Effects of nitrogen, oxygen, and moisture on the electron transport in tris(8-hydroxyquinoline) aluminum

H. H. Fong; S. K. So

doi:10.1063/1.1990258

Effects of nitrogen, oxygen, and moisture on the electron transport in tris(8-hydroxyquinoline) aluminum

H. H. Fong, S. K. So^*

^*Corresponding author for this work

Department of Physics

Research output: Contribution to journal › Journal article › peer-review

24 Citations (Scopus)

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Abstract

The effects of nitrogen, oxygen, and moisture on the electron mobilities of tris(8-hydroxyquinoline) aluminum (Al q3) have been examined by time-of-flight (TOF) technique at room temperature under an applied electric-field range of 0.3-1 MVcm. Our results suggest that both oxygen and water molecules can impede electron conduction in Al q3. Detailed analysis suggests that water molecules induce electron traps even at very low dosages. Oxygen interacts with Al q3 at high dosages and results in highly dispersive TOF signals. Moisture appears to be more detrimental than oxygen in hindering electron transport in Al q3.

This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in H. H. Fong, S. K. So; Effects of nitrogen, oxygen, and moisture on the electron transport in tris(8-hydroxyquinoline) aluminum. J. Appl. Phys. 15 July 2005; 98 (2): 023711. https://doi.org/10.1063/1.1990258 and may be found at https://pubs.aip.org/aip/jap/article/98/2/023711/350405/Effects-of-nitrogen-oxygen-and-moisture-on-the

Original language	English
Article number	023711
Number of pages	4
Journal	Journal of Applied Physics
Volume	98
Issue number	2
DOIs	https://doi.org/10.1063/1.1990258
Publication status	Published - 15 Jul 2005

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General Physics and Astronomy

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title = "Effects of nitrogen, oxygen, and moisture on the electron transport in tris(8-hydroxyquinoline) aluminum",

abstract = "The effects of nitrogen, oxygen, and moisture on the electron mobilities of tris(8-hydroxyquinoline) aluminum (Al q3) have been examined by time-of-flight (TOF) technique at room temperature under an applied electric-field range of 0.3-1 MVcm. Our results suggest that both oxygen and water molecules can impede electron conduction in Al q3. Detailed analysis suggests that water molecules induce electron traps even at very low dosages. Oxygen interacts with Al q3 at high dosages and results in highly dispersive TOF signals. Moisture appears to be more detrimental than oxygen in hindering electron transport in Al q3.This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in H. H. Fong, S. K. So; Effects of nitrogen, oxygen, and moisture on the electron transport in tris(8-hydroxyquinoline) aluminum. J. Appl. Phys. 15 July 2005; 98 (2): 023711. https://doi.org/10.1063/1.1990258 and may be found at https://pubs.aip.org/aip/jap/article/98/2/023711/350405/Effects-of-nitrogen-oxygen-and-moisture-on-the ",

author = "Fong, {H. H.} and So, {S. K.}",

note = "Funding Information: Supports of this research by the Research Committee of Hong Kong Baptist University and the Research Grant Council of Hong Kong under HKBU∕2173∕04E are gratefully acknowledged.",

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N2 - The effects of nitrogen, oxygen, and moisture on the electron mobilities of tris(8-hydroxyquinoline) aluminum (Al q3) have been examined by time-of-flight (TOF) technique at room temperature under an applied electric-field range of 0.3-1 MVcm. Our results suggest that both oxygen and water molecules can impede electron conduction in Al q3. Detailed analysis suggests that water molecules induce electron traps even at very low dosages. Oxygen interacts with Al q3 at high dosages and results in highly dispersive TOF signals. Moisture appears to be more detrimental than oxygen in hindering electron transport in Al q3.This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in H. H. Fong, S. K. So; Effects of nitrogen, oxygen, and moisture on the electron transport in tris(8-hydroxyquinoline) aluminum. J. Appl. Phys. 15 July 2005; 98 (2): 023711. https://doi.org/10.1063/1.1990258 and may be found at https://pubs.aip.org/aip/jap/article/98/2/023711/350405/Effects-of-nitrogen-oxygen-and-moisture-on-the

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Effects of nitrogen, oxygen, and moisture on the electron transport in tris(8-hydroxyquinoline) aluminum

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