As global energy transformation accelerates, Building Integrated Photovoltaics (BIPV), a core element of green architecture, is evolving from a technical solution into a strategic pillar of the energy revolution. However, high-reflectance glare from traditional PV curtain walls remains a major industry pain point. According to research by the Ministry of Housing and Urban-Rural Development, 73% of PV curtain wall projects in China have received complaints due to glare. Conventional silicon-based panels exhibit surface reflectivity of 25%-35%, generating illuminance of up to 100,000 lux at a 15-meter distance at noon—equivalent to three times the intensity of staring directly into car high beams—severely hindering the large-scale adoption of BIPV.

Cadmium Telluride (CdTe) solar glass offers a revolutionary solution to this challenge with its innovative technology:

01 | Diffuse Surface Structure:
Using a micro-textured surface treatment, it reduces visible light reflectivity from 25%-35% (conventional panels) to 8%-12%, significantly minimizing specular reflection and suppressing glare at the source.

02 | Broad-Spectral Response:
Maintains a module efficiency of 18.6% even under low-light conditions, eliminating the need for excessive tilt adjustments aimed solely at power output and greatly reducing the risk of high-intensity reflection.

03 | Inherent Low-Reflection Properties:
With an absorption coefficient of ~10⁵ cm⁻¹, it inherently reduces ineffective reflection. Combined with tunable transparency between 8% and 90%, it perfectly balances architectural aesthetics and functional performance.

Additionally, CdTe solar glass achieves a weak-light response efficiency of 19.5% and passes the ASTM E2141 impact resistance test, ensuring both safety and power generation performance. Its visible light reflectivity of just 6.8%-8.2% has sparked in-depth research in building physics and optical engineering, opening new pathways for glare control in curtain wall applications.

As the most promising engineering solution in photovoltaic building materials, cadmium telluride (CdTe) solar glass is being adopted at an accelerating pace. Zhonghui Jianrun (Chongqing) Technology Co., Ltd., adhering to its mission of “being a leading player in China’s BIPV sector,” delivers practical engineering value from material advantages through its integrated solution spanning design, construction, and maintenance. Its innovative practices demonstrate that, through systematic optical parameter optimization and customized construction planning, BIPV curtain walls can reduce optical interference risks by over 65%, while achieving over 40% energy self-sufficiency for buildings.

Looking ahead, with continued breakthroughs in R&D and standard systems, cadmium telluride (CdTe) solar glass will become deeply integrated into smart city development, injecting new momentum into the high-quality growth of green buildings. This technological pathway not only supports China’s “dual-carbon” goals but also offers a scientifically sound and economically viable blueprint for “zero-carbon cities” through a full life-cycle service model.