ICCAS OpenIR
Preparation and Characterization of Polyfluorene-Based Supramolecular pi-Conjugated Polymer Gels
Lin, Zong-Qiong2; Shi, Nai-En1; Li, Yi-Bao3; Qiu, Dong4; Zhang, Long1; Lin, Jin-Yi1; Zhao, Jian-Feng2; Wang, Chen3; Xie, Ling-Hai1; Huang, Wei2
2011-03-24
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume115Issue:11Pages:4418-4424
AbstractSupramolecular pi-conjugated polymer-based gels (SCPGs) are one important kind of semiconducting soft materials. Herein we demonstrate a poly(9,9-dioctylfluorene) (PFO) based on SCPG in 1,2-dichloroethane (DCE). The PFO/DCE gel exhibits a characteristic photoluminescence profile distinguished from other polymorphisms. The emission peak at ca. 550 nm evidences the aggregate or excimer mechanism of the low-energy emission band in polyfluorenes. Thermoreversible sol gel transition of PFD/DCE gel has been investigated by temperature-resolved fluorescence spectroscopy and differential scanning calorimetry (DSC). The formation mechanism of PFO/DCE gel has been proposed according to the scanning tunneling microscopy (STM) and small-angle X-ray scattering (SAXS) analysis. The obtained xerogel via freeze-drying exhibited regularly interpenetrated pores with the size of about 2-5 mu m. Gelation of pi-conjugated polymers paves a promising way to prepare porous soft semiconductors with potential applications of sensors and actuators.
DOI10.1021/jp109598y
Indexed BySCI
Language英语
WOS IDWOS:000288401200009
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:63[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/73124
Collection中国科学院化学研究所
Corresponding AuthorXie, Ling-Hai
Affiliation1.Nanjing Univ Posts & Telecommun, IAM, Nanjing 210046, Peoples R China
2.Nanjing Univ Posts & Telecommun, KLOEID, Nanjing 210046, Peoples R China
3.Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China
4.Chinese Acad Sci, Inst Chem, State Key Lab Polymer Phys & Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Lin, Zong-Qiong,Shi, Nai-En,Li, Yi-Bao,et al. Preparation and Characterization of Polyfluorene-Based Supramolecular pi-Conjugated Polymer Gels[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2011,115(11):4418-4424.
APA Lin, Zong-Qiong.,Shi, Nai-En.,Li, Yi-Bao.,Qiu, Dong.,Zhang, Long.,...&Huang, Wei.(2011).Preparation and Characterization of Polyfluorene-Based Supramolecular pi-Conjugated Polymer Gels.JOURNAL OF PHYSICAL CHEMISTRY C,115(11),4418-4424.
MLA Lin, Zong-Qiong,et al."Preparation and Characterization of Polyfluorene-Based Supramolecular pi-Conjugated Polymer Gels".JOURNAL OF PHYSICAL CHEMISTRY C 115.11(2011):4418-4424.
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