Nano Energy最新文献_第2页

Band tilt with enhanced charge separation induced by Nb-doped piezoelectric to boost photocatalysis

IF 16.8 1区材料科学

Nano Energy Pub Date : 2025-03-31 DOI: 10.1016/j.nanoen.2025.110929

Weiguang Han , Xiaodong Zhang , Hui Li , Yang Fu , Boxiong Shen , Sheng-Qi Guo , Tianyi Ma

{"title":"Band tilt with enhanced charge separation induced by Nb-doped piezoelectric to boost photocatalysis","authors":"Weiguang Han , Xiaodong Zhang , Hui Li , Yang Fu , Boxiong Shen , Sheng-Qi Guo , Tianyi Ma","doi":"10.1016/j.nanoen.2025.110929","DOIUrl":"10.1016/j.nanoen.2025.110929","url":null,"abstract":"<div><div>Activating the inherent piezoelectric effect of materials as an auxiliary driving force for photocatalytic performance is considered a reliable approach for developing a new generation of efficient photocatalytic systems, but research on modification strategies for optimizing piezoelectric performance is still in its infancy. In this work, we developed Nb-doped NaNbO<sub>3</sub> (N-NNO-4) piezoelectric based on self-doping strategy. Under the combined action of ultrasonic vibration and solar light irradiation, N-NNO-4 can generate high concentrations of hydroxyl radicals (•OH) in water environment, thereby achieving excellent oxidation performance. N-NNO-4 exhibits excellent piezo-photocatalytic performance in water pollution control applications. The reaction kinetic coefficients of its use as a piezo-photocatalyst for purifying common plasticizers dimethyl phthalate are 8.5 times and 6.8 times those of its use as a photocatalyst and piezocatalyst, respectively, and 17 times that of undoped NaNbO<sub>3</sub> (NNO) piezo-photocatalyst. Mechanism analysis shows that the excellent piezo-photocatalytic performance is not only attributable to the efficient charge separation efficiency induced by Nb-doped and the improved charge transfer ability, but also originate from the synergistic effect of band tilt caused by piezoelectric effect and efficient activation of interface H<sub>2</sub>O caused by Nb-doped. The synergistic effect opens up new channels for •OH generation and significantly intensifies the formation of •OH. The present study explores the feasibility of constructing an efficient piezoelectric photocatalytic system based on self-doping strategy, providing theoretical reference and experimental basis for utilizing green energy in nature to achieve sustainable environmental protection and development.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"139 ","pages":"Article 110929"},"PeriodicalIF":16.8,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143745250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Exploring the chemical adhesive effect of tin foil to double the lifetime of the solid-state lithium battery

IF 17.6 1区材料科学

Nano Energy Pub Date : 2025-03-31 DOI: 10.1016/j.nanoen.2025.110938

Qiqi Zhou, Cong Zhong, Shiqi Wang, Pengfei Jiang, Lifan Wang, Jiangfeng Qian, Chun Zhan

{"title":"Exploring the chemical adhesive effect of tin foil to double the lifetime of the solid-state lithium battery","authors":"Qiqi Zhou, Cong Zhong, Shiqi Wang, Pengfei Jiang, Lifan Wang, Jiangfeng Qian, Chun Zhan","doi":"10.1016/j.nanoen.2025.110938","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110938","url":null,"abstract":"The growth of lithium dendrite in solid-state electrolytes (SSE) poses a significant challenge to the commercialization of solid-state battery (SSB). While previous research has largely concentrated on enhancing the ionic conductivity and electrochemical stability of SSE, the mechanical properties of the SSE/Li interface, a critical factor in suppressing dendrite initiation and propagation, have received inadequate attention. To address this gap, this work develops an interface modification strategy to enhance both adhesion and elasticity at the SSE/Li interface, thereby ensuring a robust interface during prolonged cycling. Specifically, tin foil is introduced into the SSE/Li interface to form the Li-Sn alloy during cycling. The resulted Li-Sn alloy ensures intimate SSE/Li contact through chemical adhering effect and simultaneously provides a 35-fold increase in elasticity compared to cycled Li electrode, effectively inhibiting the growth of Li-dendrite. Furthermore, the introduction of tin foil mitigates the occurrence of side reactions at SSE/Li interface. As a result, the LFP/LATP/Sn/Li cell (300 cycles, 83.9% capacity retention) demonstrates doubled lifetime of LFP/LATP/Li cell (155 cycles, 80% capacity retention) at 0.5 C. Moreover, the full cell and symmetrical cell exhibits robust cycling performance at higher rate, sustaining over 300 cycles at 1.5 C and 400 h at 0.5 mA/cm<sup>2</sup>. Compared with previous studies, this work not only emphasizes the critical role of the mechanical properties of the SSE/Li interface in determining interface stability, but also provides a valuable guide to how the lithium alloy interlayer enhances electrochemical stability.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"557 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143745193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Flexible and Multifunctional Polyimide Aerogel-Based Triboelectric Nanogenerator for Motion Monitoring Applications

IF 17.6 1区材料科学

Nano Energy Pub Date : 2025-03-31 DOI: 10.1016/j.nanoen.2025.110932

Wenpeng Wang, Chenggong Xu, Xiaojuan Li, Zhuopei Zhang, Wanting Li, Zimu Zhang, Yange Feng, Daoai Wang

{"title":"Flexible and Multifunctional Polyimide Aerogel-Based Triboelectric Nanogenerator for Motion Monitoring Applications","authors":"Wenpeng Wang, Chenggong Xu, Xiaojuan Li, Zhuopei Zhang, Wanting Li, Zimu Zhang, Yange Feng, Daoai Wang","doi":"10.1016/j.nanoen.2025.110932","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110932","url":null,"abstract":"Aerogels are widely used in production and life due to their ultralow density and high porosity, but their limited mechanical strength restricts their wider application. Therefore, developing aerogel composites with excellent mechanical properties such as flexibility and compression rebound requires more design paradigms. In this paper, a multifunctional polyimide (PI) aerogel material with flexible, antibacterial, and hydrophobic properties was successfully prepared. The resulting aerogel material exhibited outstanding stability after 500 compression cycles at 50% strain, achieved an antibacterial efficacy exceeding 95% against Escherichia coli and Staphylococcus aureus, and possessed a remarkable water contact angle of 133.28°; it ensured a satisfactory performance in humid scenes where bacteria are likely to breed (inside shoes). A flexible, self-cleaning, and antibacterial triboelectric nanogenerator (TENG) was constructed for energy harvesting and motion monitoring using this PI aerogel material. The device can generate a short-circuit current of 3 μA and an output voltage of 300 V. Based on this TENG, a wireless smart mat and gait recognition sensor was developed, which advanced the application of flexible devices in sustainable monitoring and self-sensing.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"28 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143745251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Low-Temperature Purification of Intermediate Phases for Enhanced Stability and Efficiency in FAPbI3 Solar Cells

IF 17.6 1区材料科学

Nano Energy Pub Date : 2025-03-31 DOI: 10.1016/j.nanoen.2025.110945

Qin Gao, Can Wang, Yi Pan, Zeping Ou, Peidong Chen, Kun Chen, Zhenhuang Su, Bingchen He, Jianqiang Qin, Haoxuan Guo, Yujie Zheng, Shanshan Chen, Tingming Jiang, Yingguo Yang, Juan Du, Nabonswende Aida Nadege Ouedraogo, Xingyu Gao, Kuan Sun

{"title":"Low-Temperature Purification of Intermediate Phases for Enhanced Stability and Efficiency in FAPbI3 Solar Cells","authors":"Qin Gao, Can Wang, Yi Pan, Zeping Ou, Peidong Chen, Kun Chen, Zhenhuang Su, Bingchen He, Jianqiang Qin, Haoxuan Guo, Yujie Zheng, Shanshan Chen, Tingming Jiang, Yingguo Yang, Juan Du, Nabonswende Aida Nadege Ouedraogo, Xingyu Gao, Kuan Sun","doi":"10.1016/j.nanoen.2025.110945","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110945","url":null,"abstract":"Formamidinium lead triiodide (FAPbI<sub>3</sub>) is a highly promising absorber layer for perovskite solar cells (PSCs) due to its optimal bandgap and improved thermal stability. However, the two-step deposition method, commonly employing ammonium salt solutions, often yields multiple intermediate phases, resulting in uneven and poorly crystalline FAPbI<sub>3</sub> films. To address this, we implemented a low-temperature treatment (LTT) to suppress the formation of these undesired intermediates. This approach yielded significantly improved FAPbI<sub>3</sub> film quality, characterized by reduced defect density, as well as enhanced charge carrier transport and extraction kinetics, effectively suppressing non-radiative recombination. Consequently, the LTT strategy resulted in a substantial increase in power conversion efficiency (PCE) – up to 25.43% – alongside improved device reproducibility, stability, and long-term performance. This work highlights the role of temperature in the crystal growth of perovskite absorber layer.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"6 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143745189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Wafer-scale flexible 2D PtSe2 layers with bi-directional wavelength tunability for fully optical synaptic operations

IF 17.6 1区材料科学

Nano Energy Pub Date : 2025-03-31 DOI: 10.1016/j.nanoen.2025.110943

Sang Sub Han, Chung Won Lee, Changhyeon Yoo, Sang-Gil Lee, Tae-Sung Bae, Jung Han Kim, Hee-Suk Chung, Yeonwoong Jung

{"title":"Wafer-scale flexible 2D PtSe2 layers with bi-directional wavelength tunability for fully optical synaptic operations","authors":"Sang Sub Han, Chung Won Lee, Changhyeon Yoo, Sang-Gil Lee, Tae-Sung Bae, Jung Han Kim, Hee-Suk Chung, Yeonwoong Jung","doi":"10.1016/j.nanoen.2025.110943","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110943","url":null,"abstract":"Artificial synapses are promising building blocks for neuromorphic computing, offering a pathway to overcome the fundamental limitations of the von Neumann architecture. Especially, synaptic devices operated with optical stimuli are gaining interest due to their distinct advantages over electrically modulated conventional memristors. Here, we report fully optical synaptic demonstrations in two-dimensional (2D) platinum diselenide (PtSe<sub>2</sub>) layers, leveraging their bidirectional photo-responsiveness. Wafer-scale 2D PtSe<sub>2</sub> layers grown by chemical vapor deposition (CVD) exhibit distinct photoconductive responses: positive photoconductivity under long-wavelength optical illumination (625–940 nm) and negative photoconductivity under short-wavelength illumination (405 nm). This unique wavelength tunability leads to a comprehensive and essential set of optical synaptic characteristics in 2D PtSe<sub>2</sub> layers integrated on flexible substrates; <em>i.e.</em>, wavelength-dependent excitatory post-synaptic current (EPSC) and inhibitory post-synaptic current (IPSC), paired-pulse facilitation (PPF), as well as transitions between short-term/long-term potentiation (STP/LTP) and short-term/long-term depression (STD/LTD). Such synaptic features are well preserved even in the 2D PtSe<sub>2</sub> layers-based devices undergoing severe mechanical deformation, which facilitates demonstrations of basic logic functions and Pavlovian associative learning. Furthermore, wafer-scale 2D PtSe<sub>2</sub> arrays on diverse substrates are demonstrated to yield optical pattern recognition, retention, and potentiation capabilities accompanying minimal device-to-device variations. These findings highlight new opportunities for fully-optical and mechanically-reconfigurable neuromorphic hardware with extreme thinness.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"1 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143745192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Integrated nanogenerators with multimodal excitation and strain matching for frequency broadening and output enhancement

IF 16.8 1区材料科学

Nano Energy Pub Date : 2025-03-31 DOI: 10.1016/j.nanoen.2025.110935

Liting Wu , Jing Liu , Hua Yu , Zhong Lin Wang , Rusen Yang

{"title":"Integrated nanogenerators with multimodal excitation and strain matching for frequency broadening and output enhancement","authors":"Liting Wu , Jing Liu , Hua Yu , Zhong Lin Wang , Rusen Yang","doi":"10.1016/j.nanoen.2025.110935","DOIUrl":"10.1016/j.nanoen.2025.110935","url":null,"abstract":"<div><div>Harvesting mechanical energy from the environment is a viable solution to the distributed power supply needed by the IoT. However, the narrow working frequency, integration difficulties, and large size have prevented current devices from fulfilling their application potential. This paper proposes an integrated multimodal nanogenerator (IMNG) based on a staggered L-shaped structure array. The device structure enables multiple vibration modes to work constructively for a broadened operating frequency range (15–75 Hz). Thanks to the desired matching of device strain distribution with different energy harvesting mechanisms, the optimized and synchronized piezoelectric and triboelectric nanogenerators significantly enhance output performance. The compact and miniaturized configuration (77 mm × 45 mm × 25 mm) allows the device to be deployed in space-constrained environments and harvest low-frequency vibration energy from automobiles. This work provides an effective strategy for frequency expansion, integration, and miniaturization, and promotes the application and development of vibration energy harvesting technology.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"139 ","pages":"Article 110935"},"PeriodicalIF":16.8,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143745188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Construction of a ferroelectric material BiOIO3 photoelectrocatalytic anode by triboelectric-photo coupling effect for degradation of antibiotics

IF 16.8 1区材料科学

Nano Energy Pub Date : 2025-03-31 DOI: 10.1016/j.nanoen.2025.110941

Yuanchu Qin , Qinghao Xu , Junhao Gong , Jie Huang , Wen-Long Wang , Chuqiao Lyu , Wenbo Ding

{"title":"Construction of a ferroelectric material BiOIO3 photoelectrocatalytic anode by triboelectric-photo coupling effect for degradation of antibiotics","authors":"Yuanchu Qin , Qinghao Xu , Junhao Gong , Jie Huang , Wen-Long Wang , Chuqiao Lyu , Wenbo Ding","doi":"10.1016/j.nanoen.2025.110941","DOIUrl":"10.1016/j.nanoen.2025.110941","url":null,"abstract":"<div><div>Antibiotic, particularly from tetracycline derivatives, poses severe environmental and health challenges due to their stability, bioaccumulation, and resistance to traditional wastewater treatment methods. Advanced oxidation processes, including photocatalysis, offer potential solutions but are hindered by limitations like rapid recombination of photogenerated electron-hole pairs. This study introduces an innovative photoelectrocatalytic system combining BiOIO<sub>3</sub> (BIO) with a triboelectric nanogenerator (TENG). BIO, with its unique ferroelectric properties and nanosheet morphology, enhances charge carrier separation and reduces recombination, achieving significantly improved degradation rates compared to conventional photocatalysts. TENG provides a sustainable power source by converting mechanical energy into electrical energy, modulating charge dynamics in BIO through band bending and alignment with its intrinsic electric field. The integration of TENG and BIO creates a synergistic effect, enhancing the generation of reactive species (RSs) and achieving degradation efficiencies 1.59 times higher than photocatalysis alone. The system demonstrates robust, scalable, and environmentally friendly performance, offering a promising solution for efficient antibiotic removal in water treatment applications.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"139 ","pages":"Article 110941"},"PeriodicalIF":16.8,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143745190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Local Temperature Enhanced Tribovoltaic Effect

IF 17.6 1区材料科学

Nano Energy Pub Date : 2025-03-31 DOI: 10.1016/j.nanoen.2025.110934

Yuhan Yang, Zhi Zhang, Jun Liu, Shiquan Lin, Zhong Lin Wang

{"title":"Local Temperature Enhanced Tribovoltaic Effect","authors":"Yuhan Yang, Zhi Zhang, Jun Liu, Shiquan Lin, Zhong Lin Wang","doi":"10.1016/j.nanoen.2025.110934","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110934","url":null,"abstract":"The tribovoltaic effect is a newly discovered physical phenomenon at the sliding interface of two semiconductor materials. However, its mechanism is still under investigation, and recent research on the effects of temperature provides a unique way to understand the tribovoltaic effect. Here, a pulsed infrared irradiation of atomic force microscopy-infrared spectroscopy (AFM-IR) is used to generate a local temperature increase from 0 to 140 °C to stimulate the “flash temperature” at sliding interfaces. The results show that when the temperature rise is about 140 °C, the tribovoltaic current can be increased for 25-fold. The local temperature rise has an enhancement on the tribovoltaic effect with a linear relationship between the instantaneous temperature rise and the tribo-current increment. Based the results, an energy band model is proposed, in which impurity states introduced by thermal decomposition of polystyrene sulfonate (PSS<sup>-</sup>) is considered to be one of the main reasons to promote the carrier transition. On the other hand, local temperature rise can bring stronger bonding interactions and produce more “bindington” to increase the generation efficiency of the electron-hole pairs. The findings have important guiding significance for improving the output, and developing applications of the tribovoltaic effect through friction interface design.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"183 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143745248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Performance enhancement from catalysts to membrane electrode assemblies for high-temperature proton exchange membrane fuel cells

IF 17.6 1区材料科学

Nano Energy Pub Date : 2025-03-31 DOI: 10.1016/j.nanoen.2025.110931

Chenhui Xu, Shufan Wang, Yun Zheng, Haishan Liu, Lingfei Li, Zewen Zhuang, Wei Yan, Jiujun Zhang

{"title":"Performance enhancement from catalysts to membrane electrode assemblies for high-temperature proton exchange membrane fuel cells","authors":"Chenhui Xu, Shufan Wang, Yun Zheng, Haishan Liu, Lingfei Li, Zewen Zhuang, Wei Yan, Jiujun Zhang","doi":"10.1016/j.nanoen.2025.110931","DOIUrl":"https://doi.org/10.1016/j.nanoen.2025.110931","url":null,"abstract":"High-temperature proton exchange membrane fuel cells (HT-PEMFCs) show broad application perspectives due to their faster reaction kinetics and tolerance to fuel/gas impurities as well as the easy water/heat managements. However, the catalysts and subsequent membrane electrode assemblies (MEAs) are still suffering from performance degradation, which severely restricts HT-PEMFCs’ large-scale practical application. To overcome the challenges, developing high-performance catalysts and MEAs with advanced materials and optimized structures to achieve stable and efficient operation of HT-PEMFCs is necessary. To facilitate the research and development of HT-PEMFCs, a comprehensive overview of the latest developments in the design of active and stable catalysts and durable MEAs is presented in this paper. This review systematically summarizes the degradation mechanisms of catalysts, and corresponding mitigation strategies for improving the stability of catalysts and MEAs, aiming to effectively developing high-performance and durable HT-PEMFCs. Furthermore, the main challenges are analysed and the future research directions for overcoming the challenges are also proposed for developing high-active and stable catalysts and MEAs used in HT-PEMFCs toward practical applications.","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"18 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143737279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Simplified surface defects of Sn-Pb perovskite for efficient all-perovskite tandem solar cells

IF 16.8 1区材料科学

Nano Energy Pub Date : 2025-03-29 DOI: 10.1016/j.nanoen.2025.110927

Yongxin Zhu , Ciyu Ge , Qi Xu , Dayu Liu , Peiyan Zhang , Xinzhi Zu , Chong Dong , Xuke Yang , Wenjiang Ye , Haojun Hu , Zhenkai Zhu , Zeyu Zhang , Juan Du , Shuping Pang , Long Hu , Haisheng Song , Ling Xu , Ying Zhou , Chao Chen , Jiang Tang

{"title":"Simplified surface defects of Sn-Pb perovskite for efficient all-perovskite tandem solar cells","authors":"Yongxin Zhu , Ciyu Ge , Qi Xu , Dayu Liu , Peiyan Zhang , Xinzhi Zu , Chong Dong , Xuke Yang , Wenjiang Ye , Haojun Hu , Zhenkai Zhu , Zeyu Zhang , Juan Du , Shuping Pang , Long Hu , Haisheng Song , Ling Xu , Ying Zhou , Chao Chen , Jiang Tang","doi":"10.1016/j.nanoen.2025.110927","DOIUrl":"10.1016/j.nanoen.2025.110927","url":null,"abstract":"<div><div>Alloyed Sn-Pb perovskites are demonstrating an increasingly important position due to ideal bandgaps for single and tandem applications. However, Sn incorporation would cause more complex defect management such as boosted deep defect density, serving as highly efficiently non-radiative recombination centers. Traditional one-step passivation methods cannot well passivate these complex defects, making it difficult to further improve open-circuit voltage and efficiency. To fundamentally solve this issue, here we develop a sequential passivation (se-passivation) approach to reconstruct defect types from complexity into simplicity, which then can be efficiently passivated by using well-developed comprehensive passivation strategies. Consequently, vacuum-assisted deposited Sn-Pb perovskite solar cells achieve a record open-circuit voltage of 0.91 V with a nonradiative loss as low as 60 mV. Combining with a 1.79- eV wide-bandgap front sub-cell, we delivered an astonishing efficiency of 28.16 % in all-perovskite tandem solar cells.</div></div>","PeriodicalId":394,"journal":{"name":"Nano Energy","volume":"139 ","pages":"Article 110927"},"PeriodicalIF":16.8,"publicationDate":"2025-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143734282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0