Linker-assisted attachment of cdse quantum dots to TiO2: Time- and concentration-dependent adsorption, agglomeration, and sensitized photocurrent

Langmuir

Volumn 30, Issue 44, 2014, Pages 13293-13300

  Kern, Meghan E ^a   Watson, David F ^a  

^a UNIVERSITY AT BUFFALO   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ABSORPTION SPECTROSCOPY; AGGLOMERATION; DISPERSIONS; FILM PREPARATION; OPTICAL PROPERTIES; SCANNING ELECTRON MICROSCOPY; SEMICONDUCTING CADMIUM COMPOUNDS; TITANIUM DIOXIDE;

CONCENTRATION-DEPENDENT; NANO-CRYSTALLINE TIO; OPTICALLY TRANSPARENT FILMS; PHOTOELECTROCHEMICAL PERFORMANCE; SENSITIZED SOLAR CELLS; SHORT REACTION TIME; SPATIALLY HOMOGENEOUS; SPATIALLY INHOMOGENEOUS;

SEMICONDUCTOR QUANTUM DOTS;

EID: 84911092210     PISSN: 07437463     EISSN: 15205827     Source Type: Journal    
DOI: 10.1021/la503211k     Document Type: Article

References (38)

1. Hodes, G. Comparison of dye- and semiconductor-sensitized porous nanocrystalline liquid junction solar cells J. Phys. Chem. C 2008, 112, 17778-17787
2. Kamat, P. V. Quantum dot solar cells. Semiconductor nanocrystals as light harvesters J. Phys. Chem. C 2008, 112, 18737-18753
3. Hetsch, F.; Xu, X.; Wang, H.; Kershaw, S. V.; Rogach, A. L. Semiconductor nanocrystal quantum dots as solar cell components and photosensitizers: Material, charge transfer, and separation aspects of some device topologies J. Phys. Chem. Lett. 2011, 2, 1879-1887
4. Kamat, P. V. Boosting the efficiency of quantum dot sensitized solar cells through the modulation of interfacial charge transfer Acc. Chem. Res. 2012, 45, 1906-1915
5. Selinsky, R. S.; Ding, Q.; Faber, M. S.; Wright, J. C.; Jin, S. Quantum dot nanoscale heterostructures for solar energy conversion Chem. Soc. Rev. 2013, 42, 2963-2985
6. Hod, I.; Zaban, A. Materials and interfaces in quantum dot sensitized solar cells: Challenges, advances and prospects Langmuir 2014, 30, 7264-7273
7. 2 surfaces Langmuir 2010, 26, 4839-4847
8. Sambur, J. B.; Novet, T.; Parkinson, B. A. Multiple exciton collection in a sensitized photovoltaic system Science 2010, 330, 63-66
9. Zhu, H.; Yang, Y.; Lian, T. Multiexciton annihilation and dissociation in quantum confined semiconductor nanocrystals Acc. Chem. Res. 2012, 46, 1270-1279
10. 2 interfaces J. Phys. Chem. C 2012, 116, 19215-19224
11. 2 nanocrystals J. Phys. Chem. Lett. 2014, 5, 304-309
12. Watson, D. F. Linker-assisted assembly and interfacial electron-transfer reactivity of quantum dot-substrate architectures J. Phys. Chem. Lett. 2010, 1, 2299-2309
13. 2 nanoparticles J. Phys. Chem. C 2009, 113, 3139-3149
14. 2 nanoparticles via molecular linkers with phenylene bridges J. Phys. Chem. C 2009, 25, 18643-18651
15. Hyun, B.-R.; Zhong, Y.-W.; Bartnik, A. C.; Sun, L.; Abruña, H. D.; Wise, F. W.; Goodreau, J. D.; Matthews, J. R.; Leslie, T. M.; Borrelli, N. F. Electron injection from colloidal PbS quantum dots into titanium dioxide nanoparticles ACS Nano 2008, 2, 2206-2212
16. 2 via aqueous linker-assisted assembly: Influence of molecular linkers on electronic properties and interfacial electron transfer ACS Appl. Mater. Interfaces 2011, 3, 4242-4253
17. Zhang, H.; Cheng, K.; Hou, Y. M.; Fang, Z.; Pan, Z. X.; Wu, J. L.; Zhong, X. H. Efficient CdSe quantum dot-sensitized solar cells prepared by a postsynthesis assembly approach Chem. Commun. 2012, 48, 11235-11237
18. Pan, Z.; Huang, H.; Cheng, K.; Hou, Y.; Hua, J.; Zhong, X. Highly efficient inverted type-I CdS/CdSe core/shell structure QD-sensitized solar cells ACS Nano 2012, 6, 3982-3991
19. 1-x alloyed quantum dot sensitized solar cells with more than 6% efficiency and high stability ACS Nano 2013, 7, 5215-5222
20. Wang, J.; Mora-Seró, I.; Pan, Z.; Zhao, K.; Zhang, H.; Feng, Y.; Yang, G.; Zhong, X.; Bisquert, J. Core/shell colloidal quantum dot exciplex states for the development of highly efficient quantum-dot-sensitized solar cells J. Am. Chem. Soc. 2013, 135, 15913-15922
21. Pan, Z.; Mora-Seró, I.; Shen, Q.; Zhang, H.; Li, Y.; Zhao, K.; Wang, J.; Zhong, X.; Bisquert, J. High-efficiency "green" quantum dot solar cells J. Am. Chem. Soc. 2014, 136, 9203-9210
22. 2 films J. Am. Chem. Soc. 2006, 128, 2385-2393
23. 2 via linker-assisted assembly Langmuir 2012, 28, 15598-15605
24. 2: Linked vs. direct attachment J. Phys. Chem. C 2011, 115, 13511-13519
25. King, L. A.; Riley, D. J. Importance of QD purification procedure on surface adsorbance of QDs and performance of QD sensitized photoanodes J. Phys. Chem. C 2012, 116, 3349-3355
26. 2 electrodes: Effect of quantum dot coverage and mode of attachment J. Phys. Chem. C 2009, 113, 4208-4214
27. Qu, L.; Peng, Z. A.; Peng, X. Alternative routes toward high quality CdSe nanocrystals Nano Lett. 2001, 1, 333-337
28. Aldana, J.; Wang, Y. A.; Peng, X. Photochemical instability of CdSe nanocrystals coated by hydrophilic thiols J. Am. Chem. Soc. 2001, 123, 8844-8850
29. Yu, W. W.; Qu, L.; Guo, W.; Peng, X. Experimental determination of the extinction coefficient of CdTe, CdSe, and CdS nanocrystals Chem. Mater. 2003, 15, 2854-2860
30. 2 surfaces: Influence of intralayer disulfide formation on CdSe surface coverage Langmuir 2007, 23, 10924-10928
31. 2 surfaces Langmuir 2007, 23, 3432-3439
32. 2 blocking layer J. Phys. D: Appl. Phys. 2008, 41, 102002
33. 2 electrodes J. Am. Chem. Soc. 1993, 115, 6382-6390
34. 2 Langmuir 2009, 25, 12217-12228
35. Tachan, Z.; Shalom, M.; Hod, I.; Rühle, S.; Tirosh, S.; Zaban, A. PbS as a highly catalytic counter electrode for polysulfide-based quantum dot solar cells J. Phys. Chem. C 2011, 115, 6162-6166
36. Nazeeruddin, M. K.; Klein, C.; Liska, P.; Grätzel, M. Synthesis of novel ruthenium sensitizers and their application in dye-sensitized solar cells Coord. Chem. Rev. 2005, 249, 1460-1467
37. 2 films: In situ proton exchange toward open-circuit photovoltage enhancement Langmuir 2006, 22, 9718-9722
38. Olinger, J. M.; Griffiths, P. R. Quantitative effects of an absorbing matrix on near-infrared diffuse reflectance spectra Anal. Chem. 1988, 60, 2427-2435