Photo-Stimulated Desorption

Photo-Stimulated Desorption
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光刺激解吸

DOI:
10.1007/978-981-10-6156-1_79
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发表时间:
2018
期刊:
The Surface Science Society of Japan (eds) Compendium of Surface and Interface Analysis
影响因子:
--
通讯作者:
Fukutani K.
Fukutani K.
中科院分区:
--
文献类型:
--
作者:
Ikeda A.;Fukutani K.

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光刺激脱附(PSD)是指在光子照射下吸附的分子从表面脱附。PSD以热或非热的方式发生。在前一种情况下,由固体表面吸收的光的能量被转换为热量,导致热激活解吸,其中解吸的分子在一定温度下与表面处于热平衡。在后者的情况下,在另一方面,光激发分为两个制度,声子激发和电子激发的吸附物表面复合物取决于光子能量。吸收的光能通过声子-声子或电子-声子相互作用传递到吸附质,最终导致吸附质-表面键断裂。在电子激发的情况下,激发进一步分为芯电子或价电子激发。
Photo-stimulated desorption (PSD) is desorption of adsorbed molecules from surfaces induced by photon irradiation. PSD occurs either in thermal or nonthermal ways. In the former case, the energy of light absorbed by solid surfaces is converted to heat, leading to the thermally activated desorption, where the desorbed molecules are in thermal equilibrium with the surface at a certain temperature. In the latter case, on the other hand, the photo-excitation is classified into two regimes, phonon excitation and electronic excitation of the adsorbate-surface complex depending on the photon energy. The absorbed light energy is transferred to the adsorbate through phonon–phonon or electron–phonon interaction, which eventually leads to breaking of the adsorbate-surface bond. In the case of electronic excitation, the excitation is further classified into either core electron or valence electron excitation.
激光诱导表面解吸和蚀刻
DOI: 10.1016/0169-4332(94)90383-2
发表时间: 1994
影响因子: 6.7
作者:
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紫外激光诱导 Pt(111) 上 NO 的解吸
DOI: --
发表时间: 1994
期刊:
影响因子: --
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发表时间: 1989
期刊:
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