新型半导体光伏研发实现新突破

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]