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Monolithic DSSC/CIGS tandem solar cell fabricated by a solution process
2015
Scientific Reports
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This method offers the advantage of fabricating CIGS thin films with uniform and wellcontrolled compositions by starting from stoichiometry-controlled CIGS nanoparticles, thereby eliminating the impurity ...
With subsequent sintering of the as-prepared film, the nanoparticles are converted to uniform films of high crystallinity and a large grain OPEN SUBJECT AREAS: SOLAR CELLS TWO-DIMENSIONAL MATERIALS ...
interface between the DSSC and the CIGS. ...
doi:10.1038/srep08970
pmid:25759191
pmcid:PMC4355678
fatcat:s34is3jay5firaggb22xtbhnci
Correlation between preparation parameters and properties of molybdenum back contact layer for CIGS thin film solar cell
2010
2010 35th IEEE Photovoltaic Specialists Conference
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Resistivities were calculated from the sheet resistance and film thickness of each film. Minimum resistivity of 11.9 µΩ•cm was obtained with the Mo thin film deposited at 0.1 mTorr and 250 W. ...
A residual stress analysis was conducted with a bending beam technique with very thin glass strips, and maximum tensile stress of 358 MPa was obtained; however, films did not exhibit a compressive stress ...
CuInSe 2 (CIS) and its alloys have shown long time stability; and highest energy conversion efficiency of 20% [9] , [10] has been achieved by NREL with CIGS/CdS system. ...
doi:10.1109/pvsc.2010.5614740
fatcat:2r64wet5ybdhfjxb5wn6oflhra
Deposition and application of a Mo–N back contact diffusion barrier yielding a 12.0% efficiency solution-processed CIGS solar cell using an amine–thiol solvent system
2019
Journal of Materials Chemistry A
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The use of a Mo–N barrier for solution-processed CIGS results in reduced MoSe2 formation. This enabled longer selenization time, enhanced grain growth and performance. ...
Acknowledgements The authors would like to thank Luke Jones and Dr Patricia Cropper from Loughborough Materials Characterisation Centre (LMCC) for the help with the acquisition and analysis of the XPS ...
Notes and references ...
doi:10.1039/c8ta12089g
fatcat:nbr2zia6fvbhjclluqthhknh7y
Definition and Classification of Power System Stability Revisited & Extended
2020
IEEE Transactions on Power Systems
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Since the publication of the original paper on power system stability definitions in 2004, the dynamic behavior of power systems has gradually changed due to the increasing penetration of converter interfaced ...
generation technologies, loads, and transmission devices. ...
Characteristics of CIGs and Associated Controllers The overall performance of CIGs is dominated by the control systems and the strategy used to control the power electronic converter interface between ...
doi:10.1109/tpwrs.2020.3041774
fatcat:ctlfkjdshbhkbdntul2s2egyy4
Protection and control of microgrids using dynamic state estimation
2018
Protection and Control of Modern Power Systems
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High penetration of Converter Interfaced Generations (CIGs) presents challenges in both microgrid (μGrid) circuit and other system with CIG resources, such as wind farms and PV plants. ...
To address the above challenges, this paper proposes a Dynamic State Estimation (DSE) based algorithm for protection and control of systems with substantial CIG resources such as a μGrid. ...
Conclusion Converter Interfaced Generations (CIGs) bring significant challenges in μGrid protection and CIG control. ...
doi:10.1186/s41601-018-0104-2
fatcat:2xgqidmegzedld7kz2w5papbqu
Guest Editorial: Challenges and New Solutions for Enhancing Ancillary Services and Grid Resiliency in Low Inertia Power Systems
2020
IET Generation, Transmission & Distribution
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Incentivised by environmental concerns and energy security risks, converter-interfaced generation (CIG) and a fleet of renewable energy sources have been extensively penetrated around the world over the ...
of converter-interfaced distributed renewable energy sources' by Gkavanoudis et al., investigates the possibility of deploying conventional overcurrent protection devices without any additional protection ...
doi:10.1049/iet-gtd.2020.1491
fatcat:mx7fjreho5gijpz3e64yhlmlcu
A Hybrid Simulation of Converter-Interfaced Generation as the Part of a Large-Scale Power System Model
2021
International Journal of Engineering and Technology Innovation
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Within the framework of this approach, a specialized hybrid processor for modeling converter-interfaced generation (CIG) is developed. ...
This study describes its structure and validation in the test system by comparing the results with commercial modeling tools, and also presents experimental studies of its operation as parts of the practical ...
Conflicts of Interest The authors declare no conflict of interest. ...
doi:10.46604/ijeti.2021.7276
fatcat:74wew544urbxnn7r6u4nqkbs2u
Management of Voltage Flexibility from Inverter-Based Distributed Generation Using Multi-Agent Reinforcement Learning
2021
Energies
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The increase in the use of converter-interfaced generators (CIGs) in today's electrical grids will require these generators both to supply power and participate in voltage control and provision of grid ...
At the same time, new possibilities of secondary QU droop control in power grids with a large proportion of CIGs (PV panels, wind generators, micro-turbines, fuel cells, and others) open new ways for DSO ...
However, with effective coordination, DSOs can employ converter-interfaced generation (CIG) to monitor voltage and manage power losses. ...
doi:10.3390/en14248270
fatcat:rx2pgsoudjd35my52k46jozdmi
Towards efficient solar-to-hydrogen conversion: Fundamentals and recent progress in copper-based chalcogenide photocathodes
2016
Nanophotonics
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AbstractPhotoelectrochemical (PEC) water splitting for hydrogen generation has been considered as a promising route to convert and store solar energy into chemical fuels. ...
In terms of its large-scale application, seeking semiconductor photoelectrodes with high efficiency and good stability should be essential. ...
Characterization of annealed films revealed that a single phase chalcopyrite CIGS film with a compact morphology and well-controlled composition was prepared. ...
doi:10.1515/nanoph-2016-0027
fatcat:yyzb2ynjbrdsnfaumnjgbo2tam
Simulation of Low Inertia Power Systems Based on Shifted Frequency Analysis
2021
Energies
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New types of power system transients with lower time constants are emerging due to the replacement of synchronous generation with converter interfaced generation and are challenging the modeling approaches ...
The analysis was carried out for systems with converter interfaced and synchronous generation whilst considering the simulation step size as a crucial influence parameter. ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/en14071860
fatcat:jq3qj7k22zezlmiwdrzlnl4l34
Progress in Polycrystalline Thin-Film Cu(In,Ga)Se2Solar Cells
2010
International Journal of Photoenergy
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Efficiency of solar cells depends upon the various deposition methods as they control optoelectronic properties of the layers and interfaces. ...
For some time, the chalcopyrite semiconductor CuInSe2and its alloy with Ga and/or S [Cu(InGa)Se2or Cu(InGa)(Se,S)2], commonly referred as CIGS, have been leading thin-film material candidates for incorporation ...
Abdul Khader and Ms. Krishna Dalai, for their support during the work. This ...
doi:10.1155/2010/468147
fatcat:kmi44zrwmfcoznyarxhqxsf2oe
Phasor Modelling Approaches and Simulation Guidelines of Voltage-Source Converters in Grid-Integration Studies
2022
IEEE Access
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With the large integration of converter-interfaced generation (CIG) and widespread of power electronic interfaced technologies, power system dynamic behaviour is becoming progressively faster. ...
It also presents several EMT and Phasor models suited to simulate converter-interfaced generation (CIG) and renewable energy resources connected to power systems. ...
However, with the large integration of converter-interfaced generation (CIG) and widespread of power electronics-interfaced technologies, power system dynamic behaviour is becoming progressively faster ...
doi:10.1109/access.2022.3174958
fatcat:6icrzfnylrexbdoqltn7yk3j3m
The Next Frontier: Electrodeposition for Solar Cell Fabrication
2011
The Electrochemical Society Interface
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As with CuInS 2 and CIGS, the advantage of this approach is the improved control of the composition of the CZTS, which is achieved by controlling the order of deposition of the metal layers and their thickness ...
the early '90s during the research and development phase of this material system. ...
doi:10.1149/2.f06112if
fatcat:j33exvpzc5at5obx3hztq6ylui
E-cigarettes induce toxicological effects that can raise the cancer risk
2017
Scientific Reports
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Contrary to the general belief that the lack of tobacco combustion typical of electronic nicotine-delivery systems avoids the production of harmful chemicals, the high temperature reached by e-cig solutions ...
The aim of the present study was to investigate several toxicological aspects associated with e-cig use including their mutagenic and co-mutagenic potential in a rat model. ...
This work was supported by funds from Alma Mater Studiorum University of Bologna (RFO), University of Parma, University of Florence and the National Research Council (CNR) of Pisa. ...
doi:10.1038/s41598-017-02317-8
pmid:28515485
pmcid:PMC5435699
fatcat:j6figxh3inawzgajw2v7nmwkuq
Efficient Low-Cost Materials for Solar Energy Applications: Roles of Nanotechnology
[chapter]
2018
Recent Developments in Photovoltaic Materials and Devices [Working Title]
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The second-generation PV cell technologies include a-Si, CdTe and Cu(In,Ga)Se 2 ), Cu(In,Ga)Se 2 (CIGS) cells. ...
Subsequently, photovoltaic (PV) solar system is seen as the most versatile and the largest source of electricity for the future globally. ...
Acknowledgements The authors would like to thank the financial support from National Research Foundation (NRF) of South Africa and Global Excellence Scholarship from the University of Johannesburg. ...
doi:10.5772/intechopen.79136
fatcat:mfj3sc5z5zhxdlakgipcw6ygt4
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