Bio fueled synthesis of Cr3+ doped V2O5 nanoparticles: Multifunctional applications in Photonics, Fingerprint visualization and Oxidative damage mitigation

IF 5.1 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Ceramics International Pub Date : 2025-06-01 DOI:10.1016/j.ceramint.2025.02.219

C.U.Charitha Ganesh , B.R.Radha Krushna , I.S. Pruthviraj , G. Ramakrishna , S.C. Sharma , Liza Mohapatra , U. Premkumar , R. Anitha , K. Manjunatha , Sheng Yun Wu , V. Shivakumar , S. Devaraja , B.K. Das , H. Nagabhushana

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引用次数: 0

Abstract

A series of un-doped and Cr³⁺ doped V₂O₅ (1–5 mol%) nanoparticles (NPs) were successfully synthesized using a combustion method, employing Gasteria Succulents (G.S.) gel as a bio-based fuel. The orthorhombic crystalline structure of the NPs was verified through Powder X-ray Diffraction (PXRD), while Field Emission Scanning Electron Microscopy (FE-SEM) confirmed their rod-shaped morphology. Under 394 nm excitation, the Cr³⁺ ions within the V₂O₅ matrix exhibited pronounced red emission, attributed to the ²E_g→⁴A_2g electric dipole transition in a strong crystal field environment. Among the samples, V₂O₅:0.03Cr³⁺ NPs demonstrated superior optical characteristics, achieving outstanding color purity (CP) of 99.9 % and an impressive internal quantum efficiency (I_QE) of 78.32 %. These NPs also exhibited excellent thermal stability, retaining 89.36 % of their emission intensity at 420 K, making them viable for photonic applications in high-temperature environments. The V₂O₅:0.03Cr³⁺ NPs showed significant potential in white light-emitting diodes (w-LEDs) fabrication, delivering a correlated color temperature (CCT) of 5389 K, CIE coordinates of (0.3345, 0.3223), and a high color rendering index (CRI) of R_a = 93. Incorporating V₂O₅:0.03Cr³⁺ NPs into a polyvinyl alcohol (PVA) matrix exhibited robust red luminescence under UV-365 nm UV light, highlighting their effectiveness in AC applications. Furthermore, these NPs excelled in latent fingerprints (LFPs) development, offering excellent selectivity and high contrast under UV-365 nm illumination, enabling clear visualization of level I–III fingerprint features. Fingerprints (FPs) recognition and analysis were automated and refined using YOLOv8x software. Additionally, the V₂O₅:0.03Cr³⁺ NPs demonstrated significant biological potential by mitigating oxidative damage from peroxynitrite to proteins, lipids, and endothelial structures, underscoring their utility in addressing chronic endothelial dysfunction.

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生物燃料合成Cr3+掺杂V2O5纳米颗粒：在光子学、指纹可视化和氧化损伤缓解中的多功能应用

采用燃烧法制备了一系列未掺杂和Cr3+掺杂的V2O5 （1-5 mol%）纳米颗粒（NPs），并以Gasteria Succulents （G.S.）凝胶为燃料。通过粉末x射线衍射（PXRD）和场发射扫描电镜（FE-SEM）验证了NPs的正交晶型结构。在394 nm激发下，V2O5基体内的Cr3+离子表现出明显的红色发光，这是由于在强晶体场环境下发生2Eg→4A2g电偶极子跃迁。其中，V2O5:0.03Cr3+ NPs表现出优异的光学特性，获得了99.9%的显色纯度（CP）和78.32%的内部量子效率（IQE）。这些NPs还表现出优异的热稳定性，在420 K时保持了89.36%的发射强度，使它们能够在高温环境中应用。V2O5:0.03Cr3+ NPs在白光发光二极管（w- led）制造中显示出显著的潜力，其相关色温（CCT）为5389 K， CIE坐标为（0.3345,0.3223），显色指数（CRI）为Ra = 93。将V2O5:0.03Cr3+ NPs加入聚乙烯醇（PVA）基质中，在UV-365 nm紫外光下显示出强大的红色发光，突出了其在交流应用中的有效性。此外，这些NPs在UV-365 nm照明下具有优异的选择性和高对比度，能够清晰地显示I-III级指纹特征。指纹（FPs）识别和分析采用YOLOv8x软件进行自动化和细化。此外，V2O5:0.03Cr3+ NPs通过减轻过氧亚硝酸盐对蛋白质、脂质和内皮结构的氧化损伤显示出显著的生物学潜力，强调了它们在治疗慢性内皮功能障碍方面的应用。

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来源期刊

Ceramics International 工程技术-材料科学：硅酸盐

CiteScore

9.40

自引率

15.40%

发文量

4558

审稿时长

25 days

期刊介绍： Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.