Browsing USN Open Archive by Author "Wang, Kaiying"
Now showing items 1-20 of 23
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Black silicon for near-infrared and ultraviolet photodetection: A review
Zhao, Zhou; Zhang, Zengxing; Jing, Junmin; Gao, Rui; Liao, Zhiwei; Zhang, Wenjun; Liu, Guohua; Wang, Yonghua; Wang, Kaiying; Xue, Chenyang (Peer reviewed; Journal article, 2023)As a typical representative of micro/nano-textured silicon, black silicon has excellent light absorption properties and is gradually surfacing as a substitute for standard silicon in photoelectric devices. Black silicon ... -
Boron-induced growth of highly textured Ag (1 1 1) films with nano-tentacle structures for the electrochemical reduction of CO2 to CO
Gustavsen, Kim Robert; Huang, Hao; Johannessen, Erik Andrew; Wang, Kaiying (Peer reviewed; Journal article, 2023)Ag is a cost-effective alternative to Au as a catalyst for the electrochemical reduction of CO2 into CO, but a reduction in the accompanying overpotential is required to make Ag viable. In this study we use B to modulate ... -
Carbon modified silver thin-film catalysts for electrochemical reduction of CO2 to syngas with tunable H2/CO ratio
Gustavsen, Kim Robert; Johannessen, Erik Andrew; Wang, Kaiying (Peer reviewed; Journal article, 2023)This study investigates carbon (C)-modified silver (Ag) thin film catalysts for electrochemical syngas production. The Ag-C catalyst is synthesized using a co-deposition process with separate C and Ag sputtering targets. ... -
A Condensed Excited (Rydberg) Matter: Perspective and Applications
Aasen, Tor Håvard; Zeiner-Gundersen, Dag Herman; Zeiner-Gundersen, Sindre; Ohlckers, Per; Wang, Kaiying (Peer reviewed; Journal article, 2021)A condensed excited matter called Rydberg Matter (RM) have been studied experimentally for 30 years, but have not sparked widespread attention yet, unlike ordinary Rydberg atoms. RM formed by clusters of Rydberg atoms at ... -
Conductive Metal-covalent Organic Frameworks as Novel Catalytic Platforms for Reduction of Nitrate to Ammonia
Huang, Hao; Wang, Kaiying (Peer reviewed; Journal article, 2023)With their abundant metal sites, ordered porous structure and great conductivity, conductive metal–organic frameworks display many excellent single-atom electrocatalytic activities, superior to those of conventional inorganic ... -
DFT Calculation of Carbon-Doped TiO2 Nanocomposites
Gustavsen, Kim Robert; Feng, Tao; Huang, Hao; Li, Gang; Narkiewicz, Urszula; Wang, Kaiying (Peer reviewed; Journal article, 2023)Titanium dioxide (TiO2) has been proven to be an excellent material for mitigating the continuous impact of elevated carbon dioxide concentrations. Carbon doping has emerged as a promising strategy to enhance the CO2 ... -
Effect of photogenerated carrier distribution on performance enhancement of photomultiplication organic photodetectors
Wang, Wenyan; Shi, Linlin; Zhang, Ye; Li, Guohui; Hao, Yuying; Zhu, Furong; Wang, Kaiying; Cui, Yanxia (Peer reviewed; Journal article, 2019)The trap-assisted photomultiplication (PM) organic photodetectors (OPDs) are very attractive for achieving high sensitivity photodetection, with external quantum efficiency (EQE) in excess of 100%. A classic structure of ... -
Engineering flexible dye-sensitized solar cells for portable electronics
Li, Gang; Sheng, Lei; Li, Tingyu; Hu, Jie; Li, Pengwei; Wang, Kaiying (Peer reviewed; Journal article, 2019)With growing demand for economic, eco-friendly, easy-manufacturing and renewable portable power source, flexible dye-sensitized solar cells (FDSSCs) exhibit a promising potential in the field of portable power sources. ... -
Enhanced photoelectric response of plasmon-active ZnO nanorods by spatial modulation of dielectric environment
Liu, Guohua; Dao, Nguyen Duy Phuong; Nguyen, Vy; Du, Kang; Cheng, Chaoqun; Xu, Jinliang; Wang, Kaiying (Peer reviewed; Journal article, 2019)One-dimensional zinc oxide (ZnO) nanorods have excellent electron mobility and exhibit great potential for photoelectric or photochemical applications. However, poor visible light absorption and rapid surface charge ... -
Fabrication of thick anodic films on 304-type stainless steel for binder-free supercapacitors
Wang, Yingge; Li, Gang; Wang, Kaiying; Chen, Xuyuan (Journal article, 2020)We report the fabrication of thick nanoporous oxide films on stainless steel (SS) foils via long-term constant-potential anodization at room temperature. The anodization potential of 50 V was employed for 1, 2 and 3 h, ... -
Full-stainless steel mesh dye-sensitized solar cells based on core-shell ZnO/TiO2 nanorods
Sheng, Lei; Li, Gang; Zhang, Wendong; Wang, Kaiying (Peer reviewed; Journal article, 2019)We report fabrication and photovoltaic properties of flexible dye-sensitized solar cells (FDSSCs) based on stainless steel mesh (SSM)-supported core-shell ZnO/TiO2 nanorods photoanode and Pt nanoparticles- coated SSM counter ... -
Heterojunction engineering on TiO2 nanotubes electrodes and their applications
Du, Kang (Doctoral dissertations at the University of South-Eastern Norway;9, Doctoral thesis, 2018)Abstract With the dramatic progress in nanotechnology, TiO2 nanomaterials have shown blooming applications in the field of energy and environment since the discovery of water photolysis on a TiO2 electrode in 1972. In ... -
In situ growth of hexagonal prism-like Ni(OH)2 microrods on nickel foam as binder-free electrodes
Li, Gang; Chang, Zhuoqing; Li, Tingyu; Wang, Kaiying (Peer reviewed; Journal article, 2019)In this paper, we report in situ growth of hexagonal prism-like Ni(OH)2 microrods via one-step hydrothermal process, where nickel foam is directly oxidized in a high concentration hydrogen peroxide (H2O2) solution without ... -
Inhibiting formation of Zn2+/N179 molecules insulation layer and degradation of ZnO-based dye-sensitized solar cells via quasi-solid-state electrolytes
Li, Gang; Sheng, Lei; Li, Tingyu; Zhang, Wendong; Wang, Kaiying (Peer reviewed; Journal article, 2019)ZnO dye-sensitized solar cells (DSSCs) have been deemed as one of promising solar devices. However, ZnO DSSCs with liquid electrolyte always surfer from dissolution of ZnO film and formation of ZnO2+/Ru-based dye molecules ... -
Photoactive decontamination and reuse of face masks
You, Dingzhang; Liu, Qingyuan; Wang, Lin; Wang, Kaiying; Liu, Guohua (Peer reviewed; Journal article, 2023)The corona virus disease 2019 (COVID-19) pandemic has led to global shortages in disposable respirators. Increasing the recycling rate of masks is a direct, low-cost strategy to mitigate COVID-19 transmission. Photoactive ... -
Plasmon-induced visible light absorption arising from edge-interfaces of titanium-oxides nanocomposites
Cheng, Chaoqun; Gustavsen, Kim Robert; Wang, Kaiying (Peer reviewed; Journal article, 2021)The efficient utilization of visible light on wide-bandgap metal-oxides is a long-term goal but is still a grand challenge for plasmon-driven chemistry. The plasmon-induced concentration of photons in adjacent materials ... -
Raney-platinum thin film electrodes for the catalysis of glucose in abiotically catalyzed micro-glucose fuel cells
Do, Uyen Phuong; Seland, Frode; Wang, Kaiying; Johannessen, Erik Andrew (Peer reviewed; Journal article, 2019)Fuel cells capable of synthetic glucose catalysis have revolved around the implementation of abiotic catalysts that require extreme acid and alkaline environments. These are not compatible with implantable medical sensor ... -
Recent advances on enhancing the multicarbon selectivity of nanostructured Cu-based catalysts
Gustavsen, Kim Robert; Wang, Kaiying (Peer reviewed; Journal article, 2021)The rapid development and affordability of renewable energy sources necessitate innovative energy storage technologies to compensate for their intermittency. The electrochemical reduction of CO2 presents an attractive ... -
Solar-driven plasmonic heterostructure Ti/TiO2−x with gradient doping for sustainable plasmon-enhanced catalysis
Cheng, Chaoqun; Akram, Muhammad Nadeem; Nilsen, Ola; Pryds, Nini; Wang, Kaiying (Journal article; Peer reviewed, 2020)Plasmon-enhanced harvesting of photons has contributed to the photochemical conversion and storage of solar energy. However, high dependence on noble metals and weak coupling in heterostructures constrain the progress ... -
Study of plasmonics induced optical absorption enhancement of Au embedded in titanium dioxide nanohole arrays
Zhao, Ying; Høivik, Nils Deneke; Akram, Muhammad Nadeem; Wang, Kaiying (Journal article; Peer reviewed, 2017)The light absorbing performance of titanium dioxide (TiO2) nanohole arrays partially filled with metallic gold is investigated using analytical methods. As a plasmonic generation element on one-dimensional (1D) TiO2, the ...