Contribution to a conference proceedings/Contribution to a book

PUBDB-2026-01075

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Effects of Aluminium and Gold Ions on the Spectral Characteristics of TiO$_2$ Nanoparticles Elaborated as Efficient UV-excited Phosphors

Busko, T. (Corresponding author)Extern* ; Chukova, O.Extern*DESY* ; Kotlov, A.DESY* ; Fesych, I.Extern* ; Levchyk, V.Extern* ; Voitenko, T.Extern* ; Hizhnyi, Y.Extern*

2026
New York, NY [u.a.]
ISBN: 979-8-3315-8213-5

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Please use a persistent id in citations: doi:10.1109/ELNANO63396.2026.11601308

Abstract: The modification of titanium dioxide (TiO$_2$) nanoparticles with metal and non-metal ions represents an effective strategy for tailoring their optical response and improving UV-excited luminescence performance. In this study, Al- and Au-doped TiO$_2$ nanoparticles were synthesized via a sol–gel route and systematically characterized to evaluate the influence of dopant type on their structural and spectral properties. X-ray diffraction and IR analyses confirmed the formation of nanocrystalline TiO$_2$ with anatase phase dominance and homogeneous dopant distribution. UV–Vis absorption spectra revealed a noticeable redshift in the absorption edge for Al- and Au-doped samples. Photoluminescence measurements demonstrated additional bands of defect-related emission in both doped systems that means reduced photocatalytic activity of the doped TiO$_2$, which is very important issue for its possible medical and cosmetic applications.

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Contributing Institute(s):

1. DOOR-User (DOOR ; HAS-User)
2. Experimentebetreuung PETRA III (FS-PET-S)

Research Program(s):

1. 632 - Materials – Quantum, Complex and Functional Materials (POF4-632) (POF4-632)
2. 6G3 - PETRA III (DESY) (POF4-6G3) (POF4-6G3)
3. APPROACH - Advanced Photonic PRocesses for novel sOlar energy hArvesting teCHnologies (101120397) (101120397)
4. FS-Proposal: I-20231217 EC (I-20231217-EC) (I-20231217-EC)

Experiment(s):

1. PETRA Beamline P66 (PETRA III)

Appears in the scientific report 2026

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