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[IEEE 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) - Waikoloa Village, HI, USA (2018.6.10-2018.6.15)] 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) - Plasma Texturing of Silicon Wafers and Finished Solar Cell for Mass Production
摘要： Standard plasma texturing of silicon wafers are not widely introduced within mass production due to several challenges which have to be overcome before implementation i.e. surface contamination, surface near damaging due to ion bombardment, and surface passivation. Within this contribution we will show our current status to overcome these challenges. We will present that the electrical and optical properties of ICP only plasma textured samples are sufficient for solar cell production. Since in ICP processes the ion bombardment is low we also will discuss our current understanding of the plasma process based on experimental results of the self-masking process. Furthermore, a new plasma texturing approach texturing the SiN layer of finished solar cells is introduced for the first time which overcome all problems introduced by the plasma texturing of bare solar wafers.
关键词： Plasma materials processing,silicon,SiN texturing,Plasma texturing,photovoltaic cells
更新于2025-10-22 19:40:53
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[IEEE 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC) - Chicago, IL, USA (2019.6.16-2019.6.21)] 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC) - PolySi Based Passivating Contacts Enabling Industrial Silicon Solar Cell Efficiencies up to 24%
摘要： An RF argon plasma jet has been explored using high-speed camera imaging at 10 000 frames/s. Small variations of gas ?ow and/or RF power lead to instabilities of the ?lament movement. Two types of instabilities have been observed depending on the interrelated azimuthal velocities of ?laments. In the case of antiparallel ?lament velocities, one ?lament is collapsing and fuses with the other ?lament, while the collapsing ?lament exhibits a striated structure. In the case of parallel velocities, both ?laments establish a symmetric con?guration and rotate with constant velocity in the jet. Spatially and temporally resolved features are visualized with a time-colored stroboscopic image.
关键词： plasma stability,plasma materials processing,Image processing
更新于2025-09-23 15:19:57
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[IEEE 2019 IEEE Pulsed Power & Plasma Science (PPPS) - Orlando, FL, USA (2019.6.23-2019.6.29)] 2019 IEEE Pulsed Power & Plasma Science (PPPS) - Electro-Optical Measurement of Electric Fields for Pulsed Power Systems
摘要： An RF argon plasma jet has been explored using high-speed camera imaging at 10 000 frames/s. Small variations of gas ?ow and/or RF power lead to instabilities of the ?lament movement. Two types of instabilities have been observed depending on the interrelated azimuthal velocities of ?laments. In the case of antiparallel ?lament velocities, one ?lament is collapsing and fuses with the other ?lament, while the collapsing ?lament exhibits a striated structure. In the case of parallel velocities, both ?laments establish a symmetric con?guration and rotate with constant velocity in the jet. Spatially and temporally resolved features are visualized with a time-colored stroboscopic image.
关键词： plasma stability,Image processing,plasma materials processing
更新于2025-09-19 17:13:59
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Optimal Cleaning Scheduling for Photovoltaic Systems in the Field Based on Electricity Generation and Dust Deposition Forecasting
摘要： An RF argon plasma jet has been explored using high-speed camera imaging at 10 000 frames/s. Small variations of gas ?ow and/or RF power lead to instabilities of the ?lament movement. Two types of instabilities have been observed depending on the interrelated azimuthal velocities of ?laments. In the case of antiparallel ?lament velocities, one ?lament is collapsing and fuses with the other ?lament, while the collapsing ?lament exhibits a striated structure. In the case of parallel velocities, both ?laments establish a symmetric con?guration and rotate with constant velocity in the jet. Spatially and temporally resolved features are visualized with a time-colored stroboscopic image.
关键词： plasma materials processing,plasma stability,Image processing
更新于2025-09-19 17:13:59
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[IEEE IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium - Yokohama, Japan (2019.7.28-2019.8.2)] IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium - First Results from Laser-Based Spectral Characterization of Landsat 9 Operational Land Imager-2
摘要： An RF argon plasma jet has been explored using high-speed camera imaging at 10 000 frames/s. Small variations of gas ?ow and/or RF power lead to instabilities of the ?lament movement. Two types of instabilities have been observed depending on the interrelated azimuthal velocities of ?laments. In the case of antiparallel ?lament velocities, one ?lament is collapsing and fuses with the other ?lament, while the collapsing ?lament exhibits a striated structure. In the case of parallel velocities, both ?laments establish a symmetric con?guration and rotate with constant velocity in the jet. Spatially and temporally resolved features are visualized with a time-colored stroboscopic image.
关键词： plasma stability,Image processing,plasma materials processing
更新于2025-09-16 10:30:52