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Ibrahim, Mesfin Seid (author), Fan, J. (author), Yung, Winco K.C. (author), Jing, Zhou (author), Fan, Xuejun (author), van Driel, W.D. (author), Zhang, Kouchi (author)The increased system complexity in electronic products brings challenges in a system level reliability assessment and lifetime estimation. Traditionally, the graph model-based reliability block diagrams (RBD) and fault tree analysis (FTA) have been used to assess the reliability of products and systems. However, these methods are based on...journal article 2021
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Tan, C. (author), Gao, Chenshan (author), Zhou, Quan (author), van Driel, W.D. (author), Ye, H. (author), Zhang, Kouchi (author)The authors regret that one of the affiliations (affiliation f) was incorrectly omitted in the original manuscript. The corrected list of affiliations is as shown below. The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.journal article 2021
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Hajipour, Pejman (author), Bahrami, Abbas (author), Yazdan Mehr, M. (author), van Driel, W.D. (author), Zhang, Kouchi (author)This paper investigates the photocatalytic characteristics of Ag nanowire (AgNW)/TiO2 and AgNW/TiO2/graphene oxide (GO) nanocomposites. Samples were synthesized by the direct coating of TiO2 particles on the surface of silver nanowires. As-prepared AgNW/TiO2 and AgNW/TiO2/GO nanocomposites were characterized by electron microscopy, X-ray...journal article 2021
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el Mansouri, B. (author), van Driel, W.D. (author), Zhang, Kouchi (author)Nowadays many applications require optical detection of some sorts, ranging from civil to military fields. Depending on the optical source, each sensing element needs to have distinct properties with the spectral range at the top. Choices such as sensitivity and environment play an equally important role, if not more important. The properties of...book chapter 2020
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Khouzani, Mahdi Kiani (author), Bahrami, Abbas (author), Yazdan Mehr, M. (author), van Driel, W.D. (author), Zhang, Kouchi (author)This paper aims to investigate the synthesis, structure, and optical properties of SiO<sub>2</sub> @YAG:Ce core–shell optical nanoparticles for solid state lighting applications. YAG:Ce phosphor is a key part in white light emitting diodes (LEDs), with its main functionality being the generation of yellow light. Generated yellow light from...journal article 2020
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The inactivation mechanism of chemical disinfection against SARS-CoV-2: From MD and DFT perspectivesTan, C. (author), Gao, Chenshan (author), Zhou, Quan (author), van Driel, W.D. (author), Ye, H. (author), Zhang, Kouchi (author)Exploring effective disinfection methods and understanding their mechanisms on the new coronavirus is becoming more active due to the outbreak of novel coronavirus pneumonia (COVID-19) caused by severe acute respiratory coronavirus 2 (SARS-CoV-2). By combining molecular dynamics and first-principles calculations, we investigate the...journal article 2020
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Yazdan Mehr, M. (author), Bahrami, A. (author), van Driel, W.D. (author), Fan, X.J. (author), Davis, J.L. (author), Zhang, Kouchi (author)In this paper, degradation mechanisms of optical materials, used in the light emitting diode (LED)-based products, are reviewed. The LED lighting is one of the fastest technology shifts in human history. Lighting accounts for almost 20% of the global electrical energy use, inferring that replacement of traditional lighting sources with LEDs...journal article 2020
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Ibrahim, Mesfin Seid (author), Fan, Jiajie (author), Yung, Winco K.C. (author), Prisacaru, Alexandru (author), van Driel, W.D. (author), Fan, X. (author), Zhang, Kouchi (author)Light-emitting diodes (LEDs) are among the key innovations that have revolutionized the lighting industry, due to their versatility in applications, higher reliability, longer lifetime, and higher efficiency compared with other light sources. The demand for increased lifetime and higher reliability has attracted a significant number of...review 2020
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Middelburg, L.M. (author), van Driel, W.D. (author), Zhang, Kouchi (author)In the coming decade, the development in the area of More than Moore will certainly take over from Moore’s Law. Sensor development and sensor integration will prevail above lower node development. New packaging solutions will be developed which will fuel the integration of sensors. These developments can still be silicon based but where harsh...book chapter 2020
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Huang, Cai (author), Wang, Yilin (author), Zhang, Xudong (author), Seminario Thulin, Andres (author), van Driel, Iris (author), Liu, Danyan (author), Droge, Jean Pierre (author)The coastal landscape of South Florida faces many challenges connected to climate change and urbanization. Sea level rise, loss of ecosystems, land subsidence, aquifer depletion are some of the issues that need serious attention. Landscape Approach Florida is showcasing results of a Landscape Architecture Design Lab where seven MSc-graduates...report 2019
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el Mansouri, B. (author), Middelburg, L.M. (author), Poelma, René H. (author), Zhang, Kouchi (author), van Zeijl, H.W. (author), Wei, J. (author), Jiang, H. (author), Vogel, J.G. (author), van Driel, W.D. (author)Commercially available gravimeters and seismometers can be used for measuring Earth’s acceleration at resolution levels in the order of ng∕Hz (where g represents earth’s gravity) but they are typically high-cost and bulky. In this work the design of a bulk micromachined MEMS device exploiting non-linear buckling behaviour is described, aiming...journal article 2019
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Yazdan Mehr, M. (author), van Driel, W.D. (author), Zhang, Kouchi (author)This paper investigates degradation and failure mechanisms of BPA-PC lenses in simulated harsh environment conditions. Exposure of secondary optics in Light Emitting Diode LED-based systems or any other similar applications to environmental stresses can adversely effect the performance and lifetime of products. This paper simulates a harsh...conference paper 2019
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Yazdan Mehr, M. (author), van Driel, W.D. (author), De Buyl, Francois (author), Zhang, Kouchi (author)Degradation mechanisms of silicone plates under harsh environment conditions are studied in this investigation. Environmental degradation of silicone free form, used as secondary optics in Light Emitting Diode LED lighting lamps and luminaires or any other applications requiring high quality optics being used, has negative implications for the...journal article 2018
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Yazdan Mehr, M. (author), Toroghinejad, M.R. (author), Karimzadeh, F. (author), van Driel, W.D. (author), Zhang, Kouchi (author)Reduction of intensity of light output is one of the most common degradation modes in light-emitting diode (LED) systems. It starts from the failure of the various components in the system, including the chip, the driver, and optical components (i.e. phosphorous layer). The kinetics of degradation in real life applications is relatively slow...journal article 2018
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Sun, Bo (author), Fan, Xuejun (author), van Driel, W.D. (author), Cui, Chengqiang (author), Zhang, Kouchi (author)In this study, we present a general methodology that combines the reliability theory with physics of failure for reliability prediction of an LED driver. More specifically, an integrated LED lamp, which includes an LED light source with statistical distribution of luminous flux, and a driver with a few critical components, is considered. The...journal article 2018
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Middelburg, L.M. (author), el Mansouri, B. (author), Poelma, René H. (author), van Zeijl, H.W. (author), Wei, J. (author), Zhang, Kouchi (author), van Driel, W.D. (author)The mechanical part of inertial sensors can be designed to have a large mechanical sensitivity, but also requires the transduction mechanism which translates this displacement. The overall system resolution in mechanical inertial sensors is dictated by the noise contribution of each stage and the magnitude of each sensitivity, see also Figure...conference paper 2018
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Van Der Sluis, Olaf (author), Iwamoto, Nancy (author), Qu, Jianmin (author), Yang, Shaorui (author), Yuan, C.A. (author), van Driel, W.D. (author), Zhang, Kouchi (author)Adhesion and delamination have been pervasive problems hampering the performance and reliability of micro-and nano-electronic devices. In order to understand, predict, and ultimately prevent interface failure in electronic devices, development of accurate, robust, and efficient delamination testing and prediction methods is crucial. Adhesion...book chapter 2018
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Yazdan Mehr, M. (author), van Driel, W.D. (author), Zhang, Kouchi (author)Lumen depreciation is one of the major failure modes in light-emitting diode (LED) systems. It originates from the degradation of the different components within the system, including the chip, the driver, and the optical materials (i.e., phosphorous layer). The kinetics of degradation in real-life applications is relatively slow, and in most...book chapter 2018
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Sun, B. (author), Fan, Xuejun (author), Ye, H. (author), Fan, Jiajie (author), Qian, Cheng (author), van Driel, W.D. (author), Zhang, Kouchi (author)In this paper, an integrated LED lamp with an electrolytic capacitor-free driver is considered to study the coupling effects of both LED and driver's degradations on lamp's lifetime. An electrolytic capacitor-less buck-boost driver is used. The physics of failure (PoF) based electronic thermal simulation is carried out to simulate the lamp's...journal article 2017
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Yazdan Mehr, M. (author), Vollebregt, S. (author), van Driel, W.D. (author), Zhang, Kouchi (author)A graphene monolayer has been successfully coated on one side of a bisphenol-A-polycarbonate (BPA-PC) plate, used as a substrate for remote phosphor applications in light-emitting diode (LED)-based products. Using a photoresist transferring method, graphene sheet has been coated on BPA-PC plates. The results show that this graphene monolayer...journal article 2017