Browsing NTNU Open by Author "Ren, Dingding"
Now showing items 1-12 of 12
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Epitaxially grown III-arsenide-antimonide nanowires for optoelectronic applications
Ren, Dingding; Ahtapodov, Lyubomir; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove (Journal article; Peer reviewed, 2019)Epitaxially grown ternary III-arsenide-antimonide (III-As–Sb) nanowires (NWs) are increasingly attracting attention due to their feasibility as a platform for the integration of largely lattice-mismatched antimonide-based ... -
Focused ion beam lithography for position-controlled nanowire growth
Mosberg, Aleksander Buseth; Ren, Dingding; Ahtapodov, Lyubomir; Weman, Helge; Fimland, Bjørn Ove Myking; Van Helvoort, Antonius (Peer reviewed; Journal article, 2023) -
GaAs/AlGaAs Nanowire Array Solar Cell Grown on Si with Ultrahigh Power-per-Weight Ratio
Mukherjee, Anjan; Ren, Dingding; Vullum, Per Erik; Huh, Junghwan; Fimland, Bjørn-Ove; Weman, Helge (Peer reviewed; Journal article, 2021)Here we demonstrate a more effective use of III–V photoconversion material to achieve an ultrahigh power-per-weight ratio from a solar cell utilizing an axial p-i-n junction GaAs/AlGaAs nanowire (NW) array grown by molecular ... -
Growth and Characterization of Self- Catalyzed GaAsSb Nanowires for Optoelectronic Applications
Ren, Dingding (Doctoral theses at NTNU;2017:136, Doctoral thesis, 2017) -
High-Q whispering gallery mode germanium microresonators at 8 μm
Ren, Dingding; Benirschke, David; Shin, Jae Ho; Burghoff, David (Journal article; Peer reviewed, 2022) -
High-quality microresonators in the longwave infrared based on native germanium
Ren, Dingding; Dong, Chao; Addamane, Sadhvikas J.; Burghoff, David (Peer reviewed; Journal article, 2022)The longwave infrared (LWIR) region of the spectrum spans 8 to 14 μm and enables high-performance sensing and imaging for detection, ranging, and monitoring. Chip-scale LWIR photonics has enormous potential for real-time ... -
Integrated nonlinear photonics in the longwave-infrared: A roadmap
Ren, Dingding; Dong, Chao; Burghoff, David (Journal article; Peer reviewed, 2023)This article presents an overview of the current status and future prospects of integrated nonlinear photonics in the long-wave infrared (LWIR) spectrum, spanning 6 to 14 μm. This range is well-suited for applications such ... -
Origin of Leakage Currents and Nanowire-to-Nanowire Inhomogeneity in Radial p-i-n Junction GaAs Nanowire Array Solar Cells on Si
Mukherjee, Anjan; Ren, Dingding; Mosberg, Aleksander Buseth; Vullum, Per Erik; Van Helvoort, Antonius; Fimland, Bjørn Ove Myking; Weman, Helge (Journal article; Peer reviewed, 2023)To realize the promising potential of radial junction nanowire (NW) array-based solar cells, it is crucial to get physical insight into how the overall photoconversion efficiency (PCE) is impacted by the hole mask properties, ... -
Patterning of the Oxide Mask for Nanowire Growth by Dry Etching
Ueland, Åsmund Stenhaug (Master thesis, 2015)In this master s thesis it is investigated how inductively coupled plasma reactive-ion etching, in combination with hydrofluoric acid wet etching, can be used to produce consistent and reliable nanoscaled holes with a high ... -
Selective Charging Behavior in an Ionic Mixture Electrolyte- Supercapacitor System for Higher Energy and Power
Wang, Xuehang; Mehandzhiyski, Aleksandar Yordanov; Arstad, Bjørnar; Van Aken, Katherine L.; Tyler S., Mathis; Gallegos, Alejandro; Tian, Ziqi; Ren, Dingding; Sheridan, Edel; Grimes, Brian Arthur; Jiang, De-en; Wu, Jianzhong; Gogotsi, Yury; Chen, De (Journal article; Peer reviewed, 2017)Ion–ion interactions in supercapacitor (SC) electrolytes are considered to have significant influence over the charging process and therefore the overall performance of the SC system. Current strategies used to weaken ionic ... -
Single-Mode Near-Infrared Lasing in a GaAsSb-Based Nanowire Superlattice at Room Temperature
Ren, Dingding; Ahtapodov, Lyubomir; Nilsen, Julie Stene; Yang, Jianfeng; Gustafsson, Anders; Huh, Junghwan; Conibeer, G; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge (Journal article; Peer reviewed, 2018)Semiconductor nanowire lasers can produce guided coherent light emission with miniaturized geometry, bringing about new possibilities for a variety of applications including nanophotonic circuits, optical sensing, and ... -
Using FIB-SEM as a Platform for the Positioning and Correlated Characterization of III-V Nanowires
Mosberg, Aleksander Buseth; Ren, Dingding; Fauske, Vidar Tonaas; Fimland, Bjørn-Ove; Van Helvoort, Antonius (Journal article; Peer reviewed, 2018)