Journal of Advanced Research in Nanoscience and Nanotechnology

Fabrication of Nanodevices: Current Trends and Future Perspectives

Shailesh Kumar — Sun, 20 Oct 2024 00:00:00 +0000

The rapid evolution of nanotechnology has spurred significant advancements in the fabrication of nanodevices, which are integral to various fields, including electronics, medicine, and energy. This review article explores the current methodologies in nanodevice fabrication, focusing on top-down and bottom-up approaches, the materials utilized, and the emerging applications of these devices. Top-down methods, such as lithography and etching, enable precise patterning at the nanoscale, while bottom-up techniques, including self-assembly and chemical vapor deposition, offer scalable solutions for creating complex nanostructures. The choice of materials, including metals, semiconductors, and polymers, plays a crucial role in determining the performance and functionality of nanodevices. Furthermore, the article discusses the challenges faced in the field, such as scalability, material compatibility, and regulatory concerns. By highlighting recent advancements and innovations, this review aims to provide insights into the future directions of nanodevice fabrication, emphasizing the potential for transformative applications across multiple industries. Ultimately, a comprehensive understanding of these technologies is essential for harnessing the full capabilities of nanodevices in addressing contemporary challenges.

Advances in Nanomanufacturing: Techniques, Applications, and Future Directions

Khushboo Upadhyay — Sun, 20 Oct 2024 00:00:00 +0000

Nanomanufacturing, the process of designing and producing materials and devices at the nanometer scale, is a critical enabler for numerous scientific and industrial advancements. It combines principles of chemistry, physics, biology, and engineering to produce nanomaterials with specific properties and functions, making it essential for innovation across various sectors. The integration of nanotechnology into manufacturing has significantly impacted fields such as healthcare, electronics, energy, and environmental science, paving the way for breakthroughs in drug delivery systems, flexible electronics, and renewable energy technologies. This review highlights the current nanomanufacturing techniques, including top-down, bottom-up, and hybrid approaches, while detailing their applications and contributions to various industries. Additionally, we address the challenges faced in scaling these processes and the ongoing efforts to ensure safety and standardization. Finally, we explore future trends in nanomanufacturing, emphasizing the role of automation, artificial intelligence, and sustainable practices in shaping the next generation of nanomaterials and devices. By providing a comprehensive overview, this article aims to inform researchers and industry stakeholders of the latest advancements and the potential of nanomanufacturing in driving technological progress.

Advances in Nanodevice Fabrication: Techniques, Challenges, and Future Prospects

Meghana Mishra, Karishma Dubey — Mon, 07 Oct 2024 00:00:00 +0000

The field of nanodevice fabrication has witnessed remarkable advancements over the past few decades, significantly impacting numerous sectors, including electronics, medicine, and energy. Nanodevices, owing to their miniature size, exhibit unique physical and chemical properties, enabling innovations in high-performance applications. This review aims to discuss the major fabrication techniques, challenges faced in scaling up nanodevices, and the future prospects of nanotechnology in various domains. The focus will be on the latest trends in fabrication processes such as lithography, self-assembly, and additive manufacturing, along with an examination of their implications for the future of nanotechnology-driven industries.

Toxicity of Nanoparticles in Environment: A Review

Shahnawaz Ahmed — Tue, 22 Oct 2024 00:00:00 +0000

Nanoparticles (NPs) represent a burgeoning class of engineered materials with diverse applications in medicine, industry, and consumer products. While their utility is evident, concerns regarding their environmental impact have escalated, prompting rigorous investigation into their toxicity and potential for bioaccumulation. This abstract synthesizes recent research on the environmental fate of nanoparticles, delving into the multifaceted aspects of their impact. Studies have revealed that nanoparticles, due to their small size and unique physicochemical properties, can permeate environmental matrices such as soil, water, and air, interacting with organisms at various trophic levels. The assessment of NP toxicity has uncovered adverse effects on both aquatic and terrestrial ecosystems, with implications for plant growth, microbial communities, and animal health. Moreover, the propensity for bioaccumulation in organisms has raised concerns about potential long-term ecological consequences. These abstract underscores the need for a comprehensive understanding of the environmental fate of nanoparticles, emphasizing the importance of interdisciplinary research to address the gaps in knowledge surrounding their impact. As the utilization of nanoparticles continues to expand, a proactive approach is essential to mitigate potential environmental risks and safeguard ecosystem health.

The Physical and Environmental Aspects of Nanotechnology: Opportunities and Challenges

Mansi Gupta — Tue, 05 Nov 2024 00:00:00 +0000

Nanotechnology, the manipulation of matter at the nanoscale (1 to 100 nanometers), has gained immense attention due to its unique physical properties and vast applications across various fields, including medicine, electronics, energy, and environmental science. The distinctive characteristics of nanomaterials, such as their increased surface area-to-volume ratio, quantum effects, and enhanced mechanical properties, enable innovative solutions that were previously unattainable. However, the rapid advancement of nanotechnology raises significant environmental concerns, particularly regarding the potential toxicity and ecological impacts of engineered nanomaterials. This review explores the physical characteristics that distinguish nanomaterials from their bulk counterparts, examining their implications for practical applications. Additionally, it discusses the environmental challenges posed by the production, use, and disposal of nanomaterials, highlighting the need for comprehensive life cycle assessments. Understanding these aspects is crucial for advancing nanotechnology while ensuring environmental safety and sustainability, ultimately guiding responsible innovation in this promising field.