The revolution of nanotechnology has exerted far-reaching influence on various disciplines, engineering and business circles. The unique physical and chemical properties of nanomaterials make them quite strong in photocatalysis, thermal conductivity, mechanical strength and photosensitivity. They can be used to produce catalysts, energy storage equipment, advanced mechanical materials and probes. However, large-scale production and use of artificial nanomaterials. It increases the possibility of its release into the environment, and thus has an unpredictable impact on the environment and human health.
More and more studies have confirmed that nanomaterials have certain biological toxicity, and have begun to be considered as a new kind of potential pollutants. Artificial nanomaterials released into the environment can cause toxic risks to microorganisms and higher organisms through various mechanisms, thus affecting their applications. Among many nanomaterials, metal nanomaterials are currently the most widely used nanomaterials. Firstly, it will play an important role in the development of high and new technology in the future because of its peculiar characteristics and the bright prospect of industrialization.
Characteristics, Categories and Applications of Metal Nanomaterials
The overall characteristics of metal nanomaterials are that metal nanomaterials can organically combine the physical and chemical properties of metals with the special properties of nanomaterials, so they have more unique properties that other nanomaterials do not possess. The great achievements made by metal nanomaterials in the past 10 years and their influence and penetration in various fields of science and society have always been noticeable. The main reasons are as follows: One reason is that nano-systems are not typical micro-systems or macro-systems. They are typical mesoscopic systems with surface effect, small-size effect and long-life effect.