Air-stable n-type colloidal quantum dot solids

Nature Materials

Volumn 13, Issue 8, 2014, Pages 822-828

  Ning, Zhijun ^a   Voznyy, Oleksandr ^a   Pan, Jun ^b   Hoogland, Sjoerd ^a   Adinolfi, Valerio ^a   Xu, Jixian ^a   Li, Min ^c   Kirmani, Ahmad R ^b   Sun, Jon Paul ^d   Minor, James ^a   Kemp, Kyle W ^a   Dong, Haopeng ^a   Rollny, Lisa ^a   Labelle, André ^a   Carey, Graham ^a   Sutherland, Brandon ^a   Hill, Ian ^d   Amassian, Aram ^b   Liu, Huan ^c   Tang, Jiang ^e   Bakr, Osman M ^b   Sargent, Edward H ^a   more..

^a UNIVERSITY OF TORONTO   (Canada)

^b KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Saudi Arabia)

^c HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

^d DALHOUSIE UNIVERSITY   (Canada)

^e HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

SEMICONDUCTOR JUNCTIONS; SOLAR ENERGY;

COLLOIDAL QUANTUM DOTS; ELECTRONIC DEVICE; JUNCTION DEVICES; MATERIALS PROCESSING; N-TYPE SEMICONDUCTORS; OXIDATIVE ATTACK; SOLAR POWER CONVERSION; SPECIFIC DETECTION;

SEMICONDUCTOR QUANTUM DOTS;

EID: 84904724549     PISSN: 14761122     EISSN: 14764660     Source Type: Journal    
DOI: 10.1038/nmat4007     Document Type: Article

References (50)

1. Shirasaki, Y., Supran, G. J., Bawendi, M. G. & Bulovic, V. Emergence of colloidal quantum-dot light-emitting technologies. Nature Photon. 7, 13-23 (2013).
2. Sun, L. et al. Bright infrared quantum-dot light-emitting diodes through inter-dot spacing control. Nature Nanotech. 7, 369-373 (2012).
3. Tang, J. et al. Colloidal-quantum-dot photovoltaics using atomic-ligand passivation. Nature Mater. 10, 765-771 (2011).
4. Wang, X. et al. Tandem colloidal quantum dot solar cells employing a graded recombination layer. Nature Photon. 5, 480-484 (2011).
5. Luther, J. M. et al. Schottky solar cells based on colloidal nanocrystal films. Nano Lett. 8, 3488-3492 (2008).
6. Brown, P. R. et al. Improved current extraction from ZnO/PbS quantum dot heterojunction photovoltaics using a MoO3 interfacial layer. Nano Lett. 11, 2955-2961 (2011).
7. Ma,W. et al. Photovoltaic performance of ultrasmall PbSe quantum dots. ACS Nano 5, 8140-8147 (2011).
8. Konstantatos, G. et al. Ultrasensitive solution-cast quantum dot photodetectors. Nature 442, 180-183 (2006).
9. David, K. K., Lai, Y., Diroll, B. T., Murray, C. B. & Kagan, C. R. Flexible and low-voltage integrated circuits constructed from high-performance nanocrystal transistors. Nature Commun. 3, 1216 (2012).
10. Lee, J. S., Kovalenko, M. V., Huang, J., Chung, D. S. & Talapin, D. V. Band-like transport, high electron mobility and high photoconductivity in all-inorganic nanocrystal arrays. Nature Nanotech. 6, 348-352 (2011).
11. Choi, J. H. et al. Bandlike transport in strongly coupled and doped quantum dot solids: A route to high-performance thin-film electronics. Nano Lett. 12, 2631-2638 (2012).
12. Choi, J. H. et al. In-situ repair of high-performance, flexible nanocrystal electronics for large-area fabrication and operation in air. ACS Nano 7, 8275-8283 (2013).
13. Sargent, E. H. Colloidal quantum dot solar cells. Nature Photon. 6, 133-135 (2012).
14. Johnston, K.W. et al. Schottky-quantum dot photovoltaics for e-cient infrared power conversion. Appl. Phys. Lett. 92, 151115 (2008).
15. Pattantyus-Abraham, A. G. et al. Depleted-heterojunction colloidal quantum dot solar cells. ACS Nano 4, 3374-3380 (2010).
16. Engel, J. H., Surendranath, Y. & Alivisatos, A. P. Controlled chemical doping of semiconductor nanocrystals using redox bu-ers. J. Am. Chem. Soc. 134, 13200-13203 (2012).
17. Chang, L-Y., Lunt, R. R., Brown, P. R., Bulovic, V. & Bawendi, M. G. Low-temperature solution-processed solar cells based on PbS colloidal quantum dot/CdS heterojunctions. Nano Lett. 13, 994-999 (2013).
18. Osedach, T. P. et al. Bias-stress effect in 1, 2-ethanedithiol-treated PbS quantum dot field effect transistors. ACS Nano 6, 3121-3127 (2012).
19. Zhao, N. et al. Colloidal PbS quantum dot solar cells with high fill factor. ACS Nano 4, 3743-3752 (2010).
20. Jean, J. et al. ZnO Nanowire arrays for enhanced photocurrent in PbS quantum dot solar cells. Adv. Mater. 25, 2790-2796 (2013).
21. Strasfeld, D. B., Dorn, A.,Wanger, D. D. & Bawendi, M. G. Imaging Schottky barriers and ohmic contacts in PbS quantum dot devices. Nano Lett. 12, 569-575 (2012).
22. Luther, J. M. & Pietryga, J. M. Stoichiometry control in quantum dots: A viable analog to impurity doping of bulk materials. ACS Nano 7, 1845-1849 (2013).
23. Lan, X. et al. Self-assembled, nanowire network electrodes for depleted bulk heterojunction solar cells. Adv. Mater. 25, 1769-1773 (2013).
24. Luther, J. M. et al. Stability assessment on a 3% bilayer PbS/ZnO quantum dot heterojunction solar cell. Adv. Mater. 22, 3704-3707 (2013).
25. Nozik, A. J. et al. Semiconductor quantum dots and quantum dot arrays and applications of multiple exciton generation to third-generation photovoltaic solar cells. Chem. Rev. 110, 6873-6890 (2010).
26. Scheele, M. et al. Nonmonotonic size dependence in the hole mobility of methoxide-stabilized PbSe quantum dot solids. ACS Nano 7, 6774-6781 (2013).
27. Ma,W., Luther, J. M., Zheng, H.,Wu, Y. & Alivisatos, A. P. Photovoltaic devices employing ternary PbSxSe1-x nanocrystals. Nano Lett. 9, 1699-1703 (2009).
28. Engel, J. & Alivisatos, A. P. Postsynthetic doping control of nanocrystal thin films: Balancing space charge to improve photovoltaic e-ciency. Chem. Mater. 26, 153-162 (2014).
29. Ning, Z. et al. Wave-function engineering of CdSe/CdS Core/Shell quantum dots for enhanced electron transfer to a TiO2 Substrate. J. Phys. Chem. C 114, 15184-15189 (2010).
30. Ip, A. H. et al. Hybrid passivated colloidal quantum dot solids. Nature Nanotech. 7, 577-582 (2012).
31. Research Cell Efficiency Records by National Renewable Energy Laboratory, version at November 2013. http://www.nrel.gov/ncpv/images/e-ciency-chart.jpg
32. Zhitomirsky, D. et al. N-type colloidal-quantum-dot solids for photovoltaics. Adv. Mater. 24, 6181-6185 (2012).
33. Tang, J. et al. Quantum junction solar cells. Nano Lett. 12, 4889-4894 (2012).
34. Ning, Z. et al. Graded doping for enhanced colloidal quantum dot photovoltaics. Adv. Mater. 25, 1719-1723 (2013).
35. Wei, P., Oh, J. H., Dong, G. F. & Bao, Z. Use of a 1H-benzoimidazole derivative as an n-type dopant and to enable air-stable solution-processed n-channel organic thin-film transistors. J. Am. Chem. Soc. 132, 8852-8853 (2010).
36. Liu, Y. PbSe Quantum dot field effect transistors with air-stable electron mobilities above 7 cm2 V-1 s-1. Nano Lett. 13, 1578-1587 (2013).
37. Shim, M. & Guyot-Sionnest, P. n-type colloidal semiconductor nanocrystals. Nature 407, 981-983 (2000).
38. Talapin, D. V. & Murray, C. B. PbSe nanocrystal solids for n- and p-channel thin film field effect transistors. Science 310, 86-89 (2005).
39. Mocatta, D. et al. Heavily doped semiconductor nanocrystal quantum dots. Science 332, 77-81 (2011).
40. Koh,W-k. et al. Heavily doped n-type PbSe and PbS nanocrystals using ground-state charge transfer from cobaltocene. Sci. Rep. 3, 2004 (2013).
41. Voznyy, O. et al. Charge-orbital balance picture of doping in colloidal quantum dot solids. ACS Nano 6, 8448-8455 (2012).
42. Hassinen, A. et al. Short-chain alcohols strip X-type ligands and quench the luminescence of PbSe and CdSe quantum dots, acetonitrile does not. J. Am. Chem. Soc. 134, 20705-20712 (2012).
43. Vande Vondele, J. et al. Quickstep: Fast and accurate density functional calculations using a mixed Gaussian and plane waves approach. Comput. Phys. Commun. 167, 103-128 (2005).
44. Pearson, R. G. Hard and soft acids and bases. J. Am. Chem. Soc. 85, 3533-3539 (1963).
45. Ning, Z. et al. All-inorganic colloidal quantum dot photovoltaics employing solution-phase halide passivation. Adv. Mater. 24, 6295-6299 (2012).
46. Burgelman, M., Nollet, P. & Degrave, S. Modelling polycrystalline semiconductor solar cells. Thin Solid Films 361-362, 527-532 (2000).
47. Liu, H. et al. Tin oxide films for nitrogen dioxide gas detection at low temperatures. Sens. Actuat. B 177, 460-466 (2013).
48. Barkhouse, D. A. R. et al. Depleted bulk heterojunction colloidal quantum dot photovoltaics. Adv. Mater. 23, 3134-3138 (2011).
49. Liu, H. et al. Systematic optimization of quantum junction colloidal quantum dot solar cells. Appl. Phys. Lett. 101, 151112 (2012).
50. Liu, H. et al. Electron acceptor materials engineering in colloidal quantum dot solar cells. Adv. Mater. 23, 3832-3837 (2011).