PHOTOADSORPTION Meaning and
Definition
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Photoadsorption refers to the process by which a substance or particle is adsorbed onto a surface, such as a solid or liquid, through a photochemical reaction. It involves the interaction between light and the adsorbate, leading to the formation of an adsorbate-substrate complex.
The phenomenon of photoadsorption occurs when photons, or particles of light, interact with atoms or molecules, resulting in the transfer of energy to the surface. This energy transfer can induce changes in the electronic structure or chemical reactivity of the adsorbate, leading to its attachment on the surface. The adsorbate may be in the gas phase or present in a liquid or solid medium.
Photoadsorption is distinct from regular adsorption processes in that it requires the presence of light to drive the adsorption reaction. The specific wavelength or energy of light required for photoadsorption varies depending on the properties of the adsorbate and substrate materials.
This process has several practical applications, particularly in the field of materials science and catalysis. It can be utilized to capture specific target molecules or particles from a solution or gas mixture, leading to their selective separation or purification. Additionally, photoadsorption can be used to modify the surface properties of materials, such as enhancing their reactivity or catalytic performance.
In summary, photoadsorption refers to the adsorption of a substance onto a surface through a photochemical reaction, driven by the interaction between light and the adsorbate. This process has diverse applications in various scientific and technological domains.
Common Misspellings for PHOTOADSORPTION
- ohotoadsorption
- lhotoadsorption
- -hotoadsorption
- 0hotoadsorption
- pgotoadsorption
- pbotoadsorption
- pnotoadsorption
- pjotoadsorption
- puotoadsorption
- pyotoadsorption
- phitoadsorption
- phktoadsorption
- phltoadsorption
- phptoadsorption
- ph0toadsorption
- ph9toadsorption
- phoroadsorption
- phofoadsorption
- phogoadsorption
- phoyoadsorption
Etymology of PHOTOADSORPTION
The word "photoadsorption" is a combination of two roots: "photo-" and "adsorption".
1. "Photo-" is derived from the combining form of the Greek word "phos" (φῶς), meaning "light". This combining form is commonly used in scientific terms related to light, such as "photograph" (light drawing) and "photoelectric" (electricity produced by light).
2. "Adsorption" is derived from the Latin word "adsorbere", which means "to suck up or swallow". It refers to a process by which a substance adheres to the surface of another substance. The term "adsorption" gained popularity in scientific literature in the late 19th century.
Thus, "photoadsorption" refers to a process or phenomenon where the absorption of light plays a role during the adhesion of a substance to a surface.
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