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A repeated interdiffusion method for efficient planar formamidinium perovskite solar cells 被引量:1
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作者 Huiyin Zhang Jiangjian Shi +4 位作者 Juan Dong Xin Xu Yanhong Luo Dongmei Li Qingbo Meng 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2015年第6期707-711,共5页
A repeated interdiffusion method is described for phase-stable and high-quality (FA,MA)PbI3 film. The crys- tallization and growth of the perovskite films can be well controlled by adjusting the reactant concentrati... A repeated interdiffusion method is described for phase-stable and high-quality (FA,MA)PbI3 film. The crys- tallization and growth of the perovskite films can be well controlled by adjusting the reactant concentrations. With this method, dense, smooth perovskite films with large crystals have been obtained. Finally, a PCE of 16.5% as well as a steady-state efficiency of 16.3% is achieved in the planar perovskite solar cell. 展开更多
关键词 Formamidinium perovskite solar cell Repeated interdiffusion Crystallization Charge dynamics
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Research on pricing game strategy for load-balancing in VANET 被引量:2
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作者 WU Di LING Yan +2 位作者 ZHU Hong-Song LIU Jiang-Chuan TAN Guo-Zhen 《The Journal of China Universities of Posts and Telecommunications》 EI CSCD 2013年第1期73-78,共6页
In vehicle Ad-hoc netwok (VANET), traffic load is often unevenly distributed among access points (APs). Such load imbalance hampers the network from fully utilizing the network capacity. To alleviate such imbalanc... In vehicle Ad-hoc netwok (VANET), traffic load is often unevenly distributed among access points (APs). Such load imbalance hampers the network from fully utilizing the network capacity. To alleviate such imbalance, the paper introduces a novel pricing game model. The research scene is at the intersection when the traffic light is green. As vehicles are highly mobile and the network typology changes dynamically, the paper divides the green light time into equal slots and calculates APs' prices with the presented pricing game in each time slot. The whole process is a repeated game model. The final equilibrium solution set is APs' pricing strategy, and the paper claim that this equilibrium solution set can affect vehicles' selection and ensure APs' load-balancing. Simulation results based on a realistic vehicular traffic model demonstrate the effectiveness of the game method. 展开更多
关键词 pricing game dynamic repeated game LOAD-BALANCING VANET
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Adaptive speed of sound correction with photoacoustic tomography for imaging quality optimization
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作者 叶濛 曹萌 +6 位作者 袁杰 陈域迪 程茜 陶超 刘晓峻 徐冠 王学鼎 《Chinese Optics Letters》 SCIE EI CAS CSCD 2016年第8期76-80,共5页
This work proposes a method to concurrently calibrate multiple acoustic speeds in different mediums with a photoacoustic(PA) and ultrasound(US) dual-modality imaging system. First, physical infrastructure informat... This work proposes a method to concurrently calibrate multiple acoustic speeds in different mediums with a photoacoustic(PA) and ultrasound(US) dual-modality imaging system. First, physical infrastructure information of the target is acquired through a US image. Then, we repeatedly build PA images around a special target to yield the best focused result by dynamically updating the acoustic speeds in a different medium of the target.With these correct acoustic propagation velocities in the according mediums, we can effectively optimize the PA image quality as the experiments proved, which might benefit future research in biomedical imaging science. 展开更多
关键词 correction dynamically modality infrastructure repeatedly biomedical optimize reconstructed beads gelatin
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