Novel heterostructured La2Zr2O7:Eu(3+)@YBO3 core@shell nanoparticles (NPs) composed of a trivalent europium doped lanthanum zirconate (La2Zr2O7:Eu(3+)) core and yttrium orthoborate (YBO3) shell are reported in this paper for the first time. X-ray diffraction, Fourier transform infrared spectroscopy, scanning and transmission electron microscopies, and x-ray photoelectron spectroscopy were employed to confirm the formation of the heterostructured core@shell NPs. Luminescent enhancement was observed after the La2Zr2O7:Eu(3+) core NPs were coated with the thin YBO3 shells under 405 nm excitation. Based on optical transition property analysis and fluorescent decay measurement, the reduction of non-radiative transition rate is possibly responsible for the luminescent enhancement. Moreover, an improvement of the symmetry around the Eu(3+) ions in the La2Zr2O7:Eu(3+) core NPs was found after the YBO3 shell coating.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1088/0957-4484/25/2/025703 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Evaluation of nationwide analysis surveillance for methicillin-resistant within Genomic Medicine Sweden.
Microb Genom
January 2025
Department of Laboratory Medicine, Clinical Microbiology, Faculty of Medicine and Health, rebro University, rebro, Sweden.
National epidemiological investigations of microbial infections greatly benefit from the increased information gained by whole-genome sequencing (WGS) in combination with standardized approaches for data sharing and analysis. To evaluate the quality and accuracy of WGS data generated by different laboratories but analysed by joint pipelines to reach a national surveillance approach. A national methicillin-resistant (MRSA) collection of 20 strains was distributed to nine participating laboratories that performed in-house procedures for WGS.
View Article and Find Full Text PDFGlobal trends in surgically based treatment of anal fistula in Crohn's disease: a bibliometric and visualization analysis.
Int J Surg
January 2025
Department of Anorectal Surgery, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
Background: Crohn's disease (CD) is a chronic, recurrent gastrointestinal disorder characterized by a complex etiology. Among its perianal complications, anal fistulas represent a challenging comorbidity. With the increase of surgical options, a comprehensive bibliometric analysis was deemed necessary to consolidate the vast array of research in this field.
View Article and Find Full Text PDFExploring the landscape of exosomes in heart failure: a bibliometric analysis.
Int J Surg
January 2025
Department of Colorectal Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
Background: Exosomes, which carry bioactive RNAs, proteins, lipids, and metabolites, have emerged as novel diagnostic markers and therapeutic agents for heart failure (HF). This study aims to elucidate the trends, key contributors, and research hotspots of exosomes in HF.
Methods: We collected publications related to exosomes in HF from the Web of Science Core Collection.
Exploring Surface State and Exciplex Dominated Aggregation Induced Electrochemiluminescence of Graphene Quantum Dots Prepared Via Electrochemical Exfoliation.
Chemphyschem
January 2025
Western University, Chemistry, 1151 Richmond St, N6A5B7, London, CANADA.
Graphene quantum dots (GQDs) have emerged as promising materials for electrochemiluminescence (ECL) applications due to their unique optical and electronic properties. In this study, GQDs were synthesized via electrochemical exfoliation of graphite in a constant current density mode, enabling scalable production with controlled size and surface functionalization. GQDs-4 and GQDs-20, synthesized at applied current densities of 4 mA/cm2 and 20 mA/cm2 to the graphite electrode, respectively, were investigated on roles of surface states and exciplex dominated aggregation-induced emission (AIE) in their ECL performance.
View Article and Find Full Text PDFThe Johns Hopkins Hope at Hopkins Clinic: supporting the comprehensive needs of individuals with metastatic breast cancer.
Breast Cancer Res Treat
January 2025
Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, MD, USA.
Purpose: Individuals with metastatic breast cancer (MBC) may live with their disease for many years. We initiated the Johns Hopkins Hope at Hopkins Clinic to assess the needs and optimize the care of these patients.
Patients And Methods: Patients with MBC who agreed to participate in the Clinic in addition to usual care completed patient-reported outcome (PRO) surveys.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!