartość Y3+ była większa niż 0,05. Wraz ze wzrostem zawartości Y3+ pasmo wzbronione γ-[Ba, Y]-Ce2S3 wzrosło z 2,12 eVdo 2,15 eV, co doprowadziło do zmiany koloru z czerwonego na czerwono-pomarańczowy. Wartość chromatyczności pigmentów podniesiono z L* = 31,84, a* = 30,95, b* = 23,63 (S.Y0,00) do L* = 36,69, a* = 41,83, b* = 41,00 (S.Y0.01), wskazując, że współdomieszkowanie Ba2+-Y3+ może skutecznie zwiększyć wartość chromatyczności. Próbka S.Y0.01 nadal wykazywała czystą fazę γ po obróbce cieplnej w 440 °C przez 10 min w powietrzu, co wskazywało, że jednoczesne domieszkowanie Ba2+-Y3+ skutecznie zwiększyło stabilność termiczną czerwonego pigmentu γ-[Ba,Y ]-Ce2S3.

Słowa kluczowe

EN

γ-[Ba,Y]-Ce2S3; chromaticity; band gap; thermal stability; XPS analysis

PL

γ-[Ba,Y]-Ce2S3; chromatyczność; pasmo wzbronione; stabilność termiczna; analiza XPS

• Wydawca: Polskie Towarzystwo Ceramiczne
• Czasopismo: Materiały Ceramiczne
• Rocznik: 2019
• Tom: T. 71, nr 4
• Strony: 378--388
• Opis fizyczny: Bibliogr. 34 poz., rys., tab.

Twórcy

autor

Li Xin

• School of Materials Science and Engineering, Jingdezhen Ceramic Institute; National Light Industry Key Laboratory of Functional Ceramic Materials; Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province, Jingdezhen, 333403, P. R. China

autor

Li Yueming

• School of Materials Science and Engineering, Jingdezhen Ceramic Institute; National Light Industry Key Laboratory of Functional Ceramic Materials; Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province, Jingdezhen, 333403, P. R. China

autor

Li Zhike

• School of Materials Science and Engineering, Jingdezhen Ceramic Institute; National Light Industry Key Laboratory of Functional Ceramic Materials; Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province, Jingdezhen, 333403, P. R. China

autor

Wang Zhumei

• School of Materials Science and Engineering, Jingdezhen Ceramic Institute; National Light Industry Key Laboratory of Functional Ceramic Materials; Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province, Jingdezhen, 333403, P. R. China

autor

Hong Yan

• School of Materials Science and Engineering, Jingdezhen Ceramic Institute; National Light Industry Key Laboratory of Functional Ceramic Materials; Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province, Jingdezhen, 333403, P. R. China

autor

Song Fusheng

• School of Materials Science and Engineering, Jingdezhen Ceramic Institute; National Light Industry Key Laboratory of Functional Ceramic Materials; Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province, Jingdezhen, 333403, P. R. China

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).