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Structure-Dependent All-Optical Switching in Graphene-Nanoribbon-Like Molecules: Fully Conjugated Tri(perylene bisimides)
Wang, Huan1,3; Su, Hongmei1,3; Qian, Hualei2,3; Wang, Zhaohui2,3; Wang, Xuefei1,3; Xia, Andong1,3
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY A
2010-09-02
DOI10.1021/jp1056489
Volume114Issue:34Pages:9130-9135
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS Research AreaChemistry ; Physics
WOS KeywordMASSLESS DIRAC FERMIONS ; BALLISTIC TRANSPORT ; SINGLE-MOLECULE ; BERRYS PHASE ; GRAPHITE ; C-60 ; PHTHALOCYANINES ; SPECTROSCOPY ; PHONON ; OXIDE
AbstractWe present the structure-dependent nonlinear optical (NLO) properties of fully conjugated tri(perylene bisimides) (triPBIs) toward the understanding of the role of conformational flexibility and pi-electron conjugation in molecular NLO properties of model graphene-nanoribbon (GNR)-like molecules. In the present paper, we report the NLO absorption properties of the triPBIs in toluene excited at 532 nm with nanosecond laser pulses, where the observed transient excited state is determined to be a triplet and presented in the nonlinear process similar to the NLO properties that occur in C-60. As a result, the all-optical switching in both visible and near-infrared regions upon excitation at 532 nm was demonstrated, suggesting that the chemically synthesized model GNRs act well as smart all-optical switching devices without the need of external control. Furthermore, Raman spectral measurement was further used to characterize the conjugated structure properties of model compounds of functionalized graphene nanoribbons (F-GNRs), while the dispersion and splitting of the G-band and D-band in both frequency and intensity can help to distinguish the pi-conjugation and conformational flexibility of the two different triPBI isomers, showing the opportunity to tailor their optoelectronic properties by precisely controlling the edge orientation, edge width, and chemical termination of the edges in the synthesized F-GNRs.
Language英语
WOS IDWOS:000281128900025
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/141693
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Inst Chem, State Key Lab Mol React Dynam, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Inst Chem, BNLMS, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang, Huan,Su, Hongmei,Qian, Hualei,et al. Structure-Dependent All-Optical Switching in Graphene-Nanoribbon-Like Molecules: Fully Conjugated Tri(perylene bisimides)[J]. JOURNAL OF PHYSICAL CHEMISTRY A,2010,114(34):9130-9135.
APA Wang, Huan,Su, Hongmei,Qian, Hualei,Wang, Zhaohui,Wang, Xuefei,&Xia, Andong.(2010).Structure-Dependent All-Optical Switching in Graphene-Nanoribbon-Like Molecules: Fully Conjugated Tri(perylene bisimides).JOURNAL OF PHYSICAL CHEMISTRY A,114(34),9130-9135.
MLA Wang, Huan,et al."Structure-Dependent All-Optical Switching in Graphene-Nanoribbon-Like Molecules: Fully Conjugated Tri(perylene bisimides)".JOURNAL OF PHYSICAL CHEMISTRY A 114.34(2010):9130-9135.
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