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High-purity quartz in the photovoltaic field
Release time:
2024-09-30
In the photovoltaic sector, quartz crucibles are used to contain molten silicon and produce ingots required for subsequent processing steps. They are an indispensable supporting material in the PV industry and a critical consumable that underpins silicon‑material production. In recent years, China’s photovoltaic industry has experienced rapid growth, undergoing a period of swift transformation. Consumption of photovoltaic wafers has surged, driving a corresponding sharp increase in demand for quartz crucibles—particularly as the share of monocrystalline silicon continues to rise and photovoltaic modules transition from P‑type to N‑type technologies. This shift places heightened demands on crucible dimensions, purity, crystal‑pulling duration, and the number of pull cycles. Consequently, large‑size, high‑purity, long‑life, multi‑cycle, ultra‑pure quartz crucibles are poised to become the future direction of technological advancement.
In the photovoltaic sector, quartz crucibles are used to contain molten silicon and produce ingots required for subsequent processing steps. They are an indispensable supporting material in the PV industry and a critical consumable that underpins silicon‑material production. In recent years, China’s photovoltaic industry has experienced rapid growth, undergoing a period of swift transformation. Consumption of silicon wafers has surged, driving a corresponding sharp increase in demand for quartz crucibles—particularly as the share of monocrystalline silicon rises rapidly and photovoltaic modules transition from P‑type to N‑type technologies. These trends have raised stringent requirements for crucible dimensions, purity, crystal‑pulling duration, and the number of pulling cycles. Consequently, large‑size, high‑purity, long‑life, multi‑cycle, ultra‑pure quartz crucibles are poised to become the future direction of technological advancement.
In the fiber-optic industry, quartz optical fibers offer advantages such as longer transmission distances, higher data rates, lower signal attenuation, and immunity to electromagnetic interference. Consequently, high-purity quartz glass is a critical material in fiber manufacturing, primarily used in the production of preforms and during the fiber-drawing process. The optical fiber preform serves as the foundational rod‑like material that determines the fiber’s performance characteristics. Hydroxyl groups within the quartz can diffuse into the core layer, leading to excessive attenuation; meanwhile, transition-metal ions can introduce microscopic inhomogeneities, increasing fiber loss and, in severe cases, causing signal distortion.
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