N, B原子取代调控M-OPE分子器件的量子干涉与自旋输运

彭淑平; 邓淑玲; 刘乾; 董丞骐; 范志强

doi:10.7498/aps.73.20240174

摘要

采用第一性原理计算基础上结合非平衡格林函数方法, 开展了N, B原子取代对间苯乙烯低聚物(M-OPE)分子器件量子干涉与自旋输运的调控研究. 研究结果表明N, B原子在中心苯环不同位置取代对M-OPE分子器件原有的相消量子干涉抑制程度不同. 因此, N, B原子在不同位置取代后的器件电导存在较大差异. 研究还发现B原子取代的器件自旋电流值要明显高于N原子取代的器件, 且B原子在特定位置取代后, 器件在负偏压下的自旋电流值要明显大于正偏压下的自旋电流值, 呈现显著的自旋整流效应. 本文得到的N, B原子取代对分子体系量子干涉和自旋输运调控的物理机制, 可以为杂环芳烃在分子电子学中的进一步应用提供理论指导.

关键词:

Abstract

In this paper, the first-principles method based on density functional theory and non-equilibrium Green’s function is used to investigate the modulation of quantum interference and spin transport in N and B atom substituted meta-phenylene (M-OPE) molecular devices. The zero bias spin transmission spectrum of M-OPE molecular device shows that highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) are located at higher energy positions on both sides of the Fermi level, and there is a clear transmission spectrum valley (anti resonance peak) on the right side of the Fermi level. This indicates that M-OPE molecules are typical destructive quantum interference molecular systems. Research has found that N and B atoms replace carbon atoms at positions 1, 2, and 3 on the central ring of the molecule, which suppress the original destructive quantum interference of M-OPE molecular device to different extents. The substitution of N and B atoms at position 1 has no effect on the original destructive quantum interference of M-OPE molecular device, while the substitution of N and B atoms at positions 2 and 3 significantly suppresses the original destructive quantum interference of M-OPE molecular device. Therefore, there is a significant difference in the electrical conductivity of devices with N and B atoms at different positions, with the order of electrical conductivity values being N2 > N3 > N1 and B2 > B3 > B1. In this study, it is also found that the spin current value of device with B atom substitution is significantly higher than that of device with N atom substitution. After the substitution of B atom at position 2, the spin current value of the device under negative bias is significantly greater than that under positive bias, exhibiting a significant spin rectification effect. Based on the extended curled arrow rule proposed by O’Driscoll et al. to predict the behavior of quantum interference effects, we explain the physical mechanism by which N and B protons at different positions have different effects on the suppression of quantum interference in M-OPE molecular device. The results of the quantum interference and spin transport regulation of molecular systems by the substitution of B and N atoms can provide theoretical guidance for realizing the further application of heterocyclic aromatic hydrocarbons in molecular electronics.

Keywords:

作者及机构信息

1.
长沙理工大学物理与电子科学学院, 长沙　410114

2.
南京工业大学环境科学与工程学院, 南京　211816

通信作者: 范志强, zqfan@csust.edu.cn

基金项目: 国家自然科学基金(批准号: 12074046)和湖南省研究生科研创新项目(批准号: CXCLY2022141)资助的课题.

Authors and contacts

1.
School of Physics and Electronic Science, Changsha University of Science and Technology, Changsha 410114, China

2.
College of Environmental Science and Engineering, Nanjing University of Technology, Nanjing 211816, China

Corresponding author: Fan Zhi-Qiang, zqfan@csust.edu.cn

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 12074046) and the Hunan Provincial Postgraduate Scientific Research and Innovation Project, China (Grant No. CXCLY2022141).

文章全文

参考文献

[1]	闫瑞, 吴泽文, 谢稳泽, 李丹, 王音 2018 物理学报 67 097301 Google Scholar Yan R, Wu Z W, Xie W Z, Li D, Wang Y 2018 Acta Phys. Sin. 67 097301 Google Scholar
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[3]	Su T A, Neupane M, Steigerwald M L, Venkataraman L, Nuckolls C 2016 Nat. Rev. Mater. 1 16002 Google Scholar
[4]	Li Y, Zhou Y, Li Y, Hong W, Li H 2022 J. Phys. Chem. C 126 6420 Google Scholar
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[6]	Liu J, Huang X, Wang F, Hong W 2019 Acc. Chem. Res. 52 151 Google Scholar
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[8]	Hirai M, Tanaka N, Sakai M, Yamaguchi S 2019 Chem. Rev. 119 8291 Google Scholar
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施引文献

图 1 N或B原子取代后M-OPE分子结示意图

Fig. 1. Schematic diagram of M-OPE molecular junction after N or B atom substitution.

下载: 全尺寸图片幻灯片

图 2 零偏压下(a) M-OPE和(b) N1的自旋透射谱. 红线和蓝线分别代表自旋向上和自旋向下

Fig. 2. Spin transmission spectra of (a) M-OPE and (b) N1 under zero bias. Red and blue lines represent spin up and spin down, respectively.

下载: 全尺寸图片幻灯片

图 3 (a) 零偏压下N2的自旋透射谱; (b) HOMO-up和HOMO-down位置的透射本征态. Isovalue的取值固定为0.35

Fig. 3. (a) Spin transmission spectrum of N2 under zero bias; (b) transmission eigenstates of HOMO-up and HOMO-down. The isovalue is fixed at 0.35.

下载: 全尺寸图片幻灯片

图 4 (a) 零偏压下N3的自旋透射谱; (b) LUMO-up和LUMO-down位置的透射本征态. Isovalue的取值固定为0.35

Fig. 4. (a) Spin transmission spectrum of N3 under zero bias; (b) transmission eigenstates of LUMO-up and LUMO-down. The isovalue is fixed at 0.35.

下载: 全尺寸图片幻灯片

图 5 零偏压下(a) B1和(b) B3的自旋透射谱

Fig. 5. Spin transmission spectra of (a) B1 and (b) B3 under zero bias.

下载: 全尺寸图片幻灯片

图 6 (a) 零偏压下B2的自旋透射谱; (b) LUMO-up和LUMO-down位置的透射本征态. Isovalue的取值固定为0.35

Fig. 6. (a) Spin transmission spectrum of B2 under zero bias; (b) transmission eigenstates of LUMO-up and LUMO-down. The isovalue is fixed at 0.35.

下载: 全尺寸图片幻灯片

图 7 器件的自旋电流-电压特性　(a) N1; (b) N2; (c) N3; (d) B1; (e) B2; (f) B3

Fig. 7. Spin-resolved current-voltage characteristics of devices: (a) N1; (b) N2; (c) N3; (d) B1; (e) B2; (f) B3.

下载: 全尺寸图片幻灯片

图 8 B原子在1, 2, 3位置取代的量子干涉效应行为预测

Fig. 8. Prediction of quantum interference behavior of B atom substitution at positions 1, 2, and 3.

下载: 全尺寸图片幻灯片

[1]	闫瑞, 吴泽文, 谢稳泽, 李丹, 王音 2018 物理学报 67 097301 Google Scholar Yan R, Wu Z W, Xie W Z, Li D, Wang Y 2018 Acta Phys. Sin. 67 097301 Google Scholar
[2]	Haidar E A, Tawfik S A, Stampfl C, Hirao K, Yoshizawa K, Nakajima T, Nakajima T, Soliman K A, El-Nahas A M 2021 Adv. Theor. Simul. 4 2000203 Google Scholar
[3]	Su T A, Neupane M, Steigerwald M L, Venkataraman L, Nuckolls C 2016 Nat. Rev. Mater. 1 16002 Google Scholar
[4]	Li Y, Zhou Y, Li Y, Hong W, Li H 2022 J. Phys. Chem. C 126 6420 Google Scholar
[5]	李瑞豪, 刘俊扬, 洪文晶 2022 物理学报 71 067303 Google Scholar Li R H, Liu J Y, Hong W J 2022 Acta Phys. Sin. 71 067303 Google Scholar
[6]	Liu J, Huang X, Wang F, Hong W 2019 Acc. Chem. Res. 52 151 Google Scholar
[7]	Fan Z, Chen K 2010 Appl. Phys. Lett. 96 053509 Google Scholar
[8]	Hirai M, Tanaka N, Sakai M, Yamaguchi S 2019 Chem. Rev. 119 8291 Google Scholar
[9]	Liu Q, Li J J, Wu D, Deng X Q, Zhang Z H, Fan Z Q, Chen K Q 2021 Phys. Rev. B 104 045412 Google Scholar
[10]	Tsuji Y, Okazawa K, Kurino K, Yoshizawa K 2022 J. Phys. Chem. C 126 3244 Google Scholar
[11]	Shubin N, Emelianov A, Uspenskii Y, Gorbatsevich A 2021 Phys. Chem. Chem. Phys. 23 20854 Google Scholar
[12]	Ding Z K, Zeng Y J, Pan H, Luo N N, Zeng J, Tang L M, Chen K Q 2022 Phys. Rev. B 106 L121401 Google Scholar
[13]	Pedersen K G L, Strange M, Leijnse M, Hedegård P, Solomon G C, Paaske J 2014 Phys. Rev. B 90 125413 Google Scholar
[14]	Polakovsky A, Showman J, Valdiviezo J, Palma J L 2021 Phys. Chem. Chem. Phys. 23 1550 Google Scholar
[15]	Pan H, Ding Z K, Zeng B W, Luo N N, Zeng J, Tang L M, Chen K Q 2023 Phys. Rev. B 107 104303 Google Scholar
[16]	Qu F Y, Zhao Z H, Ren X R, Zhang S F, Wang L, Wang D 2022 Phys. Chem. Chem. Phys. 24 26795 Google Scholar
[17]	Baer R, Neuhauser D 2002 J. Am. Chem. Soc. 124 4200 Google Scholar
[18]	He R, Wang D, Luo N, Zeng J, Chen K Q, Tang L M 2023 Phys. Rev. Lett. 130 046401 Google Scholar
[19]	彭淑平, 黄旭东, 刘乾, 任鹏, 伍丹, 范志强 2023 物理学报 72 058501 Google Scholar Peng S P, Huang X D, Liu Q, Ren P, Wu D, Fan Z Q 2023 Acta Phys. Sin. 72 058501 Google Scholar
[20]	Zhang W, Zhao Z B, Tan M, Adijiang A, Zhong S, Xu X, Zhao T, Ramya E, Sun L, Zhao X, Fan Z, Xiang D 2023 Chem. Sci. 14 11456 Google Scholar
[21]	Zhang X J, Long M Q, Chen K Q, Shuai Z, Wan Q, Zou B S, Zhang Y 2009 Appl. Phys. Lett. 94 073503 Google Scholar
[22]	Yang Y, Gantenbein M, Alqorashi A, Wei J, Sangtarash S, Hu D 2018 J. Phys. Chem. C 122 14965 Google Scholar
[23]	Fan Z Q, Zhang Z H, Deng X Q, Tang G P, Chen K Q 2013 Appl. Phys. Lett. 102 023508 Google Scholar
[24]	Wang Y H, Huang H, Yu Z, Zheng J F, Shao Y, Zhou X S, Chen J Z, Li J F 2020 J. Mater. Chem. C 8 6826 Google Scholar
[25]	Wang X Y, Yao X, Narita A, Müllen K 2019 Acc. Chem. Res. 52 2491 Google Scholar
[26]	Liu X S, Sangtarash S, Reber D, Zhang D, Sadeghi H, Shi J, Xiao Z Y, Hong W J, Lambert C J, Liu S X 2017 Angew. Chem. Int. Ed. 56 173 Google Scholar
[27]	Chen Z Z, Wu S D, Lin J L, Chen L C, Cao J J, Shao X, Lambert C J, Zhang H L 2023 Adv. Electron. Mater. 9 2201024 Google Scholar
[28]	Manrique D Z, Huang C, Baghernejad M, Zhao X, Al-Owaedi O A, Sadeghi H 2015 Nat. Commun. 6 6389 Google Scholar
[29]	Büttiker M, Imry Y, Landauer R, Pinhas S 1985 Phys. Rev. B 31 6207 Google Scholar
[30]	Smidstrup S, Markussen T, Vancraeyveld P, et al. 2019 J. Phys. Condens. Matter 32 015901 Google Scholar
[31]	Deng X Q, Zhang Z H, Tang G P, Fan Z Q, Qiu M, Guo C 2012 Appl. Phys. Lett. 100 063107 Google Scholar
[32]	O’Driscoll L J, Bryce M R 2021 Nanoscale 13 1103 Google Scholar
[33]	O’Driscoll L J, Sangtarash S, Xu W, Daaoub A, Hong W J, Sadeghi H, Bryce M R 2021 J. Phys. Chem. C 125 17385 Google Scholar
[34]	Markussen T, Stadler R, Thygesen K S 2010 Nano Lett. 10 4260 Google Scholar
[35]	von Grotthuss E, John A, Kaese T, Wagner M 2018 Asian J. Org. Chem. 7 37 Google Scholar

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N, B原子取代调控M-OPE分子器件的量子干涉与自旋输运