It is well known that nanoparticles often exhibit different properties than common large-scale materials, and their fields of application are quite different. For example, gold nanoparticles can catalyze chemical reactions, while ordinary gold nuggets cannot. Semiconductor-based nanoparticles emit different colors of light only by small changes in size, which ordinary semiconductors cannot.
In view of this, scientists have come up with countless ways to synthesize nanoparticles. However, they have not been systematically proposed to combine multiple elements at the nanoscale and to test them. Recently, researchers reported in the journal Science that they synthesized nanoparticles of different combinations of five metals, called the "library" of nanoparticles.
The team used the ultra-small tip of the atomic force microscope as a quill to pick up five different polymer inks. Each ink contains metal ions of gold, silver, copper, nickel or cobalt. After wiping a drop of different polymer inks on a flat substrate, the researchers used two separate heat treatments to cure the nanoparticles.
First, at lower temperatures, scientists extract metal ions from the ink. In the second step, the ink is evaporated at a higher temperature to obtain solid nanoparticles. In the end, the researchers succeeded in producing all 31 combinations of nanoparticles of five metals. At present, scientists are testing the optical, electrical and catalytic properties of these particles, hoping to lead a new breakthrough in nanotechnology.
Polymetallic nanoparticles are widely used, including catalysis, surface plasmon, bioimaging, and the like. In the field of catalysis, multi-metal nanoparticles tend to outperform their respective pure-component nanoparticles. But there is currently no effective strategy for synthesizing a "library" of this structure for chemists to explore through systems and positioning methods.
Retail Space Lighting plays a vital role in enhancing the shopping experience, attracting customers, and displaying goods. Good commercial lighting design can create a comfortable and pleasant atmosphere and effectively enhance customers' desire to buy.
In the retail space, lighting not only needs to meet the basic lighting needs but also needs to be differentiated according to the requirements of different areas and commodity types. For example, for the display area, appropriate retail lighting can highlight the characteristics and advantages of the product, guide the line of sight of customers, and enhance the attractiveness and visibility of the product.
In addition, the color and brightness of the retail store lighting is also an important factor affecting the shopping experience. Warm tone lighting can create a warm, comfortable atmosphere, suitable for fashion brands or home furnishings display areas; cool tone lighting is suitable for the display of high-end goods such as electronic products or jewelry, which can bring a professional sense and shock effect.
In addition, energy saving and environmental protection are also important considerations in modern retail space lighting design. Priority should be given to the use of energy-efficient LED lamps, combined with intelligent control systems for lighting management, to adjust lighting brightness and power according to different times and needs, thereby reducing energy consumption and operating costs.
To sum up, retail space lighting is an important factor to enhance customer experience and sales effect. Through scientific and reasonable shop lighting design and store lighting selection, you can create a comfortable and attractive shopping environment, promote commodity sales, and achieve commercial success.
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