​Technology News

The photovoltaic (PV) industry has emerged as a cornerstone of the global transition to renewable energy, driven by technological innovation, policy support, and increasing demand for clean electricity. As countries worldwide strive to meet carbon neutrality goals, the PV industry is undergoing rapid transformation and expansion. This article explores the key trends, regional strategies, and future directions shaping the global layout of the PV industry.

Perovskite solar technology is poised to transform the global solar industry, offering unprecedented advantages in efficiency, cost, and scalability. As the world shifts toward renewable energy, perovskite-based solutions are emerging as a game-changer for businesses seeking high-performance, affordable solar products.

Compared with mature crystalline silicon photovoltaic production lines, establishing a perovskite production line is significantly more complex and challenging. While crystalline silicon module manufacturing relies primarily on physical processes, perovskite production involves intricate chemical formulations and highly customized equipment, posing unique hurdles for industrialization.

The preparation of perovskite materials is a critical step in achieving high-efficiency perovskite solar cells. At the molecular scale, PbI₂ and CH₃NH₃I can rapidly react through self-assembly to form CH₃NH₃PbI₃. Thus, whether in solid, liquid, or gas phases, thorough mixing of the two raw materials can yield the desired perovskite material. However, for thin-film solar cell light-absorbing layers with thicknesses below 1 μm, the large perovskite crystals produced by solid-phase reaction methods are clearly unsuitable.

The structure of perovskite solar cells is illustrated in the figure below. Its core is a light-absorbing material composed of organometal halides with a perovskite crystal structure (ABX₃) (unit cell structure shown in the attached figure). In this perovskite ABX₃ structure, A is the methylammonium group (CH₃NH₃⁺), B is a metal lead atom, and X is a halogen atom such as chlorine, bromine, or iodine.

Laser etching technology has become indispensable in the precision processing of thin-film materials, particularly in industries such as display manufacturing, photovoltaics, and flexible electronics. Despite its advantages in non-contact processing, digital control, and high precision, several technical challenges persist in the development and application of thin-film laser etching equipment. This article explores these challenges and the innovative solutions driving the industry forward.

With the continuous innovation of MEMS technology, MEMS devices are widely used in consumer electronics, medical equipment, and aerospace applications, offering significant value due to their compact size, high speed, reliability, and low cost. MEMS packaging is a critical step in MEMS device development.

The manufacturing process of perovskite solar cells involves multiple precise steps, with laser technology playing a critical role in enhancing efficiency and stability. The key steps include: Substrate Preparation: Cleaning and pre-treating the substrate (e.g., glass or flexible polymers) to ensure optimal adhesion and conductivity. Electrode Deposition: Depositing transparent conductive oxides (e.g., ITO or FTO) as bottom electrodes.

Laser technology, characterized by its non-contact processing, high precision, and exceptional flexibility, is rapidly replacing traditional mechanical methods across industries. From ultra-fast lasers to novel applications in composite materials and electric vehicles, advancements are driving efficiency and enabling breakthroughs in fields like medical devices and renewable energy.

Perovskite solar cells (PSCs) have achieved a power conversion efficiency (PCE) of up to 26.95% under standard test conditions (STC). The current research focus has shifted from efficiency improvement to scalability and stability enhancement. Based on four years of outdoor data from Berlin, this study reveals significant seasonal performance fluctuations in PSCs: stable performance in summer but a substantial decline in winter (up to 30%).