并苯纳米环[6]CA及其衍生物的电子结构和光物理性质的密度泛函理论研究

徐莹莹; 阚玉和; 武洁; 陶委; 苏忠民

doi:10.7498/aps.62.083101

摘要

采用密度泛函理论PBE0方法在6-31G(d, p) 基组水平上对比研究并六苯纳米环[6]CA及BN取代纳米环[6]CA-BN的几何结构及电子性质. 同时探讨锂离子掺杂对不同体系的芳香性、前线分子轨道、电子吸收光谱及传输性质的影响. 通过电离势、亲合势及重组能的计算, 预测纳米环体系得失电子的能力及传输性能. 结果表明:[6]CA的能隙很小, BN取代后, 能隙明显增大; 锂离子掺杂到两种纳米环中, 在不明显改变前线分子轨道分布的前提下, 几乎同步降低了最高占据轨道、最低未占据轨道能级, 锂离子掺杂使载流子传输性能得到很大改善; 电子吸收光谱拟合发现, BN取代使吸收光谱很大程度蓝移, 吸收强度明显减小; 而锂离子掺杂对光谱的强度及吸收范围没有明显影响.

关键词:

Abstract

Density functional theory (DFT) is used in a series of hexacene nanoring ([6]CA), its boron nitride analogue ([6]CA-BN) and lithium ion doping derivatives to obtain an insight into electronic structure, aromaticity property, energy gap, ionization potential, electron affinity and reorganization energy. DFT calculations of these nanorings indicate that the energy gaps of the carbon nanorings are smaller than those of the boron nitride nanorings. The lithium ion doping will remarkably reduce the HOMO and LUMO energy. The aromaticities of the rings are investigated though nucleus-independent chemical shift (NICS) values. The NICS scan suggests that the aromaticities of carbon nanoring systems are more than those of boron nitride analogues, the aromaticities of boron nitride compounds are very weak due to orbital localization. We also calculate the reorganization energy to investigate the charge transport properties. The results show that the carbon nanoring and their analogues could serve as bipolar carrier transport materials in photoelectric functional materials, and the lithium ion doping significantly improves the charge transport properties. The [6]CA-BN nanorings serve as better electron-transport materials. Furthermore, the lithium ion doping significantly affects the charge transfer property of [6]CA-BN nanoring, making it used as bipolar carrier transport materials. The time dependant DFT investigations show that the boron nitride substitution leads to an important change in absorption spectrum with blue-shift. And lithium ion doping has no obvious influence on absorption spectrum.

Keywords:

作者及机构信息

1.
淮阴师范学院化学化工学院, 江苏省低维材料化学重点建设实验室, 淮安 223300;

2.
东北师范大学化学学院功能材料化学研究所, 长春 130024

基金项目: 国家重点基础研究发展计划 (批准号:2009CB623605)、国家自然科学基金(批准号:21273030)、江苏省自然科学基金(批准号:BK2011408)、江苏省低维材料化学重点建设实验室开放课题(批准号:JSKC12109)和淮阴师范学院高级别科研项目培育基金 (批准号:11HSGJBZ11)资助的课题.

Authors and contacts

1.
Jiangsu Province Key Laboratory for Chemistry of Low-Dimensional Materials, School of Chemistry and Chemical Engineering, Huaiyin NormalUniversity, Huaian 223300, China;

2.
Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China

Funds: Project supported by the National Basic Research Program of China (Grant No. 2009CB623605), the National Natural Science Foundation of China (Grant No. 21273030), the Natural Science Foundation of Jiangsu Province, China (Grant No. BK2011408), the Opening Project of Key Laboratory for Chemistry of Low-Dimensional Materials of Jiangsu Province, China (Grant No. JSKC12109), and the Cultivation Fund of the Key Scientific Innovation Project of Huaiyin Normal University, China (Grant No. 11HSGJBZ11).

参考文献

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[40]	Baibarac M, Lira Cantú M, Oró Solé J, Casañ Pastor N, Gomez Romero P 2006 Small 2 1075
[41]	Liu Y Q 2010 Organic Nano and Molecular Devices (Beijing:Science Publishing House) p101 (in Chinese) [刘云圻2010 有机纳米与分子器件(北京:科学出版社) 第101页]
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[43]	Martin R L 2003 J. Chem. Phys. 118 4775
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[45]	Frisch M J, Trucks G W, Schlegel H B, Scuseria G E, Robb M A, Cheeseman J R, Scalmani G, Barone V, Mennucci B, Petersson G A, Nakatsuji H, Caricato M, Li X, Hratchian H P, Izmaylov A F, Bloino J, Zheng G, Sonnenberg J L, Hada M, Ehara M, Toyota K, Fukuda R, Hasegawa J, Ishida M, Nakajima T, Honda Y, Kitao O, Nakai H, Vreven T, Montgomery Jr J A, Peralta J E, Ogliaro F, Bearpark M, Heyd J J, Brothers E, Kudin K N, Staroverov V N, Kobayashi R, Normand J, Raghavachari K, Rendell A, Burant J C, Iyengar S S, Tomasi J, Cossi M, Rega N, Millam J M, Klene M, Knox J E, Cross J B, Bakken V, Adamo C, Jaramillo J, Gomperts R, Stratmann R E, Yazyev O, Austin A J, Cammi R, Pomelli C, Ochterski J W, Martin R L, Morokuma K, Zakrzewski V G, Voth G A, Salvador P, Dannenberg J J, Dapprich S, Daniels A D, Farkas O, Foresman J B, Ortiz J V, Cioslowski J, Fox D J 2009 Gaussian 09 (Revision A.02 Gaussian, Inc. Wallingford CT)
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[47]	Scholes G D, Tretiak S, McDonald T J, Metzger W K, Engtrakul C, Rumbles G, Heben M J 2007 J. Phys. Chem. C 111 11139
[48]	Wong B M 2009 J. Phys. Chem. C 113 21921

施引文献

[1]	Iijima S 1991 Nature 354 56
[2]	Prasek J, Drbohlavova J, Chomoucka J, Hubalek J, Jasek O, Adam V, Kizek R 2011 J. Mater. Chem. 21 15872
[3]	Omachi H, Segawa Y, Itami K 2012 Acc. Chem. Res. 45 1378
[4]	Kawase T, Kurata H 2006 Chem. Rev. 106 5250
[5]	Scott L T 2003 Angew. Chem. Int. Ed. 42 4133
[6]	Eisenberg D, Shenhar R, Rabinovitz M 2010 Chem. Soc. Rev. 39 2879
[7]	Marsden J A, Miller J J, Shirtcliff L D, Haley M M 2005 J. Am. Chem. Soc. 127 2464
[8]	Zhao T, Liu Z, Song Y, Xu W, Zhang D, Zhu D 2006 J. Org. Chem. 71 7422
[9]	Xu H L, Zhong R L, Yan L K, Su Z M 2012 J. Phys. Org. Chem. 25 176
[10]	Jasti R, Bertozzi C R 2010 Chem. Phys. Lett. 494 1
[11]	Bunz U H F, Menning S, Martin N 2012 Angew. Chem. Int. Ed. 51 7094
[12]	Dai H J 2002 Acc. Chem. Res. 35 1035
[13]	Chopra N G, Luyken R J, Cherrey K, Crespi V H, Cohen M L, Louie S G, Zettl A 1995 Science 269 966
[14]	Golberg D, Bando Y, Eremets M, Takemura K, Kurashima K, Yusa H 1996 Appl. Phys. Lett. 69 2045
[15]	Han W Q, Bando Y, Kurashima K, Sato T 1998 Appl. Phys. Lett. 73 3085
[16]	Golberg D, Bando Y, Han W, Kurashima K, Sato T 1999 Chem. Phys. Lett. 308 337
[17]	Golberg D, Bando Y, Kurashima K, Sato T 2000 Chem. Phys. Lett. 323 185
[18]	Ma R, Bando Y, Sato T 2001 Chem. Phys. Lett. 337 61
[19]	Loh K P, Yang S W, Soon J M, Zhang H, Wu P 2003 J. Phys. Chem. A 107 5555
[20]	Jia J F, Wu H S 2006 Acta Phys. Chim. Sin. 22 1520 (in Chinese) [贾建峰, 武海顺 2006 物理化学学报 22 1520]
[21]	Sun W G, Liu X Y, Wang C Y, Tang Y J, Wu W D, Zhang H Q, Liu M, Yuan L, Xu J J 2009 Acta Phys. Sin. 58 1126 (in Chinese) [孙卫国, 刘秀英, 王朝阳, 唐永建, 吴卫东, 张厚琼, 刘淼, 袁磊, 徐嘉靖 2009 58 1131]
[22]	Jia J F, Wu H S, Jiao H J 2004 Acta Chim. Sin. 62 1385 (in Chinese) [贾建峰, 武海顺, 焦海军 2004 化学学报 62 1385]
[23]	Gleiter R, Esser B, Kornmayer S C 2009 Acc. Chem. Res. 42 1108
[24]	Jasti R, Bhattacharjee J, Neaton J B, Bertozzi C R 2008 J. Am. Chem. Soc. 130 17646
[25]	Steinberg B D, Scott L T 2009 Angew. Chem. Int. Ed. 48 5400
[26]	Takaba H, Omachi H, Yamamoto Y, Bouffard J, Itami K 2009 Angew. Chem. Int. Ed. 48 6112
[27]	Omachi H, Matsuura S, Segawa Y, Itami K 2010 Angew. Chem. Int. Ed. 49 10202
[28]	Yamago S, Watanabe Y, Iwamoto T 2010 Angew. Chem. Int. Ed. 49 757
[29]	Sisto T J, Golder M R, Hirst E S, Jasti R 2011 J. Am. Chem. Soc. 133 15800
[30]	Ishii Y, Nakanishi Y, Omachi H, Matsuura S, Matsui K, Shinohara H, Segawa Y, Itami K 2012 Chem. Sci. 3 2340
[31]	Xia J, Jasti R 2012 Angew. Chem. Int. Ed. 51 2474
[32]	Segawa Y, Miyamoto S, Omachi H, Matsuura S, Šenel P, Sasamori T, Tokitoh N, Itami K 2011 Angew. Chem. Int. Ed. 50 3244
[33]	Jasti R, Sisto T 2012 Synlett. 23 483
[34]	Chen Z, Jiang D E, Lu X, Bettinger H F, Dai S, Schleyer P V, Houk K N 2007 Org. Lett. 9 5449
[35]	Choi H S, Kim K S 1999 Angew. Chem. Int. Ed. 38 2256
[36]	Chen Y K, Liu L V, Tian W Q, Wang Y A 2011 J. Phys. Chem. C 115 9306
[37]	Wang X, Liew K M 2012 J. Phys. Chem. C 116 1702
[38]	Wang C, Wang L G, Zhang H Y, Terence K S W 2010 Acta Phys. Sin. 59 536 (in Chinese) [王畅, 王利光, 张鸿宇, Terence K S W 2010 59 536]
[39]	Yang C, Zhang B X, Feng Y F, Yu Y 2009 Acta Phys. Sin. 58 4066 (in Chinese) [杨春, 张变霞, 冯玉芳, 余毅 2009 58 4066]
[40]	Baibarac M, Lira Cantú M, Oró Solé J, Casañ Pastor N, Gomez Romero P 2006 Small 2 1075
[41]	Liu Y Q 2010 Organic Nano and Molecular Devices (Beijing:Science Publishing House) p101 (in Chinese) [刘云圻2010 有机纳米与分子器件(北京:科学出版社) 第101页]
[42]	Schleyer P V, Maerker C, Dransfeld A, Jiao H J, Hommes N 1996 J. Am. Chem. Soc. 118 6317
[43]	Martin R L 2003 J. Chem. Phys. 118 4775
[44]	Tretiak S, Mukamel S 2002 Chem. Rev. 102 3171
[45]	Frisch M J, Trucks G W, Schlegel H B, Scuseria G E, Robb M A, Cheeseman J R, Scalmani G, Barone V, Mennucci B, Petersson G A, Nakatsuji H, Caricato M, Li X, Hratchian H P, Izmaylov A F, Bloino J, Zheng G, Sonnenberg J L, Hada M, Ehara M, Toyota K, Fukuda R, Hasegawa J, Ishida M, Nakajima T, Honda Y, Kitao O, Nakai H, Vreven T, Montgomery Jr J A, Peralta J E, Ogliaro F, Bearpark M, Heyd J J, Brothers E, Kudin K N, Staroverov V N, Kobayashi R, Normand J, Raghavachari K, Rendell A, Burant J C, Iyengar S S, Tomasi J, Cossi M, Rega N, Millam J M, Klene M, Knox J E, Cross J B, Bakken V, Adamo C, Jaramillo J, Gomperts R, Stratmann R E, Yazyev O, Austin A J, Cammi R, Pomelli C, Ochterski J W, Martin R L, Morokuma K, Zakrzewski V G, Voth G A, Salvador P, Dannenberg J J, Dapprich S, Daniels A D, Farkas O, Foresman J B, Ortiz J V, Cioslowski J, Fox D J 2009 Gaussian 09 (Revision A.02 Gaussian, Inc. Wallingford CT)
[46]	Zhao Y, Truhlar D G 2008 Acc. Chem. Res. 41 157
[47]	Scholes G D, Tretiak S, McDonald T J, Metzger W K, Engtrakul C, Rumbles G, Heben M J 2007 J. Phys. Chem. C 111 11139
[48]	Wong B M 2009 J. Phys. Chem. C 113 21921

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