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About this book

This brief provides a comprehensive overview of contemporary research and materials technologies utilizing oriented-attachment nanocrystals (OA NCs) for the energy conversion devices. Starting with a historical introduction, the book presents basic theory with an emphasis on thermodynamic and kinetic models of the oriented-attachment nanocrystals growth. Further chapters review recent advances in the synthesis, characterization, and application of the oriented-attachment nanocrystals in fuel cells, batteries, supercapacitors, solar cells and photocatalysis. This book will appeal to researchers and scholars from a variety of disciplines including electrochemistry, materials science, chemical engineering, physics and mechanical engineering.

Table of Contents


Chapter 1. Introduction to Oriented-Attachment Growth Mechanism

Inorganic crystal materials have been extensively used in various fields in our life, including telecommunication, medical treatment, and aerospace, due to their fascinating optical, electrical, mechanical, and magnetic properties.
Weidong He, Kechun Wen, Yinghua Niu

Chapter 2. Oriented-Attachment Nanocrystals in Fuel Cells

Fuel cells are devices that convert chemical energy to electricity through reaction of fuels with oxygen. Different from batteries that are defined as storage energy devices, fuel cells can continuously generate electricity as long as fuels are supplied sufficiently [1].
Weidong He, Kechun Wen, Yinghua Niu

Chapter 3. Oriented-Attachment Nanocrystals in Lithium Ion Batteries

The world has entered an era with an increasing demand for new energy, including wind, tide, solar, and geothermal energy, due to the prompt reduction of fossil-based energy. But these new energies are subject to the restrictions of space and time. To address these issues, renewable energy storage devices have been developed, such as the lithium ion batteries (LIBs).
Weidong He, Kechun Wen, Yinghua Niu

Chapter 4. Oriented-Attachment Nanocrystals in Supercapacitors

Supercapacitors are the energy storage devices with high power density (1–10 kW kg−1), long lifetime (500,000–1,000,000 cycles), fast charging (with seconds), a wide range of operation temperatures (−40 to 70 °C), and high safety.
Weidong He, Kechun Wen, Yinghua Niu

Chapter 5. Oriented-Attachment Nanocrystals in Solar Cells

Solar cells convert solar energy into electricity directly. The first-generation solar cells, which are silicon-based photovoltaic devices are efficient but costly. Although second-generation solar cells are cost-effective, the conversion efficiency is not desirable. Now, people are focusing on the third-generation solar cells with low cost, highly efficiency, and non-toxicity.
Weidong He, Kechun Wen, Yinghua Niu

Chapter 6. Oriented-Attachment Nanocrystals in Photocatalysis

Environment pollution and energy crisis are serious challenges in the world. Photocatalysis is a process of harvesting the energy from solar light and then transferring the energy to available chemical species.
Weidong He, Kechun Wen, Yinghua Niu

Chapter 7. Conclusions and Trajectories for the Future

As a new crystal growth mechanism, OA growth has developed into a fundamental growth mechanism in the general materials field. Compared with the traditional OR growth mechanism, OA presents a unique growth pathway and characteristics.
Weidong He, Kechun Wen, Yinghua Niu
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