chemisorption


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chem·i·sorb

(kĕm′ĭ-sôrb′) also chem·o·sorb (-ə-sôrb′)
tr.v. chem·i·sorbed, chem·i·sorb·ing, chem·i·sorbs also chem·o·sorbed or chem·o·sorb·ing or chem·o·sorbs
To take up and chemically bind (a substance) onto the surface of another substance.

[Alteration of chemo- + (ab)sorb.]

chem′i·sorp′tion (-sôrp′shən) n.

chemisorption

(ˌkɛmɪˈsɔːpʃən)
n
(Chemistry) an adsorption process in which an adsorbate is held on the surface of an adsorbent by chemical bonds

chem•i•sorp•tion

(ˌkɛm əˈsɔrp ʃən, -ˈzɔrp-)

n.
adsorption involving a chemical linkage between the adsorbent and the adsorbate.
[1930–35; chemi- + (ad) sorption]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chemisorption - adsorption (especially when irreversible) by means of chemical instead of physical forces; "chemisorption of gaseous nitrogen on iron catalysts"
adsorption, surface assimilation - the accumulation of molecules of a gas to form a thin film on the surface of a solid
References in periodicals archive ?
It was reported in the literature [42] that if the activation energies are below 21 kJ mol-1 then film diffusion took place for pore diffusion these values are between 2040 kJ mol-1 and above 84 kJ mol-1 for the chemisorption.
This will be achieved by modifying adjacent metal (nano)electrodes with different self-assembled monolayers (SAMs) through a process of chemisorption and selective electrochemical desorption, and will include in this some SAMs that have properties sensitive to light or that can be switched electrochemically to confer additional functionality to the surface and ultimately to the device.
The biosorption followed the pseudo-second order kinetic model suggesting a chemisorption mechanism.
The applications will be focused on complex chemical systems containing transition metal centres involved in catalytic processes and will cover organometallic functionalities and chemisorption of small molecules on metallic surfaces.
Physical adsorption and chemisorption can be classified by the magnitude of the enthalpy change.
Further, the enthalpy values that were obtained are relatively of low energy versus those that facilitate chemisorption.
This technology means that metal wiring with a fixed film thickness can be formed by means of the chemisorption of metal nanoparticles on the fluororesin surface activated by light.
Actually, the formation of a thiadiazole film starts with the chemisorption of the inhibitor molecule on to the slightly oxidized areas of the copper surface [18].
Hydrogen consumption and metallic dispersion were determined by hydrogen chemisorption at 30[grados]C in a Micromeritics AutoChem II equipment, using H:M = 1 atomic ratio.
Influence of alloyed Sn atoms on the chemisorption properties of Ni(111) as probed by RAIRS and TPD studies of CO adsorption".