Journal
NANOSCALE RESEARCH LETTERS
Volume 8, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1186/1556-276X-8-278
Keywords
Nanostructure; Self-assembly; Organogel; Luminol derivative; Substituent group effect
Funding
- National Natural Science Foundation of China [20903078, 21073154, 21207112]
- Natural Science Foundation of Hebei Province [B2012203060, B2013203108]
- China Postdoctoral Science Foundation [2011 M500540, 2012 M510770, 2013T60265]
- Support Program for Hundred Excellent Innovation Talents from Universities and Colleges of Hebei Province [CPRC020]
- Science Foundation for the Excellent Youth Scholars from Universities and Colleges of Hebei Province [Y2011113]
- Scientific Research Foundation for Returned Overseas Chinese Scholars of Hebei Province [2011052]
- Open Foundation of State Key Laboratory of Solid Lubrication (Lanzhou Institute of Chemical Physics, CAS) [1002]
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Luminol is considered as an efficient sycpstem in electrochemiluminescence (ECL) measurements for the detection of hydrogen peroxide. In this paper, new luminol imide derivatives with different alkyl substituent chains were designed and synthesized. Their gelation behaviors in 26 solvents were tested as novel low molecular mass organic gelators. It was shown that the length and number of alkyl substituent chains linked to a benzene ring in gelators played a crucial role in the gelation behavior of all compounds in various organic solvents. Longer alkyl chains in molecular skeletons in present gelators are favorable for the gelation of organic solvents. Scanning electron microscope and atomic force microscope observations revealed that the gelator molecules self-assemble into different micro/nanoscale aggregates from a dot, flower, belt, rod, and lamella to wrinkle with change of solvents. Spectral studies indicated that there existed different H-bond formations and hydrophobic forces, depending on the alkyl substituent chains in molecular skeletons. The present work may give some insight to the design and characteristic of new versatile soft materials and potential ECL biosensors with special molecular structures.
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