GB/T 39160-2020 in English
VALIDCadmium zinc telluride target for thin-film solar cells
- Issued on:2020-11-19
- Implemented on:2021-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
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《GB/T 39160-2020薄膜太阳能电池用碲锌镉靶材》由TC243(全国有色金属标准化技术委员会)归口,TC243SC2(全国有色金属标准化技术委员会重金属分会)执行,主管部门为中国有色金属工业协会。
Introduction
Analysis of core parameters of the standard
| Technical indicators | Standard requirements | Test methods |
|---|---|---|
| Main component ratio | Cd:Zn:Te=26:15:59±0.5% | YS/T 1227.1 Gravimetric method |
| Total impurity content | ≤10×10-6 | YS/T 838-2012 Appendix A |
| Density | ≥5.45g/cm³ | GB/T 5163 |
Technology Evolution Analysis
This standard establishes for the first time a complete technical system for CdZnTe targets in the field of thin-film photovoltaics:
- Composition control: Clarify the CdZnTe ternary ratio and 0.5% deviation limit
- Morphology specification: Define two standard specifications: flat plate (201×108×20mm) and cylindrical (150×163×135mm)
- Process innovation: Require vacuum packaging and transportation to avoid oxidation of the tellurium element
Implementation suggestions
Application case of a photovoltaic enterprise:
- Require suppliers to provide impurity element distribution map
- Use XRF for rapid component screening before storage
- Perform surface plasma treatment before sputtering (Ra≤1.5μm)
Key points of quality control
| Inspection links | Key indicators | Sampling plan |
|---|---|---|
| Raw materials | Te purity ≥99.999% | 3 portions × 100g per batch |
| Finished products | Density uniformity ≤0.2g/cm³ | 10% and ≥1 item |
Sample only — not a preview of GB/T 39160-2020

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