借助这些独特技术，团队突破了钙钛矿光伏器件效率瓶颈，不仅将小面积电池效率提升至25.19%，更 实现了器件的工作稳定性。 论文共同通讯作者、中国科学院院士黄维认为，这项成果不仅刷新了全真空热蒸发技术的世界纪录，也 为未来进一步优化工艺、提升器件性能、规模化制造面积更大且高效、稳定、环境友好的钙钛矿光伏器 件提供了科学基础。 （文章来源：科技日报） 在均匀成膜的基础上提高光电转换效率，成为团队需要攻克的又一难题。论文共同通讯作者、南京工业 大学教授陈永华说，团队创新性地采用了反向逐层沉积策略。 "传统做法可能是先铺金属卤化物的'砖块'，再浇甲脒氢碘酸盐的'水泥'；我们反其道而行之，先沉 积'水泥'，再沉积'砖块'。"陈永华说，这一顺序结合一种自组装分子，可以在后续退火时，极大促进固 态原料之间的相互反应和扩散，最终"生长"出高质量的钙钛矿晶体薄膜。 记者11月2日从南京工业大学获悉，该校科研团队采用全真空热蒸发技术，制备出0.066平方厘米的钙钛 矿光伏器件。该器件光电转换效率高达25.19%，且在持续工作超过1000小时后，性能依然保持在95%以 上。此方法制备的1平方厘米钙钛矿光伏器件，效率也达到23.38 ...

Core Insights - The research team at Changchun Institute of Applied Chemistry has made significant advancements in the design of self-assembled organic molecules for use in perovskite solar cells, leading to improved efficiency and stability [1][4] Group 1: Research Developments - The innovative dual-radical self-assembly molecular design strategy enhances charge transport capabilities and stability, achieving a spin strength nearly three orders of magnitude higher than traditional self-assembled molecules [2] - The new molecules exhibit a carrier transport rate over twice that of conventional materials, demonstrating high stability under simulated working conditions [3] Group 2: Performance Metrics - Small-area devices utilizing the new materials achieved a power conversion efficiency of 26.3%, while micro-modules reached 23.6% efficiency, with significantly reduced efficiency decay upon scaling [3] - The combination of new materials with silicon solar cells resulted in a perovskite-silicon tandem device efficiency of 34.2%, certified by the U.S. National Renewable Energy Laboratory [3] Group 3: Industry Implications - This research provides a new molecular design paradigm to address conductivity, stability, and large-area processing challenges in perovskite solar cells, potentially driving the commercialization of next-generation high-efficiency solar modules [4]

Investment Rating - The report maintains a "Buy" rating for BOE Technology Group Co., Ltd. (京东方 A) [5][7] Core Viewpoints - The company emphasizes that LCD will remain the mainstream display technology in the medium to long term, while the flexible OLED market is rapidly growing. The industry is transitioning from competition based on scale and market share to high-value-driven competition [2] - BOE is advancing its "N Curve" growth strategy, focusing on new business growth areas such as perovskite photovoltaic devices and glass-based packaging, which are expected to support future growth [3] - The company's profitability is expected to improve as it transitions its capital strategy towards value creation, with significant capital expenditures and depreciation peaks anticipated in 2025, leading to a more favorable environment for shareholder returns [4] Financial Projections - Revenue projections for 2025, 2026, and 2027 are estimated at CNY 215.996 billion, CNY 239.566 billion, and CNY 264.058 billion, respectively. Corresponding net profits are projected to be CNY 9.415 billion, CNY 13.410 billion, and CNY 15.513 billion [5][6] - The report indicates a significant recovery in net profit growth rates, with expected year-on-year increases of 76.9% in 2025 and 42.4% in 2026 [6] Financial Metrics - The report provides key financial metrics, including a projected P/E ratio of 15.9 for 2025 and a P/B ratio of 1.0, indicating a favorable valuation relative to earnings and book value [6][7] - The company's return on equity (ROE) is expected to improve from 6.6% in 2025 to 9.6% in 2027, reflecting enhanced profitability [6]

Core Viewpoint - BOE Technology Group is shifting its capital strategy focus from scale expansion to shareholder value creation, with a new development phase expected to enhance profitability and provide sustainable returns to shareholders [1][2]. Group 1: Business Strategy - The company introduced its "Screen-Internet of Things" strategy and highlighted its "N-th Curve" theory, focusing on display technology, glass substrate processing capabilities, and large-scale integrated intelligent manufacturing to create new business growth areas [2]. - BOE has made significant progress in the perovskite photovoltaic sector, establishing the largest pilot line in the industry, marking an important step towards industrialization [2]. - The flexible OLED market is rapidly growing, with technological innovations penetrating IT and automotive sectors, driving the OLED industry forward [1]. Group 2: Financial Outlook - BOE plans to reach a peak in capital expenditure and depreciation by 2025, after which it is expected to enter a phase of improved profitability [1]. - The company has launched its first comprehensive shareholder return plan, committing to a minimum annual cash dividend of 35% of net profit attributable to shareholders and a total of at least 1.5 billion yuan for share buybacks each year [2]. - The chairman emphasized the company's capability and commitment to providing stable and predictable returns to investors as it enters a new development stage [2].