Localised Al(OH)3 Quantum Dot Passivation for Safe-by-Design Rutile TiO2 Nanomaterials for UV Protection

Bulathsinhalage Nuwangi Pramuditha Nuwangi Pramuditha Cooray; Rajib Das; Philip Barker; Michael Lerch; Konstantin Konstantinov

doi:10.1039/d6tb00995f

January 1, 2026Journal of Materials Chemistry B

Localised Al(OH)3 Quantum Dot Passivation for Safe-by-Design Rutile TiO2 Nanomaterials for UV Protection

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Key Points

The study aims to enhance the safety and photostability of titanium dioxide by using quantum dot passivation.
Utilized localized Al(OH)3 quantum dots for passivation of rutile TiO2.
Assessed photocatalytic activity and UV-filtering efficacy.
Conducted experiments under simulated cosmetic application conditions.
Significant reduction in photocatalytic activity was observed with the quantum dot passivation.
Enhanced stability of TiO2 nanomaterials under UV exposure.
Demonstrated improved safety profile for cosmetic applications.

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Implication

Evaluates quantum dot passivation on TiO2 for safety in cosmetics, suggesting enhanced UV protection.

Abstract

Titanium dioxide (TiO2) is a cornerstone UV-filtering material, yet its intrinsic photocatalytic activity continues to raise concerns regarding safety and photostability in cosmetic applications. Here, we introduce a quantum-dot (QD)...

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Cite This Study

Cooray et al. (2026) studied this question.

synapsesocial.com/papers/6a1bd0df5783ba022b6fc820 https://doi.org/10.1039/d6tb00995f

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Localised Al(OH)3 Quantum Dot Passivation for Safe-by-Design Rutile TiO2 Nanomaterials for UV Protection

Key Points

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Implication

Abstract

Discussion

Cite This Study

Localised Al(OH)3 Quantum Dot Passivation for Safe-by-Design Rutile TiO2 Nanomaterials for UV Protection

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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