T. F. Alhamada

Bio: T. F. Alhamada is an academic researcher. The author has contributed to research in topics: Fabrication & Materials science. The author has an hindex of 1, co-authored 1 publications receiving 1 citations.

A Brief Review of the Role of 2D Mxene Nanosheets toward Solar Cells Efficiency Improvement.

Abstract: This article discusses the application of two-dimensional metal MXenes in solar cells (SCs), which has attracted a lot of interest due to their outstanding transparency, metallic electrical conductivity, and mechanical characteristics. In addition, some application examples of MXenes as an electrode, additive, and electron/hole transport layer in perovskite solar cells are described individually, with essential research issues highlighted. Firstly, it is imperative to comprehend the conversion efficiency of solar cells and the difficulties of effectively incorporating metal MXenes into the building blocks of solar cells to improve stability and operational performance. Based on the analysis of new articles, several ideas have been generated to advance the exploration of the potential of MXene in SCs. In addition, research into other relevant MXene suitable in perovskite solar cells (PSCs) is required to enhance the relevant work. Therefore, we identify new perspectives to achieve solar cell power conversion efficiency with an excellent quality–cost ratio.

MXene Based Nanocomposites for Recent Solar Energy Technologies

Abstract: This article discusses the design and preparation of a modified MXene-based nanocomposite for increasing the power conversion efficiency and long-term stability of perovskite solar cells. The MXene family of materials among 2D nanomaterials has shown considerable promise in enhancing solar cell performance because of their remarkable surface-enhanced characteristics. Firstly, there are a variety of approaches to making MXene-reinforced composites, from solution mixing to powder metallurgy. In addition, their outstanding features, including high electrical conductivity, Young’s modulus, and distinctive shape, make them very advantageous for composite synthesis. In contrast, its excellent chemical stability, electronic conductivity, tunable band gaps, and ion intercalation make it a promising contender for various applications. Photovoltaic devices, which turn sunlight into electricity, are an exciting new area of research for sustainable power. Based on an analysis of recent articles, the hydro-thermal method has been widely used for synthesizing MXene-based nano-composites because of the easiness of fabrication and low cost. Finally, we identify new perspectives for adjusting the performance of MXene for various nanocomposites by controlling the composition of the two-dimensional transition metal MXene phase.

MXene-Based Materials for Solar Cell Applications

Abstract: MXenes are a class of two-dimensional nanomaterials with exceptional tailor-made properties, making them promising candidates for a wide variety of critical applications from energy systems, optics, electromagnetic interference shielding to those advanced sensors, and medical devices. Owing to its mechano-ceramic nature, MXenes have superior thermal, mechanical, and electrical properties. Recently, MXene-based materials are being extensively explored for solar cell applications wherein materials with superior sustainability, performance, and efficiency have been developed in demand to reduce the manufacturing cost of the present solar cell materials as well as enhance the productivity, efficiency, and performance of the MXene-based materials for solar energy harvesting. It is aimed in this review to study those MXenes employed in solar technologies, and in terms of the layout of the current paper, those 2D materials candidates used in solar cell applications are briefly reviewed and discussed, and then the fabrication methods are introduced. The key synthesis methods of MXenes, as well as the electrical, optical, and thermoelectric properties, are explained before those research efforts studying MXenes in solar cell materials are comprehensively discussed. It is believed that the use of MXene in solar technologies is in its infancy stage and many research efforts are yet to be performed on the current pitfalls to fill the existing voids.

Towards Integration of Two-Dimensional Hexagonal Boron Nitride (2D h-BN) in Energy Conversion and Storage Devices

Abstract: The prominence of two-dimensional hexagonal boron nitride (2D h-BN) nanomaterials in the energy industry has recently grown rapidly due to their broad applications in newly developed energy systems. This was necessitated as a response to the demand for mechanically and chemically stable platforms with superior thermal conductivity for incorporation in next-generation energy devices. Conventionally, the electrical insulation and surface inertness of 2D h-BN limited their large integration in the energy industry. However, progress on surface modification, doping, tailoring the edge chemistry, and hybridization with other nanomaterials paved the way to go beyond those conventional characteristics. The current application range, from various energy conversion methods (e.g., thermoelectrics) to energy storage (e.g., batteries), demonstrates the versatility of 2D h-BN nanomaterials for the future energy industry. In this review, the most recent research breakthroughs on 2D h-BN nanomaterials used in energy-based applications are discussed, and future opportunities and challenges are assessed.

Highly Sandwich-structured Silver Nanowire Hybrid Transparent Conductive Films for Flexible Transparent Heater Applications

Abstract: Hybridization with other materials has been an effective method to improve the photoelectric performance and stability of silver nanowire (AgNW) based transparent conductive films (TCFs). In the work, hybrid TCFs with a sandwiched structure composed of MXene, AgNW, and graphene were proposed. MXene sheets in the bottom acted as the intermediate layer between substrates and AgNWs could significantly improve the adhesion, graphene could be used as protective layer, and both filled the AgNW network to improve conductivity and flatness. As a result, the TCF displayed good photoelectric performance (14.4 Ω/sq with 87.5% transmittance at 550 nm), low surface roughness, enhanced adhesion and stability. Furthermore, transparent heaters (THs) were fabricated with the MXene/AgNW/graphene hybrid TCFs. The THs exhibited uniform heating distribution, fast thermal response, good repeatability and long-term working stability. Therefore, flexible THs proposed are expected to be widely used in defogging systems, smart windows, and other flexible electronic devices.

Electronic Nanodevices

Abstract: The new phenomena observed in nanodevices and the related technological challenges of fabrication and manipulation at the nanoscale have spurred intense theoretical, simulation and experimental research activity [...].