UV protection from cotton fabrics finished with boron and nitrogen co-doped carbon dots

Zuo, Dunwen; Liang, Na; Xu, Jing; Chen, Dongzhi; Zhang, Hongwei

doi:10.1007/s10570-019-02365-5

Cited by 33 publications

(16 citation statements)

References 29 publications

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“…5 The UV-visible spectrum of the CDs suspension shows (Figure 2E) two typical absorption bands due to the CDs. The narrow peak observed at 253 nm can be assigned to the π-π transition of the C C group 4,5,10 The broad shoulder peak at 323 nm can be ascribed to the n-π* transition of the carbonyl group (C O) on CDs' surface, 3,5,10 which was also indicated by 13 C NMR ( Figure 2B).…”

Section: Optical Properties Cdsmentioning

confidence: 78%

“…5 The chemical structure of CDs was also investigated by NMR. As shown in Figure 2B, well-resolved resonance signals corresponding to aliphatic sp 3 hybridized carbon are observed between 16.2 and 72.9. 8 Among them, signals arising from C C and C N carbons due to the presence of amino acids residues β-alanine, 21 α-glycine, Figure 2C presents NF-Ys' FTIR spectra.…”

Section: Chemical Structuresmentioning

confidence: 84%

“…Others suggest its use as inks as an anti‐counterfeit strategy. 2 Zuo et al 3 investigated the feasibility of UV‐protective cotton fabric by using nitrogen and boron co‐doped CDs.…”

Section: Introductionmentioning

confidence: 99%

“…1 Others argue that CD fluorescence emission depends on surface defect states rather than interband transitions. 3 On the other hand, PL is attributed to the presence of several functional groups on the CDs' surface. 8 Other factors include quantum confinement, emissive traps, and radiative recombination of excitons of carbon.…”

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confidence: 99%

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Biocompatible and fluorescent polycaprolactone/silk electrospun nanofiber yarns loaded with carbon quantum dots for biotextiles

Cotrim

Oréfice

2020

Polymers for Advanced Techs

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Carbon quantum dots (CDs) are attractive nanoparticles for several applications, due to inherent properties such as excitation dependent photoluminescence emission and chemical stability. In the present work, we synthesized CDs from silk (Bombyx Mori) by a microwave-assisted method. The resultant spherical nanoparticles with high fluorescence under UV light were incorporated into PCL/silk matrix and electrospun into continuous nanofiber yarns (NF-Ys) by a one-step method. Besides granting yarns fluorescence, CD inclusion contributed to a decrease in fiber diameter and an increase in strength by 2.7-fold. Cell viability studies with mammalian lung cell lines show viability above 80%, suggesting good biocompatibilty. Such yarns show the potential to be assembled into larger structures such as biotextiles, with possible multifunctionalities such as antiviral, antibacterial, and biosensing applications.

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Section: Optical Properties Cdsmentioning

confidence: 78%

Section: Chemical Structuresmentioning

confidence: 84%

“…Others suggest its use as inks as an anti‐counterfeit strategy. 2 Zuo et al 3 investigated the feasibility of UV‐protective cotton fabric by using nitrogen and boron co‐doped CDs.…”

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Biocompatible and fluorescent polycaprolactone/silk electrospun nanofiber yarns loaded with carbon quantum dots for biotextiles

Cotrim

Oréfice

2020

Polymers for Advanced Techs

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“…Ultraviolet (UV) light reaches the surface of the Earth after passing through the stratospheric ozone layer [ 1–3 ] causing the degradation and aging of organic materials, especially polymer materials including films and fibres. Furthermore, degradation and aging result in deterioration of mechanical properties and the optical properties.…”

Section: Introductionmentioning

confidence: 99%

Organic Eu3+-complex-anchored porous diatomite channels enable UV protection and down conversion in hybrid material

Zhao

et al. 2020

Science and Technology of Advanced Materials

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The organic Eu 3+ -complex [Eu(TTA) 3 Phen] has been incorporated into the channels of surface-modified frustules from diatoms as a key material to absorb and convert UV-photons to visible luminescence. Systematic investigation results indicate that the organic Eu 3+ -complex encapsulated in the functionalized diatomite channels exhibits enhanced luminescence and longer lifetime, owning to the Eu(TTA) 3 Phen complex interacting with its surrounding silylating agents. The organic Eu 3+ -complex-anchored porous diatomite hybrid luminescent material was compounded with polyethylene terephthalate (PET) by using a mini-twin screw extruder to prepare a self-supporting film of the hybrid material. Besides, the UV absorption properties of the composite films were investigated. These films will potentially be related to the UV protection of photovoltaic devices.

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Synthetic and Natural UV Protective Agents for Textile Finishing

Sankaran

Kamboj

Samant

et al. 2021

Innovative and Emerging Technologies for Textile Dyeing and Finishing

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UV protection from cotton fabrics finished with boron and nitrogen co-doped carbon dots

Cited by 33 publications

References 29 publications

Biocompatible and fluorescent polycaprolactone/silk electrospun nanofiber yarns loaded with carbon quantum dots for biotextiles

Biocompatible and fluorescent polycaprolactone/silk electrospun nanofiber yarns loaded with carbon quantum dots for biotextiles

Organic Eu3+-complex-anchored porous diatomite channels enable UV protection and down conversion in hybrid material

Synthetic and Natural UV Protective Agents for Textile Finishing

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