Chapter 2
Synthesis and Gas-Sensing Application of 1D Semiconducting Hybrid Nanostructures
Nguyen D. Cuong,
Nguyen Van Hieu,
Nguyen D. Cuong
1 Hue University, University of Sciences, Faculty of Chemistry, 77 Nguyen Hue, Phu Nhuan Ward, Hue, 530000 Vietnam
2 Hue University, School of Hospitality and Tourism, 22 Lam Hoang, Vy Da Ward, Hue, 530000 Vietnam
Search for more papers by this authorNguyen Van Hieu
3 Phenikaa University, Faculty of Electrical and Electronic Engineering, Yen Nghia Ward, Ha Dong District, Hanoi, 100000 Vietnam
Search for more papers by this authorNguyen D. Cuong,
Nguyen Van Hieu,
Nguyen D. Cuong
1 Hue University, University of Sciences, Faculty of Chemistry, 77 Nguyen Hue, Phu Nhuan Ward, Hue, 530000 Vietnam
2 Hue University, School of Hospitality and Tourism, 22 Lam Hoang, Vy Da Ward, Hue, 530000 Vietnam
Search for more papers by this authorNguyen Van Hieu
3 Phenikaa University, Faculty of Electrical and Electronic Engineering, Yen Nghia Ward, Ha Dong District, Hanoi, 100000 Vietnam
Search for more papers by this authorBook Editor(s):Arvind Kumar,
Dinesh K. Aswal, Nirav Joshi,
Arvind Kumar
Chaman Lal Mahavidyalaya, Department of Physics, Haridwar, 247664 India
Search for more papers by this authorFirst published: 02 December 2022
Summary
One-dimensional (1D) materials have shown exciting new prospects for application in gas sensors due to their extraordinary physical and chemical properties, large surface-to-volume ratios, well-defined crystal orientations, and stability. As a result, gas-sensing capacity of 1D-nanostructured sensors is much more sensitive than these make from conventional nanostructures. However, the sensors based on pure single-phase 1D nanostructures still have some disadvantages such as weak response, poor selectivity, and operating at high temperature. The 1D hybrid nanostructures that composed of two or more different components with multiple functions have been considered as the potential strategy to develop gas-sensing efficiency. The unique gas-sensing features of these materials originate from the synergistic effect in the heterojunction structures. In this chapter, we will review the recent development of synthetic strategy of 1D semiconducting hybrid nanostructures as well as their application for gas-sensing fields. The electric sensitization and the chemical sensitization that play an important role to promote sensing performance of 1D hybrid-nanostructured sensors will be discussed carefully. Finally, some future trends and perspectives in these research areas will be also be outlined.
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