Synthesis and characterization of high NIR reflecting eco-friendly BaMoO4 pigments in scheelite family

Baby, Olga Maria; Balamurugan, S.; Ashika, S. A.; Fathima, T. K. Sana

doi:10.1007/s42247-021-00345-9

Cited by 17 publications

(11 citation statements)

References 77 publications

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“…Energy saving process is one of the important research topics now-a-days which may reduce those emissions. The sun's energy that reaches the earth's surface are classified as Ultraviolet Region (300-400 nm) about 5%, Visible Region (400-700 nm) around 43% and Infrared region (700-2500 nm) 52% [1,2]. The heat producing region of the infrared radiation ranging from 700 nm to 1100 nm [3] is responsible for the warm nature of open air.…”

Section: Introductionmentioning

confidence: 99%

Enhanced near-infrared reflectance and functional characteristics of nano metal oxide embedded alkyd coatings

Benitha¹,

Jeyasubramanian²,

V.S.³

2022

Mater. Res. Express

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The main idea of the research is to formulate alkyd based smart coatings with high NIR-reflectance to decrease the cooling load in order to maintain cool comfort in buildings. In addition to the NIR reflectance studies, the physical characteristics of the coating such as glossiness, hiding power, spreading area, volatile organic contents are evaluated. Heat reflective coatings are prepared by ball milling technique utilizing white metal oxide nanoparticles (NPs) titanium oxide (TiO2), zinc oxide (ZnO) and zirconium oxide (ZrO2) as pigments. The X-Ray Diffraction (XRD) and Field Emission Scanning Electron Microscopy (FESEM) results reveal the prepared metal oxide pigments are of high purity. Bonding interaction between the alkyd resin and the NPs are studied using Fourier transform infrared spectroscopy (FTIR).The spectral reflectance of the prepared coatings are measured using spectrophotometer in the solar spectrum range, wherein ZnO based nanocoatings shows better results. The cool comfort is measured for ZnO nanocoatings in an enclosed glass cabinet and the differences in temperature with respect to exposure to sunlight are highlighted. Finally, a prototype coated with ZnO NPs maintains lower indoor temperature than the commercially available white paint coated model in the order of 2.7 ºC.

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Section: Introductionmentioning

confidence: 99%

Enhanced near-infrared reflectance and functional characteristics of nano metal oxide embedded alkyd coatings

Benitha¹,

Jeyasubramanian²,

V.S.³

2022

Mater. Res. Express

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“…Sự xuất hiện các đỉnh phát xạ trên phổ PL đã chứng minh rằng khi pha tạp ion Eu 3+ vào BaMoO 4 , xảy ra sự truyền năng lượng hiệu quả từ mạng nền đến các mức năng lượng 4f của ion Eu 3+ . Kết quả này có sự phù hợp với các đỉnh phát xạ do chuyển tiếp của ion Eu 3+ trong các nghiên cứu trước [15] - [17]. Kết quả chỉ ra trên hình 6 cho thấy, khả năng phát quang của các vật liệu BaMoO 4 @Eu 3+ có xu hướng đạt cường độ tốt nhất ở khoảng nồng độ pha tạp 4.0% Eu 3+ .…”

Section: Nghiên Cứu Phổ Phát Quang Của Vật Liệu Bamoo 4 Pha Tạp Ion E...unclassified

SYNTHESIZE, STRUCTURE AND LUMINESCENCE PROPERTIES OF NANOPARTICLES BaMoO4 DOPED Eu3+ BY HYDROTHERMAL METHOD

Nhương¹,

Thơ²,

Trang³

et al. 2022

TNUJST

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Bài báo chỉ ra các kết quả nghiên cứu tính chất đặc trưng và khả năng phát quang của vật liệu nano BaMoO4 pha tạp ion Eu3+ (BME). Vật liệu BME (pha tạp 0,1 đến 9,0 mol% Eu3+) đã được tổng hợp thành công bằng phương pháp thủy nhiệt. Kết quả nghiên cứu cấu trúc thông qua giản đồ nhiễu xạ tia X (XRD) cho thấy, vật liệu BME kết tinh dạng tinh thể đơn phaphù hợp với cấu trúc tứ giác của BaMoO4 (theo thẻ chuẩn JCPDS 00-029-0193). Các nhóm liên kết đặc trưng Eu-O, Mo-O và MoO42- được khẳng định bằng phổ Raman đã chứng minh sự pha tạp thành công ion Eu3+ vào mạng nền.Ảnh hiển vi điện tử quét phát xạ trường (FE-SEM) cho thấy, vật liệu BME có kích thước hạt nano tương đối đồng đều, đường kính trong khoảng 19,57 nm đến 39,62 nm. Phổ huỳnh quang cho thấy, các vật liệu BME có khả năng phát quang màu đỏ với cường độ lớn tại khoảng bước sóng 616 nm tương ứng với chuyển tiếp 5D0 → 7F2. Vớinhững tính chất ưu việt về hình thái, cấu trúc và là nguồn phát ra ánh sáng đỏ, vật liệu nano BMEcó tiềm năng ứng dụng trong chế tạo đèn Led ánh sáng trắng, ấm, tiêu hao ít năng lượng.

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“…Barium molybdates belonging to the transition metal oxide family are among the interesting materials due to their structural and luminescent properties. Previous research has established that BaMoO 4 particles are synthesized by various fabrication methods such as co‐precipitation, hydrothermal, solvothermal, and solid‐state [6–24] . It is understood from these studies that the morphological and crystallinity properties of materials are significantly affected by the synthesis methods, precursor materials, surfactants, and solvents used in the production of nanomaterials.…”

Section: Introductionmentioning

confidence: 99%

“…Previous research has established that BaMoO 4 particles are synthesized by various fabrication methods such as co-precipitation, hydrothermal, solvothermal, and solid-state. [6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24] It is understood from these studies that the morphological and crystallinity properties of materials are significantly affected by the synthesis methods, precursor materials, surfactants, and solvents used in the production of nanomaterials. This means that nanoparticles with different properties can be fabricated by changing these synthesis parameters.…”

Section: Introductionmentioning

confidence: 99%

“…They have also observed that the optical properties of BaMoO 4 particles change depending on these morphological properties. [6] In another seminal study, the effect of sodium dodecyl sulfate (SDS) on the morphology of BaMoO 4 particles was investigated. It has been notified that the pores are formed on the surface of BaMoO 4 by using SDS, and these pores contribute to the increase of photocatalytic properties.…”

Section: Introductionmentioning

confidence: 99%

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A Facile and Fast Synthesis of Barium Molybdate Nanoparticles: Effects of PH and Surfactant

Sarılmaz

2023

ChemistrySelect

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Barium molybdate (BaMoO4) is one of the materials used extensively in electronic and optical devices. Although there are many synthesis methods in the literature, a route for facile synthesis of nano‐BaMoO4 has been ignored. In this study, BaMoO4 nanoparticles were produced by the co‐precipitation method at room temperature within a short time. The effects of ammonia solutions and surfactants on the morphology of the particles were investigated. Various properties of these materials were characterized by XRD, SEM‐EDX, elemental mapping, TEM, and UV‐Vis analysis methods. Also, the crystal structure parameters and the compatibility of these values with the theoretical calculations were determined by Rietveld refinement. From the HR‐TEM image, the interplanar spacing was calculated as 3.2 Å. It was determined from these analyses that BaMoO4 particles with optical band gaps varying between 3.80 and 3.95 eV were produced in nano and micrometer sizes. It has been demonstrated by this study that the pH of the synthesis solution and the type of surfactant have significant effects on the morphological and optical properties of the materials.

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Synthesis and characterization of high NIR reflecting eco-friendly BaMoO4 pigments in scheelite family

Cited by 17 publications

References 77 publications

Enhanced near-infrared reflectance and functional characteristics of nano metal oxide embedded alkyd coatings

Enhanced near-infrared reflectance and functional characteristics of nano metal oxide embedded alkyd coatings

SYNTHESIZE, STRUCTURE AND LUMINESCENCE PROPERTIES OF NANOPARTICLES BaMoO4 DOPED Eu3+ BY HYDROTHERMAL METHOD

A Facile and Fast Synthesis of Barium Molybdate Nanoparticles: Effects of PH and Surfactant

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