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Zhang, Qinglong (author), Han, Rui (author), Xin, Gaofeng (author), Liu, Chi Harold (author), Wang, Guoren (author), Chen, Lydia Y. (author)Deep neural networks (DNNs) have been showing significant success in various anomaly detection applications such as smart surveillance and industrial quality control. It is increasingly important to detect anomalies directly on edge devices, because of high responsiveness requirements and tight latency constraints. The accuracy of DNN-based...journal article 2022
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Ao, Yibin (author), Zhong, Jinglin (author), Zhang, Zijun (author), Han, Lili (author), Wang, Yan (author), Chen, Yunfeng (author), Wang, T. (author)Residents’ satisfaction with post-disaster reconstruction in earthquake-stricken areas directly affects their quality of life, which cannot be ignored in post-disaster reconstruction. More than 10 years after the Wenchuan earthquake, we took ten randomly selected villages in the five areas hardest-hit by the Wenchuan earthquake as research...journal article 2022
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Shao, Pengfei (author), Ma, C. (author), Han, Daoyang (author), Liu, Kun (author), Li, Mingliang (author), Liang, Yi (author), Yao, Meng (author), Wang, Hailong (author), Zhang, Rui (author), Shao, Gang (author)Temperature sensors that can operate in high-temperature and harsh environments are highly desired. However, this is a great challenge for sensing materials to operate under extreme working conditions because of oxidation and/or corrosion at high temperature. In this study, polymer-derived SiAlCN ceramics were prepared as sensing materials to...journal article 2022
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Zhang, Mengru (author), Han, Fei (author), Liu, Zhe (author), Han, Yufei (author), Li, L. (author), Zhou, Weizhi (author)The contradiction between theoretical metabolism of ammonium assimilation and experiential understanding of conventional biosystems makes the rational optimization of the ammonium-assimilating microbiome through carbon to nitrogen (C/N) ratios perplexing. The effect of different C/N ratios on ammonium-assimilating biosystems was investigated...journal article 2022
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- Han, Jeong Woo (author), Hollmann, F. (author), Luque, Rafael (author), Song, In Kyu (author), Talarico, Giovanni (author), Tatsumi, Takashi (author), Yan, Ning (author) journal article 2022
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Sun, Renjuan (author), Han, Lebing (author), Zhang, Hongzhi (author), Ge, Zhi (author), Guan, Yanhua (author), Ling, Yifeng (author), Schlangen, E. (author), Šavija, B. (author)This paper presents a study on cracking characterization of engineered cementitious composites (ECC) under flexural cyclic load using digital image correlation (DIC) technique. Five stress levels, namely 0.65, 0.75, 0.8, 0.85 and 0.9 of the flexural strength, were applied. Strain map at the side surface was obtained by DIC and used to drive...journal article 2022
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Cao, L. (author), Procel Moya, P.A. (author), Alcañiz Moya, A. (author), Yan, J. (author), Tichelaar, F.D. (author), Özkol, E. (author), Zhao, Y. (author), Han, C. (author), Yang, G. (author), Yao, Z. (author), Zeman, M. (author), Santbergen, R. (author), Mazzarella, L. (author), Isabella, O. (author)Thin films of transition metal oxides such as molybdenum oxide (MoO<sub>x</sub>) are attractive for application in silicon heterojunction solar cells for their potential to yield large short-circuit current density. However, full control of electrical properties of thin MoO<sub>x</sub> layers must be mastered to obtain an efficient hole...journal article 2022
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Han, C. (author), Yang, G. (author), Procel Moya, P.A. (author), O'Connor, D. (author), Zhao, Y. (author), Gopalakrishnan, Anirudh (author), Zhang, Xiaodan (author), Zeman, M. (author), Mazzarella, L. (author), Isabella, O. (author)Bifacial (BF) copper-plated crystalline silicon solar cell is an attractive topic to concurrently reduce silver consumption and maintain good device performance. However, it is still challenging to realize a high aspect ratio (AR) of the metal fingers. Herein, a new type of hybrid-shaped Cu finger is electromagnetically fabricated in a BF...journal article 2022
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Yang, G. (author), Han, C. (author), Procel Moya, P.A. (author), Zhao, Y. (author), Singh, M. (author), Mazzarella, L. (author), Zeman, M. (author), Isabella, O. (author)Crystalline silicon solar cells with passivating contacts based on doped poly-Si exhibit high optical parasitic losses. Aiming at minimizing these losses, we developed the oxygen-alloyed poly-Si (poly-SiOx) as suitable material for passivating contacts. From passivation point of view, poly-SiOx layers show excellent passivation quality and...journal article 2022
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Han, C. (author), Santbergen, R. (author), van Duffelen, Max (author), Procel Moya, P.A. (author), Zhao, Y. (author), Yang, G. (author), Zhang, Xiaodan (author), Zeman, M. (author), Mazzarella, L. (author), Isabella, O. (author)Reducing indium consumption, which is related to the transparent conductive oxide (TCO) use, is a key challenge for scaling up silicon heterojunction (SHJ) solar cell technology to terawatt level. In this work, we developed bifacial SHJ solar cells with reduced TCO thickness. We present three types of In<sub>2</sub>O<sub>3</sub>-based TCOs,...journal article 2022
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Zhao, Y. (author), Procel Moya, P.A. (author), Smets, A.H.M. (author), Mazzarella, L. (author), Han, C. (author), Yang, G. (author), Cao, L. (author), Yao, Z. (author), Weeber, A.W. (author), Zeman, M. (author), Isabella, O. (author)Excellent surface passivation induced by (i)a-Si:H is critical to achieve high-efficiency silicon heterojunction (SHJ) solar cells. This is key for conventional single-junction cell applications but also for bottom cell application in tandem devices. In this study, we investigated the effects of (i)a-Si:H deposition temperature on passivation...journal article 2022
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Han, L. (author), Theuwissen, A.J.P.A.M. (author)This letter introduces a Gm-cell-based CMOS image sensor (CIS) achieving deep subelectron noise performance. The CIS presents a new compensation block and low-noise current source to improve the performance of the Gm pixel. Furthermore, an optional first-order IIR filter is implemented to improve the output swing. The conversion gain, full...journal article 2021
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Prisacaru, Alexandru (author), Gromala, Przemyslaw Jakub (author), Han, Bongtae (author), Zhang, Kouchi (author)Recent trends in automotive electronics such as automated driving will increase the number and complexity of electronics used in safety-relevant applications. Applications in logistics or ridesharing will require a specific year of service rather than the conventional mileage usage. Reliable operations of the electronic systems must be...journal article 2021
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Han, Donglin (author), Hou, H. (author), Wu, Hao (author), Lai, Joseph H.K. (author)Whereas the use of specific smart technologies in various sectors of the tourism industry has been under greater scrutiny in recent years, research that investigates tourists’ acceptance of smart technologies applied as a whole to hotels is largely underexplored. To address this shortfall, a study with a focus on tourists’ acceptance of...journal article 2021
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Zhong, Junping (author), Liu, Zhigang (author), Wang, H. (author), Liu, Wenqiang (author), Yang, Cheng (author), Han, Zhiwei (author), Nunez, Alfredo (author)Brace sleeve (BS) fasteners, i.e., nut and bolt, are small components but play essential roles in fixing BS and cantilever in railway catenary system. They are commonly inspected by onboard cameras using computer vision to ensure the safety of railway operation. However, most BS fasteners cannot be directly localized because they are too...journal article 2021
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Han, Jianbo (author), Chan, Edwin Hon Wan (author), Qian, QK (author), Yung, Esther Hiu Kwan (author)The ageing population tends to be seen as a burden of cities’ future development. Thus, the public funds for older residents’ wellbeing are at risk of being cut back under the economic austerity due to the prevalent neoliberalism policy atmosphere. However, some cities set good examples to turn their older citizens into active contributors to...journal article 2021
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Wang, Jin (author), Han, Hui (author), Li, H. (author), He, Shiming (author), Sharma, Pradip Kumar (author), Chen, Lydia Y. (author)Due to high capacity and fast transmission speed, 5G plays a key role in modern electronic infrastructure. Meanwhile, sparse tensor factorization (STF) is a useful tool for dimension reduction to analyze high-order, high-dimension, and sparse tensor (HOHDST) data, which is transmitted on 5G Internet-of-things (IoT). Hence, HOHDST data relies...journal article 2021
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Jung, Chanwon (author), Dutta, B. (author), Dey, P. (author), Jeon, Seong jae (author), Han, Seungwoo (author), Lee, Hyun Mo (author), Park, Jin Seong (author), Yi, Seong Hoon (author), Choi, Pyuck Pa (author)Tailoring nanostructures is nowadays a common approach for enhancing the performance of thermoelectric Heusler compounds by decreasing the thermal conductivity without significantly affecting the electrical conductivity. However, the most widely reported method for obtaining nanostructured thermoelectrics, an approach based on crushing as...journal article 2021
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Oh, Yoontaek (author), Han, Ji Hyung (author), Kim, Hanki (author), Jeong, Namjo (author), Vermaas, D.A. (author), Park, Jin Soo (author), Chae, Soryong (author)Irreversible faradic reactions in reverse electrodialysis (RED) are an emerging concern for scale-up, reducing the overall performance of RED and producing environmentally harmful chemical species. Capacitive RED (CRED) has the potential to generate electricity without the necessity of irreversible faradic reactions. However, there is a...journal article 2021
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Lv, Leyang (author), Šavija, B. (author), Li, Lin (author), Cui, Hongzhi (author), Han, Ningxu (author), Xing, Feng (author)The use of CSA cement in practice has been hindered by its unstable performance and short shelf-life caused by the prehydration of CSA clinker. In this study, the effect of ambient humidity on the prehydration rate and process of CSA clinker was investigated. The prehydration degree, ageing progress, and the dynamic change of mineral...journal article 2021