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Cu2S量子点作为一种新型半导体纳米材料以其特有的化学及光学性质而越来越被人们所关注. 本文通过应用COMSOL Multiphysics4.2a这一基于有限元法的模拟软件, 运用其中的电磁波模块, 结合Maxwell电磁波理论对影响Cu2S量子点产生表 面等离激元共振的条件做出了模拟分析, 运用Kretschmann棱镜耦合系统建立了理论模型, 通过改变量子点的粒径、有机溶剂的折射率、入射光的波长以及对量子点进行包裹等方式, 模拟出在不同条件下Cu2S量子点产生表面等离激元共振信号的情况, 为Cu2S量子点在表面等离激元共振传感中的实际应用提供了理论依据和参考.
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关键词:
- COMSOL Multiphysics /
- Cu2S量子点 /
- 表面等离激元共振 /
- 有限元法
As a new type of nano-semiconductor material, Cu2S quantum dot (QD) has received much attention due to its particular chemical and optical properties. In this paper we use COMSOL Multiphysics 4.2a software, select Radio Frequency model and combine the Maxwell theory to simulate and analyze the factors influencing Cu2S with its SPR. By using the Kretschmann prism coupling model, changing the QD size, the refractive index of QD solvent, the wavelength of incident light and coated substance of the QD, the data about how the SPR appears and the effectsof those factors are obtained. So the simulation results will be a theoretical foundation and reference to the further study.-
Keywords:
- COMSOL Multiphysics /
- Cu2S QDs /
- surface plasmon resonance /
- FEM
[1] Wu D H 2012 M.S. Thesis (Chengdu:Southwest Jiaotong University) (in Chinese) [吴德志 2012 硕士学位论文 (成都: 西南交通大学)]
[2] Li S S 2012 M.S. Thesis (Nanjing: Nanjing University) (in Chinese) [李思诗 2012 硕士学位论文 (南京: 南京大学)]
[3] Tong L M, Xu H X 2012 Phys. 9 582 (in Chinese) [童廉明, 徐红星 2012 物理 9 582]
[4] He W D, Zhang W, Li P 2011 Sci. Bull. 20 1585 (in Chinese) [贺卫东, 张伟, 栗苹 2011 科学通报 20 1585]
[5] Zou W B, Zhou J, Jin L, Zhang H P 2012 Acta Phys. Sin. 9 097805 (in Chinese) [邹伟博, 周骏, 金理, 张昊鹏 2012 物理学报 9 097805]
[6] Luther J M, Prashant K, Jain. Trevor Ewers A, Paul Alivisatos 2011 Nature Materials 10 361
[7] Otto A 1968 Z Phys. 216 398
[8] Kretschmann E, Raether H Z 1968 Natureforsch 23A 2135
[9] Cao Z X 2008 Acta Photo. Sin. 8 1563 (in Chinese) [曹振新 2008 光子学报 8 1563]
[10] Davletshin Y R, Anna Lombardi, Fernanda Cardinal M, Vincent Juve, Aure’ lien Crut, Paolo Maioli, Liz-Marzan L M, Fabrice Vallee, Natalia Del Fatti, Carl Kumaradas J 2012 ACS Nano 6 8183
[11] Sepúlveda B, Carrascosa L G, Regatos D, Otte M A, Fariña D, Lechuga L M 2009 Proc of SPIE 7397 73970Y-1
[12] Paras N. Prasad(translated by He S L) 2006 Introduction to Biophotonics (Zhejiang: Zhejiang University Press) pp301-302 (in Chinese) [Paras N. Prasad著 (何赛灵译) 2006 生物光子学导论 (浙江: 浙江大学出版社) 第301–302页]
[13] Zeng R, Rong M Z, Zhang M Q, Liang H C, Zeng H M 2000 Jour. of Mate. Res. 5 475 (in Chinese) [曾戎, 容敏智, 章明秋, 梁海春, 曾汉民 2000 材料研究学报 5 475]
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[1] Wu D H 2012 M.S. Thesis (Chengdu:Southwest Jiaotong University) (in Chinese) [吴德志 2012 硕士学位论文 (成都: 西南交通大学)]
[2] Li S S 2012 M.S. Thesis (Nanjing: Nanjing University) (in Chinese) [李思诗 2012 硕士学位论文 (南京: 南京大学)]
[3] Tong L M, Xu H X 2012 Phys. 9 582 (in Chinese) [童廉明, 徐红星 2012 物理 9 582]
[4] He W D, Zhang W, Li P 2011 Sci. Bull. 20 1585 (in Chinese) [贺卫东, 张伟, 栗苹 2011 科学通报 20 1585]
[5] Zou W B, Zhou J, Jin L, Zhang H P 2012 Acta Phys. Sin. 9 097805 (in Chinese) [邹伟博, 周骏, 金理, 张昊鹏 2012 物理学报 9 097805]
[6] Luther J M, Prashant K, Jain. Trevor Ewers A, Paul Alivisatos 2011 Nature Materials 10 361
[7] Otto A 1968 Z Phys. 216 398
[8] Kretschmann E, Raether H Z 1968 Natureforsch 23A 2135
[9] Cao Z X 2008 Acta Photo. Sin. 8 1563 (in Chinese) [曹振新 2008 光子学报 8 1563]
[10] Davletshin Y R, Anna Lombardi, Fernanda Cardinal M, Vincent Juve, Aure’ lien Crut, Paolo Maioli, Liz-Marzan L M, Fabrice Vallee, Natalia Del Fatti, Carl Kumaradas J 2012 ACS Nano 6 8183
[11] Sepúlveda B, Carrascosa L G, Regatos D, Otte M A, Fariña D, Lechuga L M 2009 Proc of SPIE 7397 73970Y-1
[12] Paras N. Prasad(translated by He S L) 2006 Introduction to Biophotonics (Zhejiang: Zhejiang University Press) pp301-302 (in Chinese) [Paras N. Prasad著 (何赛灵译) 2006 生物光子学导论 (浙江: 浙江大学出版社) 第301–302页]
[13] Zeng R, Rong M Z, Zhang M Q, Liang H C, Zeng H M 2000 Jour. of Mate. Res. 5 475 (in Chinese) [曾戎, 容敏智, 章明秋, 梁海春, 曾汉民 2000 材料研究学报 5 475]
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