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536 results on '"Cao, Dandan"'

4. Leg Kinematics of Quadruped Robot

Author

Huang, Wei, Hu, Haidong, Guo, Ruike, Cao, Dandan, Liu, Dayong, Jiang, Lisong, Liu, Junfeng, Zhu, Jiahao, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Tan, Kay Chen, Series Editor, Yang, Qingxin, editor, Li, Zewen, editor, and Luo, An, editor

Published
2024
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12. Unraveling the rapid ion migration in perovskite solar cells by circuit-switched transient photoelectric technique.

Author

Wu, Ziyou, Yuan, Shuai, Miao, Shaoshuai, Li, Yiyi, Zhang, Wenqi, Cao, Dandan, Nie, Junyu, Wang, Yi, Ai, Xi-Cheng, and Zhang, Jian-Ping

Abstract

Ion migration activated by illumination is a critical factor responsible for the performance decline and stability degradation of perovskite solar cells (PSCs). While ion migration has been widely believed to be much slower than charge transport, recent research suggests that, despite the lack of understanding of the mechanism, it may also be involved in a series of rapid photoelectric responses of PSCs. Here, we report an improved circuit-switched transient photoelectric technique with nanosecond temporal resolution, which enables quantitative characterization of ion migration dynamics in PSCs across a fairly broad time window. Specifically, ion migration occurring within microseconds after illumination (corresponding to a diffusion length of ∼10−7 cm) is unambiguously identified. In conjunction with the composition engineering protocol, we justify that it arises from the short-range migration of halide anions and organic cations around the contact/perovskite interface. The rapid ion migration kinetics revealed in this work strongly complement the well-established ion migration model, which offers new insights into the mechanism of ion-carrier interaction in PSC devices. [ABSTRACT FROM AUTHOR]

Published
2024
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17. A Navigation and Control Framework of Quadrupedal Robot for Autonomous Exploration in Cave Environments

Author

Hu, Yong, Jiang, Lisong, Kang, Ke, Cao, Dandan, Zhou, Zhongda, Liu, Junfeng, Wang, Yong, Li, Maodeng, Hu, Haidong, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Yang, Huayong, editor, Liu, Honghai, editor, Zou, Jun, editor, Yin, Zhouping, editor, Liu, Lianqing, editor, Yang, Geng, editor, Ouyang, Xiaoping, editor, and Wang, Zhiyong, editor

Published
2023
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18. Prediction of Carbon Peak Time in Jiangxi Province Based on Random Forest Model

Author

Cao, Dandan, Dou, Runliang, Editor-in-Chief, Liu, Jing, Editor-in-Chief, Khasawneh, Mohammad T., Editor-in-Chief, Balas, Valentina Emilia, Series Editor, Bhowmik, Debashish, Series Editor, Khan, Khalil, Series Editor, Masehian, Ellips, Series Editor, Mohammadi-Ivatloo, Behnam, Series Editor, Nayyar, Anand, Series Editor, Pamucar, Dragan, Series Editor, Shu, Dewu, Series Editor, Qiu, Daowen, editor, Jiao, Yusheng, editor, and Yeoh, William, editor

Published
2023
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29. Human Pose Estimation Based on Feature Fusion and Graph Encoding Optimization

Author

Cao, Dandan, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, Liu, Qi, editor, Liu, Xiaodong, editor, Cheng, Jieren, editor, Shen, Tao, editor, and Tian, Yuan, editor

Published
2022
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30. Joint Classification of Hyperspectral and LiDAR Data Using Improved Local Contain Profile

Author

Cao, Dandan, Li, Wei, Li, Lu, Ran, Qiong, Zhang, Mengmeng, Tao, Ran, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, Wang, Liheng, editor, Wu, Yirong, editor, and Gong, Jianya, editor

Published
2022
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41. Overcoming the luminescence instability of colloidal mixed-halide perovskite quantum dots through ion motion confinement.

Author

Wang, Xinli, Sun, Yang, Gao, Jie, Huang, Xiao, Cao, Dandan, Gao, Xiaowen, Wang, Hao-Yi, Li, Qi, Wang, Yi, Fu, Li-Min, Ai, Xi-Cheng, Xu, Dongsheng, and Zhang, Jian-Ping

Abstract

Colloidal lead halide perovskite quantum dots (PQDs) display great potential for flexible light-emitting applications; however, the practicability, especially for the mixed halide PQD counterparts, is restricted by color deterioration and intensity decline in photoluminescence (PL) caused by unintentional variation in stoichiometric ratios due to ion migration upon exposure to light. Herein, we present a collaborative strategy to stabilize the PL by confining ion motion in colloidal PQDs. Specifically, we modify the surface of CsPbBr1.5I1.5 QDs with a zwitterionic ligand, sulfobetaine-18, to retard ion migration and accelerate its entropy-driven reverse process (ion intermixing in the dark) simultaneously. Furthermore, we propose a high-repetition, pulse-width-modulation-enabled optical excitation approach, whereby the ion migration/intermixing kinetics can be finely controlled by adjusting the excitation duty cycle. Taken together, we attain unprecedentedly stable PL from the colloidal mixed halide PQD solution, displaying constant intensity and negligible wavelength shifts (less than 3 nm) during the 25-minute quasi-continuous photoexcitation. [ABSTRACT FROM AUTHOR]

Published
2024
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44. Short-Term Demand Forecasting of Shared Bicycles Based on Long Short-Term Memory Neural Network Model

Author

Du, Ming, Cao, Dandan, Chen, Xi, Fan, Shurui, Li, Zirui, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Sun, Xingming, editor, and Wang, Jinwei, editor

Published
2020
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