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Volumn 6, Issue , 2010, Pages 1180-1187

Syntheses and properties of thienyl-substituted dithienophenazines

Author keywords

Oligothiophenes; Phenazines; Scanning tunneling microscopy; Self assembled monolayers; TD DFT calculations

Indexed keywords


EID: 78751563098     PISSN: 18605397     EISSN: 18605397     Source Type: Journal    
DOI: 10.3762/bjoc.6.135     Document Type: Article
Times cited : (29)

References (41)
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    • A drop of the respective solution (approx. 1 mg/ml) in TCB (1, 2,4-trichlorobenzene) was applied to a piece of freshly cleaved HOPG, and STM was performed at voltages between -(0.4-1.2V) and currents between 2-100 pA
    • A drop of the respective solution (approx. 1 mg/ml) in TCB (1,2,4-trichlorobenzene) was applied to a piece of freshly cleaved HOPG, and STM was performed at voltages between -(0.4-1.2V) and currents between 2-100 pA.
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    • The tunneling efficiency depends on the energetic difference of the tip level and the levels of the frontier orbitals of the respective molecular segments. For theoretical descriptions of the contrast mechanism in STM see i.e. [40,41].
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    • note
    • All acquired STM images were in situ calibrated by (immediately and) subsequently reducing the tip bias to -50 mV, and acquiring the atomically resolved lattice of the HOPG substrate (without changing the position), using the latter as a calibration grid for the images of the adlayer. Respective data handling is done with the SPIP software package (Image Metrology, Inc.).
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    • The resolution of STM is not sufficient to distinguish between cisoid and transoid conformers of the oligothiophene. However, in the molecular model we displayed the adsorbed molecule in transoid conformation in accordance with the TD-DFT calculation.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.