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Mesoporous SiO2/BiVO4/CuOx nanospheres for Z-scheme, visible light aerobic C–N coupling and dehydrogenation
(2019)In light of the growing demand to use renewable energy, we have synthesized a mesoporous bismuth vanadate-copper oxide-silica photocatalyst (SiO2/BiVO4/CuOx) to act as a chromophore in a Z-scheme system. These photocatalysts ... -
Low threshold and efficient multiple exciton generation in halide perovskite nanocrystals
(2018)Multiple exciton generation (MEG) or carrier multiplication, a process that spawns two or more electron–hole pairs from an absorbed high-energy photon (larger than two times bandgap energy Eg), is a promising way to augment ... -
Ultrafast THz photophysics of solvent engineered triple-cation halide perovskites
(2018)Solution processed thin film organic-inorganic perovskites are key to the large scale manufacturing of next generation wafer scale solar cell devices. The high efficiency of the hybrid perovskite solar cells is derived ... -
Distributed hierarchical control of AC microgrid operating in grid-connected, islanded and their transition modes
(2018)In this paper, a distributed hierarchical control is proposed for ac microgrid, which could apply to both grid-connected (GC) mode and islanded (IS) mode as well as mode transitions. The control includes three control ... -
Investigation of selenization and various CBD CdS deposition conditions to fabricate high performing spray pyrolysis synthesized Cu(In,Ga)(S,Se) 2 solar cells
(2017)Semiconducting thin-films of CIGS were deposited by spray pyrolysis of aqueous precursor solutions. The as-sprayed thin films were then selenized at different temperatures and durations to obtain the optimized selenization ... -
Multi-energy scheduling using a hybrid systems approach
(2018)This paper presents a mixed logical dynamical (MLD) approach for modelling a multi-energy system. The electrical and thermal energy streams are linked through the operation of combined cycle power plants (CCPPs). The MLD ... -
The unified creep-fatigue equation for stainless steel 316
(2016)Background—The creep-fatigue properties of stainless steel 316 are of interest because of the wide use of this material in demanding service environments, such as the nuclear industry. Need—A number of models exist to ... -
Hierarchical Porous LiNi1/3Co1/3Mn1/3O2 nano-/micro spherical cathode material : minimized cation mixing and improved Li+ mobility for enhanced electrochemical performance
(2016)Although being considered as one of the most promising cathode materials for Lithium-ion batteries (LIBs), LiNi1/3Co1/3Mn1/3O2 (NCM) is currently limited by its poor rate performance and cycle stability resulting from the ... -
Coherent spin and quasiparticle dynamics in solution-processed layered 2D lead halide perovskites
(2018)Layered 2D halide perovskites with their alternating organic and inorganic atomic layers that form a self‐assembled quantum well system are analogues of the purely inorganic 2D transition metal dichalcogenides. Within their ... -
Harvesting 3D multiphysics modeling techniques for smart and sustainable university campus
(2017)The EcoCampus Initiative is a novel flagship RD&D programme built on applied research and test-bedding of innovative technologies. The initiative covers the whole of Nanyang Technological University’s (NTU) 200-hectare ... -
Improving liquefaction process of microgrid scale Liquid Air Energy Storage (LAES) through waste heat recovery (WHR) and absorption chiller
(2017)Liquid air energy storage systems (LAES) store liquid air produced by a liquefaction cycle and convert it into electric/cooling power when needed. A small-scale Liquid air energy storage system represents a sustainable ... -
Planning tool for polygeneration design in microgrids
(2017)This work suggests a methodology to assist the designer during the planning phase of microgrids and eco-districts. A mixed integer linear programming model is designed to mathematically describe the different energy systems ... -
Sustainability assessment of a laboratory building: case study of highest rated laboratory building in Singapore using Green Mark rating system
(2017)Laboratory intensive buildings pose a distinctive challenge in sustainable building design, since they represent energy guzzling spaces due to unique operation and energy demanding activities. Academic Block North (ABN), ... -
Dynamic exergetic and environmental assessments of the small scale LNG cold utilized micro power generation systems
(2017)The present paper investigates the dynamic energetic, exergetic and environmental performances of two different small-scale LNG cold utilized micro-cogeneration systems under the different climate conditions. The hourly ... -
Load and renewable energy forecasting for a microgrid using persistence technique
(2017)A microgrid system, be it connected to the utility grid or an independent system, usually consists of a mix of generation - renewable and non-renewable; loads - controllable or non-controllable and Energy Storage Systems ... -
Smart community based solution for energy management : an experimental setup for encouraging residential and commercial consumers participation in demand response program
(2017)Smart grid technology development progression has created a possibility for the end users’ participation in the electricity market possible. Recently, the Singapore government has changed the rule for participation in the ... -
Non-eutectic phase change materials for cold thermal energy storage
(2017)Phase change materials provide high-density thermal energy storage and a wide range of temperatures are required to meet different storage applications for cascaded thermal storage systems. Thus, non-eutectic phase change ... -
Techno-economic analysis of waste heat recovery with ORC from fluctuating industrial sources
(2017)A significant portion of the consumed energy by the industrial sector is rejected as waste heat in the medium temperature range. Organic Rankine Cycles (ORC) are a valuable technology to recover the available waste heat ... -
Response time characterization of Organic Rankine Cycle evaporators for dynamic regime analysis with fluctuating load
(2017)The Organic Rankine Cycle (ORC) is one of the main technologies for recovery of low grade heat. However, many of the applications, especially waste heat recovery, present the challenge of thermal power fluctuations of the ... -
A micro cogeneration system with LNG cold utilization-part 2 : exergy analyses
(2017)Exergy analyses provide to investigate the available work performance of thermal cycles. In this study, exergy analyses have been conducted for the conventional micro-cogeneration system and the Liquefied Natural Gas (LNG) ...
