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Tuning electronic properties of metallic atom in bondage to a nanospace
Tang J(唐军); Xing GM(邢更妹); Yuan H(袁慧); Cao WB(曹文彬); Jing L(荆隆); Gao XF(高兴发); Qu L(屈力); Cheng Y(程悦); Ye C(叶昶); Zhao YL(赵宇亮); Chai ZF(柴之芳); Kui RX(奎热西); Qian HJ(钱海杰); Su R(苏润); Tang, J; Xing, GM; Yuan, H; Cao, WB; Jing, L; Gao, XF; Qu, L; Cheng, Y; Ye, C; Zhao, YL; Chai, ZF; Ibrahim, K; Qian, HJ; Su, R
2005
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY B
Volume109Issue:18Pages:8779-8785
Corresponding AuthorChinese Acad Sci, Inst High Energy Phys, Lab Bioenvironm Hlth Sci Nanoscale Mat, Beijing 100049, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China
SubtypeArticle
AbstractThe possibility of modulating the electronic configurations of the innermost atoms inside a nanospace, nano sheath with chemical modification was investigated using synchrotron X-ray photoelectron spectroscopy. Systems of definite nanostructures were chosen for this study. Systematic variations in energy, intensity, and width of π* and σ r* O 1s core level spectra, in absorption characteristics of C 1s→* transition, in photoabsorption of pre-edge and resonance regions of the Gd 4d→ 4f transition, were observed for Gd@C-82 (an isolated nanospace for Gd), Gd@C-82(OH)(12) (a modified nanospace for Gd), and Gd@C-82(OH)(22) (a differently modified nanospace for Gd), and the reference materials Gd-DTPA (a semi-closed space for Gd) and Gd2O3. A sandwich-type electronic interaction along [outer modification group]-[nano sheaths]-[inner metallic atom] was observed in the molecules of modifications. This makes it possible to control electrondonation directions, either from the innermost metallic atom toward the outer nano sheaths or the reverse. The results suggest that one may effectively tune the fine structures of electronic configurations of such a metallic atom being astricted into nanostructures through changing the number or category of outer groups of chemical modifications. This may open a door to realizing the desired designs for electronic and magnetic properties of functionalized nanomaterials.
Subject AreaChemistry
DOI10.1021/jp050374k
URL查看原文
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000228982900039
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Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/240151
Collection多学科研究中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Tang J,Xing GM,Yuan H,et al. Tuning electronic properties of metallic atom in bondage to a nanospace[J]. JOURNAL OF PHYSICAL CHEMISTRY B,2005,109(18):8779-8785.
APA 唐军.,邢更妹.,袁慧.,曹文彬.,荆隆.,...&Su, R.(2005).Tuning electronic properties of metallic atom in bondage to a nanospace.JOURNAL OF PHYSICAL CHEMISTRY B,109(18),8779-8785.
MLA 唐军,et al."Tuning electronic properties of metallic atom in bondage to a nanospace".JOURNAL OF PHYSICAL CHEMISTRY B 109.18(2005):8779-8785.
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