Core Insights - The research teams from Nanjing University and the National Defense Science and Technology Innovation Research Institute have made significant advancements in next-generation photovoltaic technology, achieving a breakthrough in the efficiency of all-perovskite tandem solar cells, which now exceeds 30% [1][5] Group 1: Technological Advancements - The newly developed all-perovskite tandem solar cells have achieved a power conversion efficiency of 30.1%, marking the first time this type of solar cell has surpassed the 30% efficiency threshold [5] - The research utilized terahertz technology to enable precise, non-destructive detection of carrier transport within the perovskite solar cells, addressing previous challenges in enhancing efficiency [3][5] Group 2: Research Methodology - The terahertz radiation detection technique developed by the research teams allows for the specific detection of free carrier concentration in perovskite materials without interference from band-to-band transitions [3] - The study identified that the interface between the perovskite light-absorbing layer and the hole transport layer is a significant area for carrier loss, leading to the design of a dipole passivation layer to enhance carrier movement [3][5] Group 3: Experimental Results - The passivation treatment resulted in an increase of over 68% in total carrier mobility and an extension of nearly 30% in carrier diffusion length for the perovskite films [3] - The findings highlight the unique advantages of terahertz spectroscopy in revealing intrinsic physical properties of carriers, providing a new technical pathway for designing efficient materials in the future [5]

Core Insights - The renewable energy sector experienced a collective surge in the afternoon, with the China Securities Photovoltaic Industry Index rising by 3.4%, the National Securities New Energy Battery Index increasing by 1.3%, and the China Securities New Energy Index up by 1.1% [1] - A significant breakthrough in photovoltaic technology was reported, with a team from Nanjing University and related research institutes achieving a record light-to-electricity conversion efficiency of 30.1% for all-perovskite tandem solar cells, marking a milestone for the next generation of efficient photovoltaic technology [1] Market Performance - The China Securities Photovoltaic Industry Index rose by 3.4% [5] - The National Securities New Energy Battery Index increased by 1.3% [1] - The China Securities New Energy Index saw a rise of 1.1% [1] - The China Securities Shanghai Carbon Neutrality Index experienced a slight increase of 0.1% [1] - The Energy Storage Battery ETF (159566) recorded nearly 10 million net subscriptions throughout the day [1] Technological Advancements - The research published in the prestigious journal "Nature" signifies a foundational advancement for the industrialization of high-efficiency photovoltaic technology [1] - The breakthrough is expected to accelerate the technological iteration and cost reduction in the photovoltaic industry [1]

Core Insights - The A-share market saw a collective opening of its three major indices on November 3, with the ChiNext New Energy ETF (Hua Xia, 159368) experiencing a decline of 1.93% after an initial surge [1] - A significant breakthrough in photovoltaic technology was reported, with a research team from Nanjing University achieving a power conversion efficiency of 30.1% for all-perovskite tandem solar cells, marking a milestone for the industry [1] - The photovoltaic industry is expected to undergo a transformation towards high-quality development, supported by government policies and market dynamics [1] Industry Summary - The ChiNext New Energy ETF (Hua Xia, 159368) is the largest ETF tracking the ChiNext New Energy Index, which includes sectors such as batteries and photovoltaics [2] - The ETF has the highest elasticity, with a potential increase of up to 20%, and the lowest fee rate at a combined management and custody fee of only 0.2% [2] - As of October 16, 2025, the ETF's scale reached 1.085 billion, with an average daily trading volume of 85.76 million over the past month [2] - The ETF's composition includes 51% energy storage and 30% solid-state batteries, aligning with current market trends [2]

Core Insights - China's next-generation photovoltaic technology has made significant progress with the development of a perovskite tandem solar cell achieving a power conversion efficiency of over 30%, as published in the prestigious journal Nature on October 28 [1][2] Group 1: Technological Advancements - The research teams from Nanjing University and the National Defense Science and Technology Innovation Research Institute utilized terahertz technology for precise, non-destructive detection of carrier transport behavior in perovskite solar cells [1] - The newly developed perovskite tandem solar cell has achieved a power conversion efficiency of 30.1%, marking the first time this efficiency threshold has been surpassed for such cells [2] Group 2: Research Findings - The study identified that the interface between the perovskite light-absorbing layer and the hole transport layer is a significant area for carrier loss [1] - A dipole passivation layer was designed to facilitate carrier movement from the perovskite layer to the hole transport layer, effectively reducing losses [1] Group 3: Performance Metrics - Experimental data showed that the carrier mobility of the passivated perovskite films increased by over 68%, and the carrier diffusion length extended by nearly 30% [2] - The new perovskite tandem solar cell has been certified by an international third-party organization and is now included in the International Solar Cell Efficiency Table [2]

Core Insights - The research teams from Nanjing University and the National Defense Science and Technology Innovation Research Institute have achieved a breakthrough in perovskite solar cell technology, with a power conversion efficiency exceeding 30%, as published in the prestigious journal Nature on October 28 [1][5]. Group 1: Technological Advancements - The newly developed non-contact, non-destructive terahertz radiation detection technology effectively addresses the challenges in accurately detecting and controlling charge carriers in perovskite materials [3]. - The terahertz photons possess sub-bandgap energy characteristics, allowing for specific detection of free carrier concentration in perovskite without causing interband transition interference [3]. - The research identified that the interface between the perovskite light-absorbing layer and the hole transport layer is a significant area of carrier loss, leading to the design of a dipole passivation layer to enhance carrier movement [3]. Group 2: Performance Metrics - The newly developed perovskite solar cells, utilizing the passivation treatment technology, achieved a power conversion efficiency of 30.1%, marking the first time this efficiency threshold has been surpassed for such cells [5]. - Experimental data indicated that the passivated perovskite films exhibited over a 68% increase in total carrier mobility and nearly a 30% extension in carrier diffusion length [3][5]. Group 3: Future Implications - The research highlights the unique advantages of terahertz spectroscopy in revealing intrinsic physical properties of charge carriers, providing a new technical pathway for designing efficient materials in the future [5].

Group 1: Green Economy and Sustainable Development - The Ministry of Commerce announced the establishment of a comprehensive cooperation framework under the China-ASEAN Free Trade Area 3.0, defining key areas such as green economy, renewable energy, and sustainable finance [2] - Eight priority cooperation areas were established, including green trade, green investment, circular economy, and sustainable energy, aimed at promoting mutual development between environment and trade [2] Group 2: Renewable Energy Projects - The world's highest pumped storage power station, located in Jiangsu, has commenced full operation, with a total installed capacity of 1.35 million kilowatts and an estimated annual power generation of 1.35 billion kilowatt-hours [4] - The first synchronized river diversion of two large hydropower stations in the Yalong River Basin marks a significant milestone in hydropower development, enhancing overall efficiency [3] Group 3: Technological Advancements in Energy - A breakthrough in the industrial preparation of key materials for controlled nuclear fusion has been achieved, which is crucial for the development of clean energy [4] - The efficiency of all-perovskite tandem solar cells has surpassed 30%, showcasing advancements in next-generation photovoltaic technology [5] Group 4: International Energy Developments - Google announced plans to restart a nuclear power plant in Iowa to supply power for its AI infrastructure, indicating a shift in energy sourcing for tech companies [6] - The International Energy Agency reported a significant decline in Russian natural gas exports to Europe, with pipeline gas exports down by 45% [6]

Core Viewpoint - China's next-generation photovoltaic technology has made significant progress with the development of a perovskite tandem solar cell that achieves a power conversion efficiency of over 30%, as published in the prestigious journal "Nature" [1][5]. Group 1: Technological Advancements - The research teams from Nanjing University and the National Defense Science and Technology Innovation Research Institute utilized terahertz technology to accurately and non-destructively detect the carrier transport behavior within perovskite solar cells [1][3]. - The newly developed non-contact terahertz radiation detection technique effectively addresses the long-standing challenge of improving the power conversion efficiency of perovskite solar cells by allowing precise detection of free carrier concentration without interference from band-to-band transitions [3][5]. Group 2: Experimental Findings - The study identified that the interface between the perovskite light-absorbing layer and the hole transport layer is a significant area for carrier loss. To mitigate this, the researchers designed a dipole passivation layer that facilitates carrier movement towards the hole transport layer [3][5]. - Experimental results indicated that the passivated perovskite films exhibited an increase in total carrier mobility by over 68% and an extension of carrier diffusion length by nearly 30% [3]. Group 3: Recognition and Future Implications - The new perovskite tandem solar cell, certified by an international third-party organization, has achieved a power conversion efficiency of 30.1%, marking the first time this type of cell has surpassed the 30% efficiency threshold, and it has been included in the international "Solar Cell Efficiency Table" [5]. - The research highlights the unique advantages of terahertz spectroscopy in revealing intrinsic physical properties of carriers, providing a new technical pathway for the design of efficient materials in the future [5].

Core Insights - China's wind and solar power installed capacity reached 1.482 billion kilowatts in the first quarter of this year, surpassing thermal power for the first time, marking a significant milestone in the country's energy structure adjustment [1] - The transformation of the wind and solar industry reflects China's commitment to advancing its energy revolution, focusing on building a clean, low-carbon, safe, and efficient energy system [1][2] - Innovation is key to unlocking energy transformation, with China achieving numerous world records in wind and solar technology, including the largest offshore wind turbine and the highest wind turbine tower [2] - China is actively participating in global green energy projects, collaborating with over 100 countries to promote sustainable development and clean energy technology [3] Group 1 - The installed capacity of wind and solar power in China has historically surpassed that of thermal power, indicating a deep adjustment in the energy structure [1] - The wind and solar industry's success is a reflection of China's practical actions towards energy revolution and high-quality development [1] - The commitment to innovation has led to breakthroughs in materials, design, and technology within the wind and solar sectors [2] Group 2 - China's efforts in renewable energy are not only focused on domestic development but also aim to benefit the global community, showcasing a commitment to global green transformation [3] - The country has established the largest and most complete renewable energy industrial chain, facilitating the export of solar and wind technology [3] - International recognition of China's leadership in renewable energy highlights its role as a significant contributor to global sustainable development [3]