Nanoscale imaging of photocurrent and efficiency in CdTe solar cells

ACS Nano

Volumn 8, Issue 11, 2014, Pages 11883-11890

  Leite, Marina S ^a,b,c   Abashin, Maxim ^b,c   Lezec, Henri J ^b   Gianfrancesco, Anthony ^b   Talin, A Alec ^b,d   Zhitenev, Nikolai B ^b  

^a UNIVERSITY OF MARYLAND   (United States)

^b NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY   (United States)

^c UNIVERSITY OF MARYLAND   (United States)

^d SANDIA NATIONAL LABORATORIES   (United States)

Author keywords

CdTe; NSOM; Photovoltaics; Scanning photocurrent microscopy; Solar cells

Indexed keywords

CADMIUM TELLURIDE; EFFICIENCY; ENERGY GAP; GRAIN BOUNDARIES; II-VI SEMICONDUCTORS; NEAR FIELD SCANNING OPTICAL MICROSCOPY; PHOTOCURRENTS; SCANNING; SOLAR CELLS; SOLAR POWER GENERATION; THIN FILM SOLAR CELLS; TOPOGRAPHY;

CDTE; COLLECTION EFFICIENCY; EXTERNAL QUANTUM EFFICIENCY; MATERIAL COMPOSITIONS; PHOTOGENERATED CARRIERS; PHOTOVOLTAICS; POLYCRYSTALLINE SOLAR CELLS; SCANNING PHOTOCURRENT MICROSCOPIES;

NANOSTRUCTURED MATERIALS;

EID: 84912558047     PISSN: 19360851     EISSN: 1936086X     Source Type: Journal    
DOI: 10.1021/nn5052585     Document Type: Article

References (37)

1. http://www.firstsolar.com/.
2. Green, M. A.; Emery, K.; Hishikawa, Y.; Warta, W.; Dunlop, E. D. Solar Cell Efficiency Tables (version 43). Prog. Photovoltaics 2014, 22, 1-9.
3. Shockley, W.; Queisser, H. J. Detailed Balance Limit of p-n Junction Solar Cells. J. Appl. Phys. 1961, 32, 510.
4. Nayak, P. K.; Bisquert, J.; Cahen, D. Assessing Possibilities and Limits for Solar Cells. Adv. Mater. 2011, 23, 2870-2876.
5. http://www.pv-tech.org.
6. Li, C.; Wu, Y.; Poplawsky, J.; Pennycook, T. J.; Paudel, N.; Yin, W.; Haigh, S. J.; Oxley, M. P.; Lupini, A. R.; Al-Jassim, M.; et al. Grain-Boundary-Enhanced Carrier Collection in CdTe Solar Cells. Phys. Rev. Lett. 2014, 112, 156103.
7. Galloway, S. A.; Brinkman, A. W.; Durose, K.; Wilshaw, P. R.; Holland, A. J. A Study of the Effects of Post-deposition Treatments on CdS/CdTe Thin Film Solar Cells Using High Resolution Optical Beam Induced Current. Appl. Phys. Lett. 1996, 68, 3725-3727.
8. 2 on the Electronic Properties of Molecular-Beam Epitaxially Grown CdTe/CdS Heterojunction Solar Cells. J. Appl. Phys. 1991, 70, 881-889.
9. Nakazawa, T.; Takamizawa, K.; Ito, K. High-Efficiency Indium Oxide Cadmium Telluride Solar-Cells. Appl. Phys. Lett. 1987, 50, 279-280.
10. Rose, D. H.; Hasoon, F. S.; Dhere, R. G.; Albin, D. S.; Ribelin, R. M.; Li, X. S.; Mahathongdy, Y.; Gessert, T. A.; Sheldon, P. Fabrication Procedures and Process Sensitivities for CdS/CdTe Solar Cells. Prog. Photovoltaics 1999, 7, 331-340.
11. Dobson, K. D.; Visoly-Fisher, I.; Hodes, G.; Cahen, D. Stability of CdTe/CdS Thin-Film Solar Cells. Sol. Energy Mater. Sol. Cells 2000, 62, 295-325.
12. Moutinho, H. R.; Dhere, R. G.; Jiang, C. S.; Al-Jassim, M. M.; Kazmerski, L. L. Electrical Properties of CdTe/CdS Solar Cells Investigated with Conductive Atomic Force Microscopy. Thin Solid Films 2006, 514, 150-155.
13. Moutinho, H. R.; Dhere, R. G.; Jiang, C. S.; Gessert, T.; Duda, A.; Young, M.; Metzger, W. K.; Al-Jassim, M. M. Role of Cu on the Electrical Properties of CdTe/CdS Solar Cells: A Cross-Sectional Conductive Atomic Force Microscopy Study. J. Vac. Sci. Technol. 2007, 25, 361-367.
14. Kumar, S.G.; Rao, K. S. R. K. Physics and Chemistry of CdTe/CdS Thin Film Heterojunction Photovoltaic Devices: Fundamental and Critical Aspects. Energy Environ. Sci. 2014, 7, 45-102.
15. McCandless, B. E.; Dobson, K. D. Processing Pptions for CdTe Thin Film Solar Cells. Sol. Energy 2004, 77, 839-856.
16. McCandless, B. E.; Birkmire, R. W. Analysis of Post Deposition Processing for CdTe/CdS Thin Film Solar Cells. Sol. Cells 1991, 31, 527-535.
17. Durose, K.; Asher, S. E.; Jaegermann, W.; Levi, D.;McCandless, B. E.; Metzger,W.; Moutinho, H.; Paulson, P. D.; Perkins, C. L.; Sites, J. R.; et al. Physical Characterization of Thin-Film Solar Cells. Prog. Photovoltaics 2004, 12, 177-217.
18. Ballif, C.; Moutinho, H. R.; Al-Jassim, M. M. Cross-Sectional Electrostatic Force Microscopy of Thin-Film Solar Cells. J. Appl. Phys. 2001, 89, 1418-1424.
19. Visoly-Fisher, I.; Cohen, S. R.; Cahen, D. Direct Evidence for Grain-Boundary Depletion in Polycrystalline CdTe from Nanoscale-Resolved Measurements. Appl. Phys. Lett. 2003, 82, 556-558.
20. Jaegermann, W.; Klein, A.; Mayer, T. Interface Engineering of Inorganic Thin-Film Solar Cells: Materials-Science Challenges for Advanced Physical Concepts. Adv. Mater. 2009, 21, 4196-4206.
21. 2 Surfaces. Sol. Energy Mater. Sol. Cells 2014, 120, 500-505.
22. Moutinho, H. R.; Dhere, R. G.; Jiang, C. S.; Yan, Y. F.; Albin, D. S.; Al-Jassim, M. M. Investigation of Potential and Electric Field Profiles in Cross Sections of CdTe/CdS Solar Cells Using Scanning Kelvin Probe Microscopy. J. Appl. Phys. 2010, 108, 074503.
23. Chopra, K. L.; Paulson, P. D.; Dutta, V. Thin-Film Solar Cells: An Overview. Prog. Photovoltaics 2004, 12, 69-92.
24. Hafemeister, M.; Siebentritt, S.; Albert, J.; Lux-Steiner, M. C.; Sadewasser, S. Large Neutral Barrier at Grain Boundaries in Chalcopyrite Thin Films. Phys. Rev. Lett. 2010, 104, 196602.
25. Galloway, S. A.; Edwards, P. R.; Durose, K. Characterisation of Thin Film CdS/CdTe Solar Cells Using Electron and Optical Beam Induced Current. Sol. Energy Mater. Sol. Cells 1999, 57, 61-74.
26. Takihara, M.; Minemoto, T.; Wakisaka, Y.; Takahashi, T. An Investigation of Band Profile Around the Grain Boundary of Cu(InGa)Se2 Solar Cell Material by Scanning Probe Microscopy. Prog. Photovoltaics 2013, 21, 595-599.
27. Visoly-Fisher, I.; Cohen, S. R.; Gartsman, K.; Ruzin, A.; Cahen, D. Understanding the Beneficial Role of Grain Boundaries in Polycrystalline Solar Cells from Single-Grain-Boundary Scanning Probe Microscopy. Adv. Funct. Mater. 2006, 16, 649-660.
28. Visoly-Fisher, I.; Cohen, S. R.; Ruzin, A.; Cahen, D. How Polycrystalline Devices Can Outperform Single-Crystal Ones: Thin Film CdTe/CdS Solar Cells. Adv. Mater. 2004, 16, 879-883.
29. Herndon, M. K.; Gupta, A.; Kaydanov, V.; Collins, R. T. Evidence for Grain-Boundary-Assisted Diffusion of Sulfur in Polycrystalline CdS/CdTe Heterojunctions. Appl. Phys. Lett. 1999, 75, 3503-3505.
30. 2 Solar Cells. Appl. Phys. Lett. 1997, 70, 3555-3557.
31. van Dyk, E. E.; Karoui, A.; La Rosa, A. H.; Rozgonyi, G. Near-Field Scanning Optical Microscopy for Characterisation of Photovoltaic Materials. Phys. Status Solidi C 2004, 1, 2292-2297.
32. McNeill, C. R.; Frohne, H.; Holdsworth, J. L.; Furst, J. E.; King, B. V.; Dastoor, P. C. Direct Photocurrent Mapping of Organic Solar Cells Using a Near-Field Scanning Optical Microscope. Nano Lett. 2004, 4, 219-223.
33. Mukhopadhyay, S.; Voggu, R.; Rao, C. N. R.; Vidhyadhiraja, N. S.; Narayan, K. S. Lateral Photocurrent Scanning of Donor and Acceptor Polymers on Graphene Coated Substrates. Jpn. J. Appl. Phys. 2011, 50, 061602.
34. 2 Thin-Film Solar Cells at the Nanometer-Scale. Appl. Phys. Lett. 2012, 101, 181603.
35. Yoon, H. P.; Haney, P. M.; Ruzmetov, D.; Xu, H.; Leite, M. S.; Hamadani, B. H.; Talin, A. A.; Zhitenev, N. B. Local Electrical Characterization of Cadmium Telluride Solar Cells Using Low-Energy Electron Beam. Sol. Energy Mater. Sol. Cells 2013, 117, 499-504.
36. Leite, M. S.; Abashin, M.; Lezec, H. J.; Gianfrancesco, A. G.; Talin, A. A.; Zhitenev, N. B. Mapping the Local Photoelectronic Properties of Polycrystalline Solar Cells through High Resolution Laser-Beam-Induced Current Microscopy. IEEE J. Photovoltaics 2014, 4, 311-316.
37. Smith, S.; Zhang, P.; Gessert, T.; Mascarenhas, A. Near-Field Optical Beam-Induced Currents in CdTe/CdS Solar Cells: Direct Measurement of Enhanced Photoresponse at Grain Boundaries. Appl. Phys. Lett. 2004, 85, 3854-3856.