What is Cs0.33WO3?
Cesium Tungsten Bronze (Cs0.33WO3)
Cesium tungsten bronze (Cs0.33WO3) is screened as a static transparent NIR absorber for solar-control coatings and window-film formulations when electrical conductivity is not the main requirement; qualify the grade in the final film.
Technical owner: Aurexene Materials Engineering Team · Last updated: 2026-07-26
Cs₀.₃₃WO₃CTOcesium tungsten bronzecesium-doped tungsten bronzecesium tungsten oxideCWOtransparent NIR absorbersolar-control coating additivewindow-film NIR absorber
Bukan apa
- Cs0.33WO3 is a cesium tungsten bronze, not tungsten trioxide and not a transparent conductive oxide equivalent to ATO.
- Cs0.33WO3 provides static solar-control absorption; it is not a thermochromic or electrochromic switching layer.
When Not to Use It
- Do not use Cs0.33WO3 when transparent electrical conductivity is the primary function or when blue tint, haze, photothermal heating, or tungsten-bronze chemistry is unacceptable.
Intrinsic Screening Summary
- Identity screen
- Cs0.33WO3; Cesium tungsten bronze oxide particles; grade-specific particle size and agglomerate state require validation.
- Intrinsic feature
- In cesium tungsten bronze, near-infrared absorption is commonly attributed to combined free-carrier localized surface plasmon resonance and polaronic absorption. Their relative contributions depend on composition, defects, particle morphology, and wavelength; this generic mechanism does not establish grade-level spectral performance.
Kesesuaian aplikasi
| Aplikasi | Kesesuaian | Kondisi | Batasan |
|---|---|---|---|
| Pelapis pelindung NIR untuk kontrol panas transparan | SESUAI | Use as a transparent solar-control and window-film coating route where near-infrared absorption is required. | Final-film visible transmission, haze, tint, and durability remain application-level qualification gates. |
| Sistem fototermal dan elektrotermal | BERSYARAT | Use conditionally when an external near-infrared source is the heating trigger. | Validate heating rate, temperature uniformity, hot spots, optical appearance, cycling durability, and substrate damage risk in the final system. |
Identitas material dan status spesifikasi
Nilai CAS/identitas yang disetujui belum dipublikasikan; konfirmasikan saat penawaran atau peninjauan sampel.
| Sifat | Nilai |
|---|---|
| Komposisi | Cs0.33WO3 |
| Ukuran partikel | Grade-specific particle-size and agglomerate data are not approved for public publication; request the current grade document and lot evidence. |
| Morfologi | Cesium tungsten bronze oxide particles; grade-specific particle size and agglomerate state require validation. |
| Densitas | Grade-specific true density is confirmed during quotation or sample qualification. |
| Kemurnian | Grade-specific purity and analytical basis are not approved for public publication; request the current grade document and lot COA. |
| Kemasan | Grade-specific packaging is not approved for public publication; confirm the supplied form and package during quotation. |
| Penyimpanan | Simpan dalam wadah kering dan tertutup; lindungi dari kelembapan dan kontaminasi sebelum uji dispersi. |
Why It Works
| Struktur | Fungsi | Mekanisme |
|---|---|---|
| Cesium tungsten bronze (generic CsxWO3 literature context). | Intrinsic explanation for generic near-infrared absorption. | In cesium tungsten bronze, near-infrared absorption is commonly attributed to combined free-carrier localized surface plasmon resonance and polaronic absorption. Their relative contributions depend on composition, defects, particle morphology, and wavelength; this generic mechanism does not establish grade-level spectral performance. |
Material Evidence
Technical Guides
| Technical Guide | Summary |
|---|---|
| Clear NIR barrier coating based on Cs₀.₃₃WO₃ (cesium tungsten bronze) | A formulation and qualification framework for Cesium Tungsten Bronze (Cs0.33WO3) dispersions in transparent NIR-control coatings, with emphasis on aggregate control, optical balance, binder compatibility, and durability. |
| Menyeimbangkan ketebalan film, transmitansi cahaya tampak, modulasi surya, warna, dan daya tahan | Menyeimbangkan ketebalan film, transmitansi cahaya tampak, modulasi surya, warna, dan daya tahan — panduan rekayasa berbasis metode untuk Kaca pintar yang membahas perilaku struktur–fungsi pada batas material, antarmuka, dan sistem akhir, beserta batas proses, validasi, dan kualifikasi. |
| Melaporkan Metrik Cahaya dan Matahari Tanpa Membingungkan Performa Statis dan Peralihan | Melaporkan Metrik Cahaya dan Matahari Tanpa Membingungkan Performa Statis dan Peralihan — panduan rekayasa berbasis metode untuk Kaca pintar yang membahas perilaku struktur–fungsi pada batas material, antarmuka, dan sistem akhir, beserta batas proses, validasi, dan kualifikasi. |
| Strategi Pembasahan dan Dispersan untuk Partikel ATO, Timah Oksida, Perunggu Tungsten, Vanadate, dan Nitrida | Antimony Tin Oxide (ATO), tin oxide, tungsten bronze, vanadate, oxynitride, and nitride surfaces must be screened in the actual carrier and binder; material-family names do not determine wetting, dispersant adsorption, or stability by themselves. |
Dokumen dan permintaan
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Lembar data teknis
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Lembar data keselamatan
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Grade, Sample & Qualification Support
The Aurexene Materials Engineering Team can review the required form, host system, formulation or process, target, sample quantity, volume and timeline, and the grade-specific evidence needed before qualification.
Review Kemampuan laboratorium for sample evaluation and qualification support, or Kemampuan produksi for scale-up, quality, documentation, and supply support.
Request Cs0.33WO3 Sample / Qualification Review