Results 31 to 40 of about 21,764 (264)

Charge Generation and Recombination Pathways in All‐Polymer Bulk Heterojunction Solar Cells

Advanced Functional Materials, EarlyView.
Multimodal spectroscopy and device analysis reveal how field‐dependent charge generation, transport limitations, and non‐geminate recombination govern performance losses in all polymer solar cells. The results identify the key processes controlling charge extraction and recombination, providing insights for the design of more efficient all‐polymer ...
Shahidul Alam, Wejdan Althobaiti, Safakath Karuthedath, Christopher E. Petoukhoff, Amr Dahman, Khawla Alkhezaim, Oleksandr Matiash, José P. Jurado, Mariia Ferree, Ning Su, Jacob Blaskovits, Denis Andrienko, Vladimir Dyakonov, Andreas Sperlich, Vojtech Nádaždy, Tobin J. Marks, Antonio Facchetti, Frédéric Laquai   +17 more
wiley   +1 more source

Modeling of Simplified Photovoltaic Module for Maximum Power Point Tracking [PDF]

Journal of Electrical and Electronics Engineering, 2022
The mathematical modeling of solar photovoltaic system is accurate model is essential due to highly demand of electric energy and problem due to conventional thermal power plant recently, more attention is given to solar photovoltaic based generation. PV
SINGH Bipin, VERMA Arunima, GIRI Vinod Kumar   +2 more
doaj  

Reconstructing Quantum Dot Surfaces via Dual‐Functional Ligand Pairing Enables Efficient Shortwave Infrared Optoelectronics

Advanced Functional Materials, EarlyView.
This work presents a ligand‐pairing strategy that reconstructs lead sulfide quantum dot surfaces for efficient short‐wave infrared optoelectronics. A low‐reactivity thiourea precursor combined with hydrobromic acid enables monodisperse and fully passivated quantum dots.
Dongeon Kim, Minjung Yang, Yunjin Lee, Gaeun Cho, Min‐Jae Si, Jaewoo Jeong, Seoryeon Jeong, Sol‐Hee Kim, Taeho Han, Seungin Jee, Byeong‐Chan Kim, Woong Kim, Seungmin Lee, Jun Hong Noh, Han Seul Kim, Yujin Jung, Se‐Woong Baek   +16 more
wiley   +1 more source

Spiro‐Phenothiazine Hole‐Transporting Materials: Unlocking Stability and Scalability in Perovskite Solar Cells

Advanced Materials, EarlyView.
Fluorene‐functionalized spiro‐phenothiazine (PTZ‐Fl) exhibits strong Li+ affinity and thermal stability, enabling a PCE of 25.75% in small‐area cells and 22.07% in 25 cm2 modules. Under ISOS‐L3 conditions, PTZ‐Flbased devices retain over 80% efficiency after 1000 hours, demonstrating superior stability and scalability compared to spiro‐OMeTAD for next ...
Javier Urieta‐Mora, Seung Ju Choi, Jaeki Jeong, Silvia Orecchio, Inés García‐Benito, Manuel Pérez‐Escribano, Joaquín Calbo, Likai Zheng, Minseop Byun, Seyeong Song, Gi‐Hwan Kim, Shaik M. Zakeeruddin, Seog‐Young Yoon, Yimhyun Jo, Agustín Molina‐Ontoria, Enrique Ortí, Nazario Martín, Michael Grätzel   +17 more
wiley   +1 more source

A review on enhancement of solar photovoltaic PV system performance with water-based nano-fluid cool

Journal of Thermal Engineering
Photovoltaic cooling systems are emerging as an interesting research area globally with the in-creasing demand for solar photovoltaic power generation. As the operating temperature of so-lar photovoltaic modules negatively impacts the efficiency of solar
Vimukkthi Vithange PRIYADARSHANA, Ashan INDURANGA, Chanaka GALPAYA, Amalka INDUPAMA SAMARATHUNGA, Kaveenga KOSWATTAGE   +4 more
doaj   +1 more source

Design of floating solar PV system for typical household on Debre Mariam Island

Cogent Engineering, 2020
Solar PV is possible alternative renewable energy resources, particularly for rural electrification. Its high demand growth may cause for land scarcity, and this will be a serious problem in countries like Ethiopia where agriculture is main source of ...
Biniyam Zemene Taye, Abraham Hizkiel Nebey, Tewodros Gera Workineh   +2 more
doaj   +1 more source

Simple and Fast Dynamic Photovoltaic Emulator based on a Physical Equivalent PV‐cell Model

The Journal of Engineering, 2021
Photovoltaic emulators are a specific type of power electronics system to mimic the behaviour of a photovoltaic (PV) panel or array and facilitate the testing of energy systems.
Habes A. Khawaldeh, Mohammad Al‐soeidat, Dylan Dah‐Chuan Lu, Li Li   +3 more
doaj   +1 more source

An Experimental and Comparative Performance Evaluation of a Hybrid Photovoltaic-Thermoelectric System

Frontiers in Energy Research, 2021
The majority of incident solar irradiance causes thermalization in photovoltaic (PV) cells, attenuating their efficiency. In order to use solar energy on a large scale and reduce carbon emissions, their efficiency must be enhanced.
Muhammad Ahsan Iqbal Khan, Muhammad Irfan Khan, Ali Hussain Kazim, Aqsa Shabir, Fahid Riaz, Nauman Mustafa, Hassan Javed, Ali Raza, Mohsin Hussain, Chaudhary Awais Salman   +9 more
doaj   +1 more source

Azaporphyrinoid‐Based Photo‐ and Electroactive Architectures for Advanced Functional Materials

Advanced Materials, EarlyView.
A long‐standing collaboration between the Torres and Guldi groups has yielded diverse azaporphyrinoid‐based donor‐acceptor nanohybrids with promising applications in solar energy conversion. This conspectus highlights key molecular platforms and structure‐function relationships that govern light and charge management, supporting the rational design of ...
Jorge Labella, Kobra Azizi, Dirk M. Guldi, Tomás Torres   +3 more
wiley   +1 more source

Photovoltaic Inverter Fault Prediction Technology Based on t-SNE Manifold Learning and Fast Clustering Algorithm

Zhongguo dianli, 2020
As the key component of solar photovoltaic power generation system, photovoltaic inverter directly affects the safety and stable operation of power systems.
Xiaochen ZHANG, Jinda ZHU, Dongmei YANG, Yonghua CHEN, Wei DU   +4 more
doaj   +1 more source