Results 111 to 120 of about 2,969,306 (300)

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

Advanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source

n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz

Advanced Materials, EarlyView.
Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis, Filip Aniés, Yiyang Yu, Mohammed Ghadiyali, Hendrik Faber, Zhanibek Bizak, Youssef Kabri, Pavlos Tzourmpakis, Suman Mandal, Linqu Luo, Temur Maksudov, Mohamad Insan Nugraha, Harold F. Mazo‐Mantilla, Patrice Vanelle, Julie Broggi, Khaled N. Salama, Udo Schwingenschlögl, Martin Heeney, Atif Shamim, Thomas D. Anthopoulos   +19 more
wiley   +1 more source

5G Networks Based on Software Defined Network

Iraqi Journal of Information & Communication Technology
A software-defined network (SDN) based 5G architecture that utilizes three controllers to improve network performance is proposed in this paper. The controllers are responsible for managing functions related to access mechanism, core connectivity ...
Noor I. Khalaf, Abdulkareem A. Kadhim
doaj   +1 more source

D2.1 5G Security: Current Status and Future Trends

, 2020
This Deliverable presents the current security landscape of 5G networks, as well as the evolution of requirements and trends in 5G security. It includes a summary of the 5G threat landscape, the 5G networks classification criteria and their threat ...
Diego Lopez, Orestis Mavrooulos, Ricard Vilalta, Anastasios Kafchitsas, Antonio Pastor, Morgan Chopin, Laia Nadal, Grant Millar, Kahina Lazri, George Xilouris, Sonia Fernandez, Vincent Lefebvre, Muhammad Farooq, Chafika Benzaid, Othmane Hireche, Bernhard Tellenbach, Chrystel Gaber, Dang Yongchao, Jordi Ortiz, Stavros Kolometsos, Francisco Vázquez-Gallego, Edgardo Montes de Oca, Tarik Taleb, Jose Manuel Sanchez Vilchez, Maria Christopoulou, Gürkan Gür, Huu Nghia Nguyen, Mohammed Boukhalfa, Jean-Luc Grimault, Anastasios Kourtis   +29 more
core   +1 more source

When Poor Exciton Dissociation Limits Photocurrents in Organic Solar Cells: Why Low Offset Non‐Fullerene Acceptor Blends Can't Be Efficient

Advanced Materials, EarlyView.
The energetic offset between the donor and the acceptor components in organic photoactive layers is central to the tradeoff between photovoltage and photocurrent losses. This Perspective covers the most important issues surrounding this topic in non‐fullerene acceptor blends, from the difficulty of accurately determining state energies and driving ...
Dieter Neher, Manasi Pranav
wiley   +1 more source

Realizing the Frugal 5G Network

CoRR, 2019
In order to make effective use of the Internet, broadband connectivity is a pre-requisite. However, in the majority of rural areas in developing countries, high-speed connectivity is unavailable. The Frugal 5G network architecture presented in this paper aims at enabling broadband in rural areas by addressing the challenges associated with it. The work
Meghna Khaturia, Pranav Jha, Abhay Karandikar   +2 more
openaire   +3 more sources

Visible light communications in heterogeneous networks: pave the way for user-centric design

, 2015
At the time of writing, there is substantial research interest in the subject of Visible Light Communications (VLC) owing to its capability of offering significant traffic offloading potential in highly crowded Radio Frequency (RF) scenarios.
Wang, Jiaheng, Wang, Zhaocheng, Xu, Zhengyuan, Zhao, Chunming, Zhang, Rong, Hanzo, Lajos   +5 more
core   +1 more source

Phase Engineering of Atomically Precise Nanoclusters (APNCs) of Gold and Beyond

Advanced Materials, EarlyView.
Engineering the structural phase of materials is of paramount importance for both fundamental research and practical applications. In this Review, we summarize the recent progress in controlling the phases of atomically precise nanoclusters (APNCs) of gold, silver and copper, as well as bimetallic systems. The phase‐enabled material properties of APNCs
Yitong Wang, Avirup Sardar, Weijie Ji, Zhongyu Liu, Rongchao Jin   +4 more
wiley   +1 more source

Phase Engineering of Nanomaterials (PEN): Evolution, Current Challenges, and Future Opportunities

Advanced Materials, EarlyView.
This review summarizes the synthesis, phase transition, advanced characterization spanning ex situ to in situ and operando techniques, and diverse applications of phase engineering of nanomaterials (PEN). It further outlines key challenges and future opportunities, such as phase stability, architecture control, and artificial intelligence (AI)‐driven ...
Ye Chen, Zhanxi Fan, Jingjie Ge, Qiyuan He, Zhuangchai Lai, Jiawei Liu, Chaoliang Tan, Hua Zhang   +7 more
wiley   +1 more source

5G-ENSURE - D2.1 Use Cases

, 2016
This document describes a number of use cases illustrating security and privacy aspects of 5G networks. Based on similarities in technical, service and/or business-model related aspects, the use cases are grouped into use case clusters covering a wide ...
Giustolisi, Rosario, Mammela, Olli, Klaedtke, Felix, Lendrino, Gorka, Selander, Goran, Nasser, Bassem, Sanchez, Jose, Wary, Jean-Philippe, Arfaoui, Ghada, Svensson, Martin, Phillips, Stephen, Baltatu, Madalina, Heikkinen, Seppo, Lehtovirta, Vesa, Torvinen, Vesa, Costa, Luciana, O'Hanlon, Piers, Vehkapera, Janne, Salas, Carla, Nasland, Mats, Zahariev, Alexander, Suomalainen, Jani, Pernila, Tommi   +22 more
core   +1 more source