辛基三乙氧基硅烷/十八烷基三氯硅烷均相混合自组装单分子膜的表征及其形成机制

引用本文: 朱志文, 徐国华, 安越, 何潮洪. 辛基三乙氧基硅烷/十八烷基三氯硅烷均相混合自组装单分子膜的表征及其形成机制[J]. 物理化学学报, 2014, 30(8): 1509-1517. doi: 10.3866/PKU.WHXB201405282 shu

Citation: ZHU Zhi-Wen, XU Guo-Hua, HE Chao-Hong. Characterization of a Homogeneously Mixed Octyltriethoxyilane/Octadecyltrichlorosilane Self-Assembled Monolayer and Analysis of Its Formation Mechanism[J]. Acta Physico-Chimica Sinica, 2014, 30(8): 1509-1517. doi: 10.3866/PKU.WHXB201405282 shu

辛基三乙氧基硅烷/十八烷基三氯硅烷均相混合自组装单分子膜的表征及其形成机制

摘要:

使用接触角、原子力显微镜（AFM）、静电力显微镜（EFM）和傅里叶变换红外（FTIR）光谱对辛基三乙氧基硅烷（C8TES）/十八烷基三氯硅烷（OTS）均相混合自组装单分子膜（SAM）及其形成过程中样品表面的润湿性、表面形貌、表面电势和膜内分子的有序度进行了表征，对采用分步法利用C8TES分子空间位阻制备C8TES/OTS均相混合SAM的反应机制进行了研究. 结果表明，C8TES/OTS均相混合SAM表面接触角为105°，样品表面平整、光滑；对样品表面电势进行分析后发现，混合SAM表面电势分布均匀，电势频率分布为典型的正态分布；在均相混合SAM的形成过程中，样品表面电势的分布始终十分均匀，电势频率分布均为典型的正态分布；C8TES/OTS均相混合SAM是一种具有上下两层分子排列密度不同的膜结构的单分子膜，其内部结构至少在500 nm×500 nm到20 μm×20 μm尺度上是高度均匀一致的，膜内没有明显的特征结构，具有典型的均相混合SAM特征.

关键词:

English

Characterization of a Homogeneously Mixed Octyltriethoxyilane/Octadecyltrichlorosilane Self-Assembled Monolayer and Analysis of Its Formation Mechanism

1.
Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, P. R. China
Received Date: 18 March 2014
Available Online: 18 July 2014

Abstract:

The wettability, surface topography, surface potential, and degree of order of a homogeneously mixed octyltriethoxysilane (C8TES)/octadecyltrichlorosilane (OTS) self-assembled monolayer (SAM) were characterized by means of contact angle analysis, atomic force microscopy (AFM), electrostatic force microscopy (EFM), and Fourier transform infrared (FTIR) spectroscopy. The formation mechanism of the SAM was studied as the monolayer was constructed using a stepwise approach, taking advantage of the steric hindrance of C8TES. The SAM was found to have a contact angle of 105° and the formation process of the mixed SAM was obviously different from the SAM formation mechanisms of both pure C8TES and OTS. The AFM and EFM characterizations indicated that the mixed SAM had a smooth surface and a homogeneous surface potential distribution with a typical, normal surface potential frequency distribution. The internal structure was highly homogeneous over regions ranging from 500 nm×500 nm to 20 μm×20 μm in size. The FTIR analysis indicated that the mixed SAM had a double-layer film structure, and that the molecular densities were different in the two layers, with the layer closer to the substrate being denser. This work shows that steric hindrance effects can be used to allow the stepwise formation of homogeneously mixed SAMs, and that this method is especially applicable to the construction of the homogeneously mixed SAMs composed of two types of molecules having different head groups.

Key words:

Homogeneously mixed self-assembled monolayer
/ Molecular steric hindrance
/ Octyltriethoxysilane
/ Octadecyltrichlorosilane
/ Electrostatic force microscopy
/ Surface potential

1. [1]
  
  (1) Ji, X. P.; Li, X. R.; Wang, N.; Ni, R. X.; Liu, X. H.; Xiong, H. A. Chinese Chemical Letters 2010, 21, 1239. doi: 10.1016/j.cclet.2010.05.022
  (1) Ji, X. P.; Li, X. R.; Wang, N.; Ni, R. X.; Liu, X. H.; Xiong, H. A. Chinese Chemical Letters 2010, 21, 1239. doi: 10.1016/j.cclet.2010.05.022
2. [2]
  (2) Cancino, J.; Razzino, C. A.; Zucolotto, V.; Machado, S. A. S. Electrochimica Acta 2013, 87, 717. doi: 10.1016/j.electacta.2012.09.080(2) Cancino, J.; Razzino, C. A.; Zucolotto, V.; Machado, S. A. S. Electrochimica Acta 2013, 87, 717. doi: 10.1016/j.electacta.2012.09.080
3. [3]
  (3) Basurto, S.; Torroba, T.; Comes, M.; Martínez-Máñez, R.; Sancenón, F.; Villaescusa, L.; Amorós, P. Org. Lett. 2005, 7, 5469. doi: 10.1021/ol052298+(3) Basurto, S.; Torroba, T.; Comes, M.; Martínez-Máñez, R.; Sancenón, F.; Villaescusa, L.; Amorós, P. Org. Lett. 2005, 7, 5469. doi: 10.1021/ol052298+
4. [4]
  (4) Rickert, J.; Weiss, T.; Göpel, W. Sensors and Actuators B: Chemical 1996, 31, 45. doi: 10.1016/0925-4005(96)80015-3(4) Rickert, J.; Weiss, T.; Göpel, W. Sensors and Actuators B: Chemical 1996, 31, 45. doi: 10.1016/0925-4005(96)80015-3
5. [5]
  (5) Nitahara, S.; Terasaki, N.; Akiyama, T.; Yamada, S. Thin Solid Films 2006, 499, 354. doi: 10.1016/j.tsf.2005.07.014(5) Nitahara, S.; Terasaki, N.; Akiyama, T.; Yamada, S. Thin Solid Films 2006, 499, 354. doi: 10.1016/j.tsf.2005.07.014
6. [6]
  (6) Shen, C. H.; Lin, J. C. Langmuir 2011, 27, 7091. doi: 10.1021/la200906b(6) Shen, C. H.; Lin, J. C. Langmuir 2011, 27, 7091. doi: 10.1021/la200906b
7. [7]
  (7) Shen, C. H.; Lin, J. C. Colloids and Surfaces B: Biointerfaces 2010, 79, 156. doi: 10.1016/j.colsurfb.2010.03.038(7) Shen, C. H.; Lin, J. C. Colloids and Surfaces B: Biointerfaces 2010, 79, 156. doi: 10.1016/j.colsurfb.2010.03.038
8. [8]
  (8) Gupta, P.; Ulman, A.; Fanfan, S.; Korniakov, A.; Loos, K. J. J. Am. Chem. Soc. 2005, 127, 4. doi: 10.1021/ja044623e(8) Gupta, P.; Ulman, A.; Fanfan, S.; Korniakov, A.; Loos, K. J. J. Am. Chem. Soc. 2005, 127, 4. doi: 10.1021/ja044623e
9. [9]
  (9) Bain, C. D.;Whitesides, G. M. Science 1988, 240, 62. doi: 10.1126/science.240.4848.62(9) Bain, C. D.;Whitesides, G. M. Science 1988, 240, 62. doi: 10.1126/science.240.4848.62
10. [10]
  (10) Folkers, J. P.; Laibinis, P. E.; Whitesides, G. M.; Deutch, J. J. Phys. Chem. 1994, 98, 563. doi: 10.1021/j100053a035(10) Folkers, J. P.; Laibinis, P. E.; Whitesides, G. M.; Deutch, J. J. Phys. Chem. 1994, 98, 563. doi: 10.1021/j100053a035
11. [11]
  (11) Laibinis, P. E.; Nuzzo, R. G.;Whitesides, G. M. J. Phys. Chem. 1992, 96, 5097. doi: 10.1021/j100191a065(11) Laibinis, P. E.; Nuzzo, R. G.;Whitesides, G. M. J. Phys. Chem. 1992, 96, 5097. doi: 10.1021/j100191a065
12. [12]
  (12) Kim, Y.; Koo, J. P.; Huh, C.; Ha, J. S.; Pi, U. H.; Choi, S.; Kim, J. Appl. Surf. Sci. 2006, 252, 4951. doi: 10.1016/j.apsusc.2005.07.059(12) Kim, Y.; Koo, J. P.; Huh, C.; Ha, J. S.; Pi, U. H.; Choi, S.; Kim, J. Appl. Surf. Sci. 2006, 252, 4951. doi: 10.1016/j.apsusc.2005.07.059
13. [13]
  (13) Kajiyama, T.; Ge, S.; Kojio, K.; Takahara, A. Supramolecular Science 1996, 3, 123. doi: 10.1016/0968-5677(96)00024-7(13) Kajiyama, T.; Ge, S.; Kojio, K.; Takahara, A. Supramolecular Science 1996, 3, 123. doi: 10.1016/0968-5677(96)00024-7
14. [14]
  (14) Luo, Y.; Bernien, M.; Krüger, A.; Hermanns, C. F.; Miguel, J.; Chang, Y.; Jaekel, S.; Kuch, W.; Haag, R. Langmuir 2011, 28, 358.(14) Luo, Y.; Bernien, M.; Krüger, A.; Hermanns, C. F.; Miguel, J.; Chang, Y.; Jaekel, S.; Kuch, W.; Haag, R. Langmuir 2011, 28, 358.
15. [15]
  (15) Mansueto, M.; Sauer, S.; Butschies, M.; Kaller, M.; Baro, A.; Woerner, R.; Hansen, N. H.; Tovar, G.; Pflaum, J.; Laschat, S. Langmuir 2012, 28, 8399. doi: 10.1021/la300775n(15) Mansueto, M.; Sauer, S.; Butschies, M.; Kaller, M.; Baro, A.; Woerner, R.; Hansen, N. H.; Tovar, G.; Pflaum, J.; Laschat, S. Langmuir 2012, 28, 8399. doi: 10.1021/la300775n
16. [16]
  (16) Feng, J.; Xu, G. H.; An, Y.; Zeng, X. Colloids and Surfaces A: Physicochemical and Engineering Aspects 2008, 316, 194. doi: 10.1016/j.colsurfa.2007.09.013(16) Feng, J.; Xu, G. H.; An, Y.; Zeng, X. Colloids and Surfaces A: Physicochemical and Engineering Aspects 2008, 316, 194. doi: 10.1016/j.colsurfa.2007.09.013
17. [17]
  (17) Zeng, X.; Xu, G.; Gao, Y.; An, Y. J. Phys. Chem. B 2010, 115, 450.(17) Zeng, X.; Xu, G.; Gao, Y.; An, Y. J. Phys. Chem. B 2010, 115, 450.
18. [18]
  (18) Pillai, S.; Pai, R. K. Ultramicroscopy 2009, 109, 161. doi: 10.1016/j.ultramic.2008.10.002(18) Pillai, S.; Pai, R. K. Ultramicroscopy 2009, 109, 161. doi: 10.1016/j.ultramic.2008.10.002
19. [19]
  (19) Meth, S.; Sukenik, C. N. Thin Solid Films 2003, 425, 49. doi: 10.1016/S0040-6090(02)01296-8(19) Meth, S.; Sukenik, C. N. Thin Solid Films 2003, 425, 49. doi: 10.1016/S0040-6090(02)01296-8
20. [20]
  (20) Hild, R.; David, C.; Müller, H. U.; Völkel, B.; Kayser, D. R.; Grunze, M. Langmuir 1998, 14, 342. doi: 10.1021/la970438l(20) Hild, R.; David, C.; Müller, H. U.; Völkel, B.; Kayser, D. R.; Grunze, M. Langmuir 1998, 14, 342. doi: 10.1021/la970438l
21. [21]
  (21) Wasserman, S. R.; Tao, Y. T.;Whitesides, G. M. Langmuir 1989, 5, 1074. doi: 10.1021/la00088a035(21) Wasserman, S. R.; Tao, Y. T.;Whitesides, G. M. Langmuir 1989, 5, 1074. doi: 10.1021/la00088a035
22. [22]
  (22) Shelley, M. Y.; Sprik, M.; Shelley, J. C. Langmuir 1999, 16, 626.(22) Shelley, M. Y.; Sprik, M.; Shelley, J. C. Langmuir 1999, 16, 626.
23. [23]
  (23) Sugimura, H.; Hayashi, K.; Saito, N.; Nakagiri, N.; Takai, O. Appl. Surf. Sci. 2002, 188, 403. doi: 10.1016/S0169-4332(01)00958-8(23) Sugimura, H.; Hayashi, K.; Saito, N.; Nakagiri, N.; Takai, O. Appl. Surf. Sci. 2002, 188, 403. doi: 10.1016/S0169-4332(01)00958-8
24. [24]
  (24) Xu, G. H.; Ko, H. Acta Phys. -Chim. Sin. 1999, 5, 458. [徐国华, Ko, H.物理化学学报, 1999, 5, 458]. doi: 10.3866/PKU.WHXB19990514(24) Xu, G. H.; Ko, H. Acta Phys. -Chim. Sin. 1999, 5, 458. [徐国华, Ko, H.物理化学学报, 1999, 5, 458]. doi: 10.3866/PKU.WHXB19990514
25. [25]
  (25) Helmholtz, H. Abhandlungen zur Thermodynamik Chemischer Vorgänge; Herausgegeben von Dr. MaxPlank: Leipzig, 1902; p 51.(25) Helmholtz, H. Abhandlungen zur Thermodynamik Chemischer Vorgänge; Herausgegeben von Dr. MaxPlank: Leipzig, 1902; p 51.
26. [26]
  (26) Bush, B. G.; DelRio, F. W.; Opatkiewicz, J.; Maboudian, R.; Carraro, C. J. Phys. Chem. A 2007, 111, 12339.(26) Bush, B. G.; DelRio, F. W.; Opatkiewicz, J.; Maboudian, R.; Carraro, C. J. Phys. Chem. A 2007, 111, 12339.
27. [27]
  (27) Fujihira, M. Annu. Rev. Mater. Sci. 1999, 29, 353. doi: 10.1146/annurev.matsci.29.1.353(27) Fujihira, M. Annu. Rev. Mater. Sci. 1999, 29, 353. doi: 10.1146/annurev.matsci.29.1.353
28. [28]
  (28) Lü, J.; Delamarche, E.; Eng, L.; Bennewitz, R.; Meyer, E.; Güntherodt, H. J. Langmuir 1999, 15, 8184. doi: 10.1021/la9904861(28) Lü, J.; Delamarche, E.; Eng, L.; Bennewitz, R.; Meyer, E.; Güntherodt, H. J. Langmuir 1999, 15, 8184. doi: 10.1021/la9904861
29. [29]
  (29) Brzoska, J. B.; Shahidzadeh, N.; Rondelez, E. Nature 1992, 36, 719.(29) Brzoska, J. B.; Shahidzadeh, N.; Rondelez, E. Nature 1992, 36, 719.
30. [30]
  (30) Carraro, C.; Yauw, O. W.; Sung, M. M.; Maboudian, R. J. Phys. Chem. B 1998, 102, 4441. doi: 10.1021/jp981019f(30) Carraro, C.; Yauw, O. W.; Sung, M. M.; Maboudian, R. J. Phys. Chem. B 1998, 102, 4441. doi: 10.1021/jp981019f
31. [31]
  (31) Banga, R.; Yarwood, J.; Morgan, A. M.; Evans, B.; Kells, J. Langmuir 1995, 11, 4393. doi: 10.1021/la00011a036(31) Banga, R.; Yarwood, J.; Morgan, A. M.; Evans, B.; Kells, J. Langmuir 1995, 11, 4393. doi: 10.1021/la00011a036
32. [32]
  (32) Raman, A.; Gawalt, E. S. Langmuir 2007, 23, 2284. doi: 10.1021/la063089g(32) Raman, A.; Gawalt, E. S. Langmuir 2007, 23, 2284. doi: 10.1021/la063089g
33. [33]
  (33) Mielczarski, J. A.; Yoon, R. H. Langmuir 1991, 7, 101. doi: 10.1021/la00049a020(33) Mielczarski, J. A.; Yoon, R. H. Langmuir 1991, 7, 101. doi: 10.1021/la00049a020
34. [34]
  (34) Love, J. C.; Wolfe, D. B.; Haasch, R.; Chabinyc, M. L.; Paul, K. E.;Whitesides, G. M.; Nuzzo, R. G. J. Am. Chem. Soc. 2003, 125, 2597. doi: 10.1021/ja028692+(34) Love, J. C.; Wolfe, D. B.; Haasch, R.; Chabinyc, M. L.; Paul, K. E.;Whitesides, G. M.; Nuzzo, R. G. J. Am. Chem. Soc. 2003, 125, 2597. doi: 10.1021/ja028692+
35. [35]
  (35) Vilt, S. G.; Leng, Z.; Booth, B. D.; McCabe, C.; Jennings, G. K. J. Phys. Chem. C 2009, 113, 14972. doi: 10.1021/jp904809h(35) Vilt, S. G.; Leng, Z.; Booth, B. D.; McCabe, C.; Jennings, G. K. J. Phys. Chem. C 2009, 113, 14972. doi: 10.1021/jp904809h
36. [36]
  (36) Folkers, J. P.; Laibinis, P. E.;Whitesides, G. M. Langmuir 1992, 8, 1330. doi: 10.1021/la00041a015
  (36) Folkers, J. P.; Laibinis, P. E.;Whitesides, G. M. Langmuir 1992, 8, 1330. doi: 10.1021/la00041a015

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

辛基三乙氧基硅烷/十八烷基三氯硅烷均相混合自组装单分子膜的表征及其形成机制

English

Characterization of a Homogeneously Mixed Octyltriethoxyilane/Octadecyltrichlorosilane Self-Assembled Monolayer and Analysis of Its Formation Mechanism

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

辛基三乙氧基硅烷/十八烷基三氯硅烷均相混合自组装单分子膜的表征及其形成机制

English

Characterization of a Homogeneously Mixed Octyltriethoxyilane/Octadecyltrichlorosilane Self-Assembled Monolayer and Analysis of Its Formation Mechanism

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

CCS Chemistry：颜徐州、鲍哲南：你的皮肤可能是一片SPMs