In the twenty‐first century, two‐dimensional (2D) nanomaterials are widely considered to constitute the basis of the next technological revolution which holds a great potential in advancing science and technology. The 2D nanomaterial has made an insightful impact on the society; it is closely associated to the well‐being of human kind. The rate of advancements in 2D nanomaterial is so high that prospectus developers continuously look for strategies to hack it with these advancements. More recently, the 2D crystalline allotrope of carbon, i.e. graphene, has brought a new cheering into carbon nanomaterials which greatly progress practical applications. Therefore, the worldwide researchers can be motivated to be the future leaders who would make fundamental contributions. The present book is a sincere attempt in this direction.

The emerging development in the field of 2D nanomaterials and its devices are playing a vital role in motivating the growth of a nation's economy because of its impending contribution to manufacturing processes and inventive products. Thus, the aims of developing 2D functionalized nanomaterial is to extend broad applications toward energy storage devices, cancer cell applications, photocatalysts, and photoelectrocatalyst, etc., in growing harmony with the principles of Green Chemistry, and more broadly Green Engineering and Technology.

The Book “2D Functional Nanomaterials” summarizes the scientific contributions of the advancement in fabrications and applications of 2D nanomaterials, reported from different veins of chemistry and the other related technologies over the last decade. The contributions have been made by different researchers and distinguished scientists from all over the world. The book included the various 2D nanomaterials and their unique properties with their wide range of applications. The chapters include various most up‐to‐date and noteworthy topics such as synthesis and properties of graphene; graphene oxide‐based LDH nanocomposite; graphene‐latex nanocomposites; novel 2D nanomaterials; 2D dichalcogenides; 2D metal–organic frameworks and its various applications such as cancer therapy; energy storage devices; photocatalysis–photoelectrocatalysis and electronic devices and a lots more. In response to the increased demands for the various applications, this book is designed to update the latest advancements in the research and development of nanomaterials with focus on the technologies for the synthesis and characterization of 2D materials. This book is contributed by a group of leading scientists, researchers, and professors who are directly working on the subjected areas. All chapters include fundamentals of the 2D nanomaterials investigated that will offer students, researchers, and academicians the opportunity to evaluate and select the technologies that lead to benefit related to the application of nanotechnologies for clean energy and environment conservation.

We believe that this book is extremely useful for the researchers who work in the 2D nanomaterial applications and also serves an excellent textbook and reference for the research scholars, college/university undergraduates, and graduates who are interested in the areas of materials, energy, and cancer therapy applications.

I am indebted to my Ph.D. Research Guide Dr. Mansing A. Anuse, Ex. Professor, and Head of Department of Chemistry, Shivaji University, Kolhapur, for his constant encouragement and support. I am thankful to my Summer Research Fellowship mentor Professor, Srinivasan Kannan, Director, Council of Scientific and Industrial Research‐Central Salt and Marine Chemicals Research Institute (CSIR‐CSMCRI), Bhavnagar, Gujarat, India, for encouragement. I am grateful to my Post Doctoral Research Advisor Professor, Yong‐Chien Ling, Department of Chemistry, National Tsing Hua University, Taiwan, for his ongoing support and encouragement.

I am also highly grateful and I dedicate this book to Prof. C.N.R. Rao, Director, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore, India, by whom I really inspired of his distinguished contribution in Chemistry.

I am also grateful to Prof. Yury Gogotsi, Director, A.J. Drexel Nanomaterials Institute, Drexel University, Philadelphia, Pennsylvania, USA, for giving a valuable “Foreword” for this book.

I would like to express my gratitude to all chapter authors for their enthusiastic and collaborative contributions. It could not be possible to undertake this challenging work and enabling me to accomplish it without their support and timely response. All the contributors have justified their involvement in this book by presenting the work on latest areas of 2D nanomaterials and their applications.

I am very much thankful to the Wiley‐VCH for accepting our book proposal and I also wish to sincerely thank Dr. Lifen Yang, Program Manager, and Ms. Katherine Wong, Senior Managing Editor of the Wiley‐VCH, for their kind support, valuable suggestions, motivation, and co‐operation during the preparation of this book, without which it would have been extremely difficult to complete this task on time. I admire their distinguished helping nature.

It gives me great pleasure to acknowledge Shivaji University, Kolhapur, and Kolhapur Institute of Technology's, College of Engineering (Autonomous), Kolhapur, for their encouragement.

Most of all, I could not possibly finish without thanking my family for their persistent love, continuous support, and forbearance during the writing of this book. They have been a constant source of inspiration. I also thank my wonderful son “Takshil” for always making me happy and for cooperating me with the understanding when I was working for this book instead of playing games with him. I hope that in future he will read this book and realize why I used to spare so much time in front of my computer.

As an editor, I would like to receive suggestions and opinion for the book at [email protected]