Results 21 to 30 of about 436,174 (296)

Laser Enhanced Hydrogen Passivation of Silicon Wafers

International Journal of Photoenergy, 2015
The application of lasers to enable advanced hydrogenation processes with charge state control is explored. Localised hydrogenation is realised through the use of lasers to achieve localised illumination and heating of the silicon material and hence ...
Lihui Song, Alison Wenham, Sisi Wang, Phillip Hamer, Mohammad Shakil Ahmmed, Brett Hallam, Ly Mai, Malcolm Abbott, Evatt R. Hawkes, CheeMun Chong, Stuart Wenham   +10 more
doaj   +1 more source

Photovoltaic and impedance spectroscopy characterization of single-junction a-Si:H p–i–n solar cells deposited by simple shadow masking techniques using PECVD

AIP Advances, 2020
Hydrogenated amorphous silicon p–i–n solar cells with a 1 × 1 cm2 active surface area were fabricated using shadow masks on the 20 × 20 cm2 glass substrate coated with a fluorine-doped tin oxide film. The intrinsic, n-type hydrogenated amorphous silicon (
Kawtar Belrhiti Alaoui, Saida Laalioui, Zakaria Naimi, Badr Ikken, Abdelkader Outzourhit   +4 more
doaj   +1 more source

Enhancement in the Efficiency of Sb2Se3 Solar Cells by Triple Function of Lithium Hydroxide Modified at the Back Contact Interface

Advanced Science, 2023
The efficiency of antimony selenide (Sb2Se3) solar cells is still limited by significant interface and deep‐level defects, in addition to carrier recombination at the back contact surface.
Huafei Guo, Shan Huang, Honcheng Zhu, Tingyu Zhang, Kangjun Geng, Sai Jiang, Ding Gu, Jian Su, Xiaolong Lu, Han Zhang, Shuai Zhang, Jianhua Qiu, Ningyi Yuan, Jianning Ding   +13 more
doaj   +1 more source

Study on the Effect of Irradiance Variability on the Efficiency of the Perturb-and-Observe Maximum Power Point Tracking Algorithm

Energies, 2022
Irradiance variability is one of the main challenges for using photovoltaic energy. This variability affects the operation of maximum power point trackers (MPPT) causing energy losses.
Victor Arturo Martinez Lopez, Ugnė Žindžiūtė, Hesan Ziar, Miro Zeman, Olindo Isabella   +4 more
doaj   +1 more source

Toward high‐efficiency stable 2D/3D perovskite solar cells by incorporating multifunctional CNT:TiO2 additives into 3D perovskite layer

EcoMat, 2022
The power conversion efficiency (PCE) of 2D/3D perovskite solar cells (PSCs) is still significantly low compared with 3D PSCs due to the poor charge transport ability of 2D perovskite thin films and a large number of defects in 3D thin films.
Mengqi Jin, Huilin Li, Qiang Lou, Qing Du, Qingsong Huang, Zhitao Shen, Fumin Li, Chong Chen   +7 more
doaj   +1 more source

Effects on Amorphous Silicon Photovoltaic Performance from High-temperature Annealing Pulses in Photovoltaic Thermal Hybrid Devices [PDF]

, 2012
There is a renewed interest in photovoltaic solar thermal (PVT) hybrid systems, which harvest solar energy for heat and electricity. Typically, a main focus of a PVT system is to cool the photovoltaic (PV) cells to improve the electrical performance ...
Harrison, S. J., Pathak, M. J. M., Pearce, J. M.   +2 more
core   +5 more sources

Miniaturized Stretchable and High-Rate Linear Supercapacitors

Nanoscale Research Letters, 2017
Linear stretchable supercapacitors have attracted much attention because they are well suited to applications in the rapidly expanding field of wearable electronics.
Wenjun Zhu, Yang Zhang, Xiaoshuang Zhou, Jiang Xu, Zunfeng Liu, Ningyi Yuan, Jianning Ding   +6 more
doaj   +1 more source

Thermally Conductive Backsheets (TCB) of PV Modules: Positive Impacts on Performance, Lifetime and LCOE

Energies, 2021
The operating temperatures of photovoltaic (PV) modules can be impacted by the selection of specific packaging materials, e.g., backsheets and encapsulants. This research focuses on the evaluation of operating temperature reduction of one-cell modules by
Ashwini Pavgi, Jaewon Oh, GovindaSamy TamizhMani   +2 more
doaj   +1 more source

Assessment of the photovoltaic potential at urban level based on 3D city models: A case study and new methodological approach [PDF]

, 2017
The use of 3D city models combined with simulation functionalities allows to quantify energy demand and renewable generation for a very large set of buildings.
Duminil, Eric, Eicker, Ursula, Romero Rodríguez, Laura, Sánchez Ramos, José   +3 more
core   +1 more source

Electrical performance of a fully reconfigurable series-parallel photovoltaic module

Nature Communications, 2023
Reconfigurable photovoltaic modules are a promising approach to improve the energy yield of partially shaded systems. So far, the feasibility of this concept has been evaluated through simulations or simplified experiments.
Andres Calcabrini, Mirco Muttillo, Miro Zeman, Patrizio Manganiello, Olindo Isabella   +4 more
doaj   +1 more source