NIR shielding performance and spectral selectivity of PVB interlayer films loaded with composite fillers derived from CsWO<sub>3</sub> coupled with Au nanorods

Piwnuan, Chanakarn; Wootthikanokkhan, Jatuphorn; Muangphat, Chivarat

doi:10.1039/d3tc01705b

Cited by 2 publications

(2 citation statements)

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“…This decomposition of Au NR into atoms is supported by a previous study [ 37 ], where an Au NR suspension was subjected to solvothermal conditions without any precursors. This resulted in the formation of gold flakes, evidenced by the disappearance of the characteristic absorption peaks of Au NR in UV–Vis/NIR spectroscopy.…”

Section: Resultssupporting

confidence: 70%

“…Due to the complete occupation of available sites within the CsWO3 structure, the excess Au ions underwent recombination, resulting in the formation of independent Au spheres. This decomposition of Au NR into atoms is supported by a previous study [37], where an Au NR suspension was subjected to solvothermal conditions without any precursors. This resulted in the formation of gold flakes, evidenced by the disappearance of the characteristic absorption peaks of Au NR in UV-Vis/NIR spectroscopy.…”

Section: Au Nr @Cswo 3 Nanocomposites Prepared By the Solvothermal Me...supporting

confidence: 71%

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Enhancing NIR Shielding Properties of Au/CsWO3 Composite via Physical Mixing and Solvothermal Processes

Piwnuan,

Muangphat,

Wootthikanokkhan

2024

Materials

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This research aims to enhance the near-infrared (NIR) shielding ability of cesium tungsten bronze (CsWO3) by increasing the spectral absorption in this region through the incorporation of gold nanorods (AuNR). Two approaches were used to prepare the composite materials: physical mixing and solvothermal process. The effects of gold nanorods content on the crystalline size, particle size, shape, and optical properties of the composite were investigated systematically using DLS, TEM, XRD, and UV–Vis spectroscopy techniques, respectively. The physical mixing process synergizes AuNR and CsWO3 into a composite which has better NIR absorption than that of neat AuNR and CsWO3 nanorods. A composite with 10 mol% of AuNR shows the highest NIR absorption ability due to the surface plasmon resonance and energy coupling between Au and CsWO3. With the solvothermal process, the CsWO3 nanorods grow up to 4–7 microns when the AuNR content increases to 0.8 mol% due to the incorporation of the Au atoms. The microsized CsWO3 rods have superior NIR shielding property compared to other conditions, including the AuNR+CsWO3 nanocomposite with 10 mol% of AuNR from the physical mixing process.

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Section: Resultssupporting

confidence: 70%

Section: Au Nr @Cswo 3 Nanocomposites Prepared By the Solvothermal Me...supporting

confidence: 71%

Enhancing NIR Shielding Properties of Au/CsWO3 Composite via Physical Mixing and Solvothermal Processes

Piwnuan,

Muangphat,

Wootthikanokkhan

2024

Materials

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Effects of Lithium bis(trifluoromethanesulfonyl)imide loading on thermal, mechanical and ion conducting properties of specialty interlayer films derived from scrap Polyvinyl butyral

Wootthikanokkhan,

Areerug,

Azarian

et al. 2024

Journal of Plastic Film & Sheeting

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This work investigates the feasibility of using scrap poly(vinyl butyral) (PVB) film derived from laminated glass factories as an ion-conductive interlayer film for producing electrochromic glass. The process uses PVB films made from masterbatches containing 10 to 60 wt% lithium bis(trifluoromethane sulfonyl)imide (LiTFSI). The investigation focused on how LiTFSI loading affected both the PVB masterbatches and the final PVB films. Higher LiTFSI loading correlated with increased ionic conductivity. The best electrochromic devices are obtained when the PVB films are directly prepared from the masterbatch without additional PVB flakes dilution during extrusion. The highest ionic conductivity 2.72 × 10−4 S/cm, is achieved from a masterbatch containing neat PVB and scrap PVB flakes with 60 wt% LiTFSI. Additionally, LiTFSI acted as a plasticizer for PVB, lowering the glass transition temperature and increasing the PVB film percent elongation.

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NIR shielding performance and spectral selectivity of PVB interlayer films loaded with composite fillers derived from CsWO₃ coupled with Au nanorods

Abstract: A novel type of near infrared (NIR) shielding filler was prepared by mixing gold nanorods (AuNR) with the precursors used for solvothermal synthesis of cesium tungstate (CsWO3). The synthesized product...

Cited by 2 publications

References 35 publications

Enhancing NIR Shielding Properties of Au/CsWO3 Composite via Physical Mixing and Solvothermal Processes

Enhancing NIR Shielding Properties of Au/CsWO3 Composite via Physical Mixing and Solvothermal Processes

Effects of Lithium bis(trifluoromethanesulfonyl)imide loading on thermal, mechanical and ion conducting properties of specialty interlayer films derived from scrap Polyvinyl butyral

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NIR shielding performance and spectral selectivity of PVB interlayer films loaded with composite fillers derived from CsWO3 coupled with Au nanorods

Abstract: A novel type of near infrared (NIR) shielding filler was prepared by mixing gold nanorods (AuNR) with the precursors used for solvothermal synthesis of cesium tungstate (CsWO3). The synthesized product...

Cited by 2 publications

References 35 publications

Enhancing NIR Shielding Properties of Au/CsWO3 Composite via Physical Mixing and Solvothermal Processes

Enhancing NIR Shielding Properties of Au/CsWO3 Composite via Physical Mixing and Solvothermal Processes

Effects of Lithium bis(trifluoromethanesulfonyl)imide loading on thermal, mechanical and ion conducting properties of specialty interlayer films derived from scrap Polyvinyl butyral

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NIR shielding performance and spectral selectivity of PVB interlayer films loaded with composite fillers derived from CsWO₃ coupled with Au nanorods