Prospects and performance limitations for Cu-Zn-Sn-S-Se photovoltaic Technology

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences

Volumn 371, Issue 1996, 2013, Pages

  Mitzi, David B ^a   Gunawan, Oki ^a   Todorov, Teodor K ^a   Barkhouse, Aaron R D ^a  

^a IBM T J WATSON RESEARCH CENTER   (United States)

Author keywords

Earth abundant; Kesterite; Photovoltaics; Thin film solar cell

Indexed keywords

CADMIUM SULFIDE; CADMIUM TELLURIDE; INDIUM SULFIDE; OPEN CIRCUIT VOLTAGE; SOLAR CELLS; TECHNOLOGY; TIN; ZINC; ZINC SULFIDE;

EARTH-ABUNDANT; HIGH SERIES RESISTANCES; KESTERITES; PERFORMANCE BOTTLENECKS; PERFORMANCE LIMITATIONS; PHOTOVOLTAIC TECHNOLOGY; PHOTOVOLTAICS; THIN-FILM SOLAR CELLS;

INDIUM;

EID: 84880060157     PISSN: 1364503X     EISSN: None     Source Type: Journal    
DOI: 10.1098/rsta.2011.0432     Document Type: Review

References (135)

1. Wolden CA, Kurtin J, Baxter JB, Repins I, Shaheen SE, Torvik JT, Rockett AA, Fthenakis VM, Aydil ES. 2011 Photovoltaic manufacturing: present status, future prospects, and research needs. J. Vac. Sci. Technol. A 29, 030801. (doi:10.1116/1.3569757).
2. Wiedeman S, Albright S, Britt JS, Schoop U, Schuler S, Stoss W, Verebelyi D. 2010 Manufacturing ramp-up of flexible CIGS PV. In Proc. 35th IEEE Photovoltaics Specialists Conf., Honolulu, HI, 20-25 June 2010, pp. 3485-3490. Piscataway, NJ: IEEE.
3. Chirilǎ A et al. 2011 Highly efficient Cu(In, Ga)Se2 solar cells grown on flexible polymer films. Nat. Mater. 10, 857-861. (doi:10.1038/nmat3122) .
4. Chiba Y et al. 2010 Achievement of 16% milestone with 30 × 30 cm-sized CIS-based thin-film submodules. In Proc. 35th IEEE Photovoltaics Specialists Conf., Honolulu, HI, 20-25 June 2010, pp. 164-168. Piscataway, NJ: IEEE.
5. Hering G. 2011 Expanding frontier. Photon Int. 4, 158.
6. Energy Information Administration. 2011 Annual energy outlook 2011 (April 2011). DOE/EIA-0383.Washington, DC: US Energy Information Administration.
7. Peter LM. 2011 Towards sustainable photovoltaics: the search for new materials. Phil. Trans. R. Soc. A 369, 1840-1856. (doi:10.1098/rsta.2010.0348).
8. Green MA. 2010 Price and supply constraints on Te and in photovoltaics. In Proc. 35th IEEE Photovoltaics Specialists Conf., Honolulu, HI, 20-25 June 2010, pp. 550-555. Piscataway, NJ: IEEE.
9. Tolcin AC. 2011 USGS indium commodity summary. See http://minerals.usgs. gov/minerals/pubs/commodity/indium/mcs-2011-indiu.pdf.
10. Taylor SR, McLennan SM. 1985 The continental crust: its composition and evolution: an examination of the geochemical record preserved in sedimentary rocks. Palo Alto, CA: Blackwell Scientific Publishing.
11. Phipps G, Mikolajczak C, Guckes T. 2008 Indium and gallium: long-term supply. Renew. Energy Focus 9, 58-59. (doi:10.1016/S1471-0846(08)70140-9).
12. Andersson BA. 2000 Materials availability for large-scale thin-film photovoltaics. Prog. Photovolt. Res. Appl. 8, 61-76. (doi:10.1002/(SICI)1099- 159X(200001/02)8:1<61::AIDPIP301> 3.0.CO;2-6). (Pubitemid 30583829)
13. Fthenakis V. 2009 Sustainability of photovoltaics: the case for thin-film solar cells. Renew. Sustain. Energy Rev. 13, 2746-2750. (doi:10.1016/j.rser. 2009.05.001).
14. Fthenakis VM, Fuhrmann M, Heiser J, Lanzirotti A, Fitts J, Wang W. 2005 Emissions and encapsulation of cadmium in CdTe PV modules during fires. Prog. Photovolt. Res. Appl. 13, 713-723. (doi:10.1002/pip.624). (Pubitemid 41788624)
15. Steinberger H. 1998 Health, safety and environmental risks from the operation of CdTe and CIS thin-film modules. Prog. Photovolt. Res. Appl. 6, 99-103. (doi:10.1002/(SICI)1099- 159X(199803/04)6:2<99::AID-PIP211>3.0. CO;2-Q). (Pubitemid 128649986)
16. Raugei M, Fthenakis V. 2010 Cadmium flows and emissions from CdTe PV: future expectations. Energy Policy 38, 5223-5228. (doi:10.1016/j.enpol.2010.05. 007).
17. Emmerson BT. 1970 'Ouch-ouch' disease: the osteomalacia of cadmium nephropathy. Ann. Int. Med. 73, 854-855. (doi:10.7326/0003-4819-73-5-854).
18. Kasuya M. 2000 Recent epidemiological studies on itai-itai disease as a chronic cadmium poisoning in Japan. Water Sci. Technol. 42, 147-154.
19. Ramakrishna Reddy KT, Koteswara Reddy N, Miles RW. 2006 Photovoltaic properties of SnS based solar cells. Sol. Energy Mater. Sol. Cells 90, 3041-3046. (doi:10.1016/j.solmat.2006.06.012). (Pubitemid 44332083)
20. xS. Sol. Energy Mater. Sol. Cells 91, 774-778. (doi:10.1016/j.solmat.2006.10.026). (Pubitemid 46560382)
21. Smestad GP, Ennaoui A, Fiechter S, Hofmann W, Tributsch H, Kautek W. 1990 Thin film preparation of semiconducting iron pyrite. Proc. SPIE 1272, 67. (doi:10.1117/12.20433).
22. xS solar cells of 10% efficiency. Appl. Phys. Lett. 38, 925-926. (doi:10.1063/1.92184).
23. xS thin film solar cells: a review. Sol. Cells 5, 243-268. (doi:10.1016/0379-6787(82)90042-4) . (Pubitemid 12534654)
24. Katagiri H, Jimbo K, Maw WS, Oishi K, Yamazaki M, Araki H, Takeuchi A. 2009 Development of CZTS-based thin film solar cells. Thin Solid Films 517, 2455-2460. (doi:10.1016/j.tsf.2008.11.002).
25. Todorov TK, Reuter KB, Mitzi DB. 2010 High-efficiency solar cell with earth-abundant liquidprocessed absorber. Adv. Mater. 22, E156-E159. (doi:10.1002/adma.200904155).
26. 4 solar cell. Prog. Photovolt. Res. Appl. 20, 6-11. (doi:10.1002/pip.1160).
27. 2 thin film solar cells beyond 20%. Prog. Photovolt. Res. Appl. 19, 894-897. (doi:10.1002/pip.1078).
28. First Solar. 2013 First Solar sets new world record for CdTe solar cell efficiency. Press release, 26 February 2013. See http://investor.firstsolar.com/ releasedetail.cfm?ReleaseID=743398.
29. Schorr S. 2007 Structural aspects of adamantine like multinary chalcogenides. Thin Solid Films 515, 5985-5991. (doi:10.1016/j.tsf.2006.12.100). (Pubitemid 46635676)
30. Ito K, Nakazawa T. 1988 Electrical and optical properties of stannite-type quaternary semiconductor thin films. Jpn. J. Appl. Phys. 27, 2094-2097. (doi:10.1143/JJAP.27.2094).
31. 4 thin films prepared by sulfurization of ion beam sputtered precursor and their electrical and optical properties. Rare Metals 25, 315-319. (doi:10.1016/S1001- 0521(07)60096-5). (Pubitemid 46199976)
32. 4 thin film solar cells produced by selenisation of magnetron sputtered precursors. Prog. Photovolt. Res. Appl. 17, 315-319. (doi:10.1002/pip.886).
33. 4thin films prepared by rf magnetron sputtering process. Sol. Energy Mater. Sol. Cells 75, 155-162. (doi:10.1016/S0927-0248(02)00127-7). (Pubitemid 35281688)
34. 4thin films using sulfurization of stacked metallic films. Thin Solid Films 518, 6567-6572. (doi:10.1016/j.tsf.2010.03.058).
35. 4 film growth. Sol. Energy Mater. Sol. Cells 95, 239-244. (doi:10.1016/j.solmat. 2010.04.060).
36. 4-type thin film solar cells using abundant materials. Thin Solid Films 515, 5997-5999. (doi:10.1016/j.tsf. 2006.12.103). (Pubitemid 46635681)
37. Katagiri H, Jimbo K, Tahara M, Araki H, Oishi K. 2009 The influence of the composition ratio on CZTS-based thin film solar cells. Mater. Res. Soc. Symp. Proc. 1165, M01-M04. (doi:10.1557/PROC-1165-M04-01).
38. 4-based thin film solar cells by using preferential etching technique. Appl. Phys. Express. 1, 41201. (doi:10.1143/APEX.1.041201).
39. 4 thin films grown by selenization of elemental precursor layers. Thin Solid Films 517, 2531-2534. (doi:10.1016/j.tsf.2008.11.034).
40. 4films from stacked metallic layers. Phys. Status Solidi C 7, 913-916. (doi:10.1002/pssc.200982748).
41. 4 thin films by RFmagnetron sputtering from binary chalcogenide targets. J. Phys. Chem. Solids 68, 1908-1913. (doi:10.1016/j.jpcs.2007.05.022). (Pubitemid 47488420)
42. 4 thin films by sulfurization of E-B evaporated precursors. Sol. Energy Mater. Sol. Cells 49, 407-414. (doi:10.1016/S0927-0248(97)00119-0). (Pubitemid 127396843)
43. 4 thin films. Sol. Energy Mater. Sol. Cells 65, 141-148. (doi:10.1016/S0927-0248(00)00088-X).
44. Katagiri H, Jimbo K, Moriya K, Tsuchida K. 2003 Solar cell without environmental pollution by using CZTS thin film. In Proc. World. Conf. on Photovoltaic Energy Conversion III, Osaka, Japan, 11-18 May 2003, pp. 2874-2879. Osaka, Japan: WCPEC-3 Organizing Committee.
45. 4-based thin film solar cells using abundant materials. Jpn. J. Appl. Phys. 44, 783-787. (doi:10.1143/JJAP.44. 783). (Pubitemid 40499041)
46. 4 thin film solar cells. Thin Solid Films 480-481, 426-432. (doi:10.1016/j.tsf.2004.11.024). (Pubitemid 40643016)
47. 4 thin films by sulfurization of stacked metallic layers. Thin Solid Films 517, 1457-1460. (doi:10.1016/j.tsf.2008.09.058).
48. 4 thin film solar cells by fast coevaporation. Prog. Photovolt. Res. Appl. 19, 93-96. (doi:10.1002/pip.976).
49. 4 thin films fabricated by co-evaporation. Thin Solid Films 518, S29-S33. (doi:10.1016/j.tsf.2010.03.026).
50. 4 thin films by coevaporation. Phys. Status Solidi C 3, 2844-2847. (doi:10.1002/pssc.200669631). (Pubitemid 44617427)
51. 4 solar cells. Appl. Phys. Lett. 97, 143508. (doi:10.1063/1.3499284).
52. 4 thin film solar cells by thermal co-evaporation. In Proc. 37th IEEE Photovoltaic Specialist Conf., Seattle, WA, 19-24 June 2011, pp. 002510-002514. Piscataway, NJ: IEEE.
53. 4. Appl. Surf. Sci. 92, 171-175. (doi:10.1016/0169-4332(95)00225-1). (Pubitemid 126347303)
54. Madarász J, Bombicz P, Okuya M, Kaneko S. 2001 Thermal decomposition of thiourea complexes of Cu (I), Zn (II), and Sn (II) chlorides as precursors for the spray pyrolysis deposition of sulfide thin films. Solid State Ionics 141-142, 439-446. (doi:10.1016/S0167- 2738(01)00740-8). (Pubitemid 32605373)
55. 4 thin films deposited by spray pyrolysis technique. Thin Solid Films 515, 5949-5952. (doi:10.1016/j.tsf.2006.12.144). (Pubitemid 46635617)
56. 4 thin films by spray pyrolysis. Phys. Status Solidi A 207, 149-156. (doi:10.1002/pssa.200925194).
57. 4 as an alternative absorber material. Phys. Status Solidi B 245, 1772-1778. (doi:10.1002/pssb.200879539).
58. 4 thin films by sulfurizing electroplated precursors. Sol. Energy Mater. Sol. Cells 93, 996-999. (doi:10.1016/j.solmat.2008.11.045).
59. Scragg JJ, Berg DM, Dale PJ. 2010 A 3.2% efficient kesterite device from electrodeposited stacked elemental layers. J. Electroanal. Chem. 646, 52-59. (doi:10.1016/j.jelechem.2010.01. 008).
60. 4 solar cell. Adv. Energy Mater. 2, 253-259. (doi:10.1002/aenm.201100526).
61. 4 absorber layers by an electrodeposition- annealing route. Thin Solid Films 517, 2481-2484. (doi:10.1016/j.tsf.2008.11. 022).
62. 4 thin films by selenization of electrodeposited stacked binary alloy layers. Energy Procedia 2, 65-70. (doi:10.1016/j.egypro.2010.07.012).
63. 4 thin films by sulfurization of co-electroplated Cu-Zn-Sn precursors. Phys. Status Solidi C 6, 1266-1268. (doi:10.1002/pssc.200881182).
64. 4 thin film solar cell absorbers from co-electroplated Cu-Zn-Sn precursors. Thin Solid Films 517, 2465-2468. (doi:10.1016/j.tsf.2008.11.019).
65. 4 thin film solar cells from electroplated precursors: novel low-cost perspective. Thin Solid Films 517, 2511-2514. (doi:10.1016/j.tsf.2008.11.061).
66. 4 films by electrodeposition using ionic liquids. Sol. Energy Mater. Sol. Cells 94, 207-211. (doi:10.1016/j.solmat.2009. 09.003).
67. 4 (CZTS) thin films for solar cell application. Electrochim. Acta 55, 4057-4061. (doi:10.1016/j.electacta.2010.02.051).
68. 4 thin films prepared by photo-chemical deposition. Jpn. J. Appl. Phys. Part 1 44, 715-717. (doi:10.1143/JJAP.44.715). (Pubitemid 40499029)
69. 4 thin films prepared by photo-chemical deposition. Phys. Status Solidi C 3, 2848-2852. (doi:10.1002/pssc.200669588). (Pubitemid 44617428)
70. Mellikov E, Meissner D, Varema T, Altosaar M, Kauk M, Volobujeva O, Raudoja J, Timmo K, Danilson M. 2009 Monograin materials for solar cells. Sol. Energy Mater. Sol. Cells 93, 65-68. (doi:10.1016/j.solmat.2008.04.018).
71. 4 monograin powders for solar cells. Sol. Energy Mater. Sol. Cells 94, 1889-1892. (doi:10.1016/j.solmat.2010.06.046).
72. 4 thin films by sulfurizing sol-gel deposited precursors. Sol. Energy Mater. Sol. Cells 91, 1199-1201. (doi:10.1016/j.solmat. 2007.04.012). (Pubitemid 46856131)
73. 4 thin film solar cells prepared by non-vacuum processing. Sol. Energy Mater. Sol. Cells 93, 583-587. (doi:10.1016/j. solmat.2008.12.009).
74. 4 thin film solar cells under non-vacuum condition. Phys. Status Solidi C 6, 1233-1236. (doi:10.1002/pssc.200881158).
75. 4 thin films and solar cells prepared by sol-gel sulfurization. Sol. Energy Mater. Sol. Cells 95, 2855-2860. (doi:10.1016/j.solmat.2011.05.050).
76. Ki W, Hillhouse HW. 2011 Earth abundant element photovoltaics directly from soluble precursors with high yield using a non toxic solvent. Adv. Energy Mater. 1, 732-735. (doi:10.1002/aenm.201100140).
77. 4 films deposited by a soft-chemistry method. Thin Solid Films 517, 2541-2544. (doi:10.1016/j.tsf.2008.11.035).
78. 4 nanocrystals for use in low-cost photovoltaics. J. Am. Chem. Soc. 131, 12 554- 12 555. (doi:10.1021/ja905922j).
79. 4 nanocrystal ink and its use for solar cells. J. Am. Chem. Soc. 131, 11 672-11 673. (doi:10.1021/ja904981r).
80. 1-xS nanoparticles for solar cells. Chem. Commun. 46, 5749-5751. (doi:10.1039/c0cc00899k).
81. 1+x+2y. J. Am. Chem. Soc. 132, 4514-4515. (doi:10.1021/ja909498c).
82. 4 nanocrystals. Mater. Lett. 64, 1424-1426. (doi:10.1016/j.matlet. 2010.03.034).
83. 4 synthesized through a green and economic process. J. Alloys Compd. 509, 9627-9630. (doi:10.1016/j.jallcom.2011.07.041).
84. Mitzi DB, Gunawan O, Todorov TK, Wang K, Guha S. 2011 The path towards a highperformance solution-processed kesterite solar cell. Sol. Energy Mater. Sol. Cells 95, 1421-1436. (doi:10.1016/j.solmat.2010.11.028).
85. Chawla V, Clemens B. 2012 Effect of composition on high efficiency CZTSSe devices fabricated using co-sputtering of compound targets. In Proc. 38th IEEE Photovoltaic Specialist Conf., Austin, TX, 3-8 June 2012, pp. 002990-002992. Piscataway, NJ: IEEE.
86. 4thin films. In Proc. 14th Eur. Photovolt. Sol. Energy Conf., Barcelona, Spain, 30 June-4 July 1997, pp. 1242-1245. Munich, Germany: WIP Wirtschaft und Infrastruktur GmbH & Co Planungs-KG.
87. Repins I et al. 2011 Kesterites and chalcopyrites: a comparison of close cousins. In Materials Res. Soc. Spring Meeting, San Francisco, CA, 25-29 April 2011. See http://www.nrel.gov/docs/fy11osti/51286.pdf.
88. 4 films and devices. Sol. Energy Mater. Sol. Cells 101, 154-159. (doi:10.1016/j.solmat. 2012.01.008).
89. 4films during annealing. Chem. Mater. 23, 4625-4633. (doi:10.1021/cm202379s).
90. Redinger A, Berg DM, Dale PJ, Siebentritt S. 2011 The consequences of kesterite equilibria for efficient solar cells. J. Am. Chem. Soc. 133, 3320-3323. (doi:10.1021/ja111713g).
91. 4absorber. Prog. Photovolt. Res. Appl. 21, 72-76. (doi:10.1002/pip.1174).
92. Todorov T, Mitzi DB. 2010 Direct liquid coating of chalcopyrite light absorbing layers for photovoltaic devices. Eur. J. Inorg. Chem. 2010, 17-28. (doi:10.1002/ejic.200900837).
93. Guo Q, Ford GM, Yang WC, Walker BC, Stach EA, Hillhouse HW, Agrawal R. 2010 Fabrication of 7.2% efficient CZTSSe solar cells using CZTS nanocrystals. J. Am. Chem. Soc. 132, 17 384-17 386. (doi:10.1021/ja108427b).
94. Guo Q, Ford GM, Hillhouse HW, Agrawal R. 2011 A generalized and robust method for efficient thin film photovoltaic devices from multinary sulfide nanocrystal inks. In Proc. 37th IEEE Photovoltaics Specialists Conf., Seattle, WA, 19-24 June 2011, pp. 003522-003526. Piscataway, NJ: IEEE.
95. 4 nanocrystals for tunable band gap solar cells: 6.8% efficient device fabrication. Chem. Mater. 23, 2626-2629. (doi:10.1021/cm2002836).
96. Guo Q et al. 2012 A simple solution-based route to high-efficiency CZTSSe thin-film solar cells. In Proc. 38th IEEE Photovoltaic Specialist Conf., Austin, TX, 3-8 June 2012, pp. 002993- 002996. Piscataway, NJ: IEEE.
97. 4 screen printed layers for solar cells. Sol. Energy Mater. Sol. Cells 94, 2042-2045. (doi:10.1016/j.solmat.2010. 06.010).
98. Mitzi DB, Yuan M, Liu W, Kellock AJ, Chey SJ, Deline V, Schrott AG. 2008 A highefficiency solution-deposited thin-film photovoltaic device. Adv. Mater. 20, 3657-3662. (doi:10.1002/adma.200800555).
99. Mitzi DB, Kosbar LL, Murray CE, Copel M, Afzali A. 2004 High-mobility ultrathin semiconducting films prepared by spin coating. Nature 428, 299-303. (doi:10.1038/nature 02389). (Pubitemid 38418796)
100. Todorov TK, Gunawan O, Gokmen T, Mitzi DB. 2011 Solution-processed Cu(In, Ga)(S, Se)2 absorber yielding 15.2% efficient solar cell. Prog. Photovolt. Res. Appl. 21, 82-87. (doi:10.1002/pip.1253).
101. 4 absorber materials from liquid-phase hydrazine-based precursor inks. Energy Environ. Sci. 5, 8564-8571. (doi:10.1039/C2EE21529B).
102. 4 solar cells. Adv. Energy Mater. 3, 34-38. (doi:10.1002/aenm. 201200348).
103. Todorov T, Gunawan O, Chey SJ, Goislard de Monsabert T, Prabhakar A, Mitzi DB. 2011 Progress towards marketable earth-abundant chalcogenide solar cells. Thin Solid Films 519, 7378-7381. (doi:10.1016/j.tsf.2010.12.225).
104. Assmann L, Bernède JC, Drici A, Amory C, Halgand E, Morsli M. 2005 Study of the Mo thin films and Mo/CIGS interface properties. Appl. Surf. Sci. 246, 159-166. (doi:10.1016/j.apsusc. 2004.11.020). (Pubitemid 40574323)
105. Wada T, Kohara N, Nishiwaki S, Negami T. 2001 Characterization of the Cu (In, Ga)Se2/Mo interface in CIGS solar cells. Thin Solid Films 387, 118-122. (doi:10.1016/S0040- 6090(00)01846-0). (Pubitemid 32272936)
106. 2/Mo structure. Sol. Energy Mater. Sol. Cells 67, 209-215. (doi:10.1016/S0927-0248(00)00283-X). (Pubitemid 32092026)
107. 2 based solar cells. Thin Solid Films 480-481, 433-438. (doi:10.1016/j.tsf.2004.11.098). (Pubitemid 40643017)
108. 2 solar cell with 81.2% fill factor. Prog. Photovolt. Res. Appl. 16, 235-239. (doi:10.1002/pip. 822). (Pubitemid 351547754)
109. 4. Electrochem. Commun. 10, 639-642. (doi:10.1016/j.elecom.2008.02.008).
110. 4 photovoltaic material. Phys. Rev. B 81, 113202. (doi:10.1103/PhysRevB.81. 113202).
111. Weber A, Mainz R, Schock HW. 2010 On the Sn loss from thin films of the material system Cu-Zn-Sn-S in high vacuum. J. Appl. Phys. 107, 013516. (doi:10.1063/1.3273495).
112. 4 solar cells. Appl. Phys. Lett. 98, 051912. (doi:10.1063/1.3543621).
113. Pysch D, Mette A, Glunz SW. 2007 A review and comparison of different methods to determine the series resistance of solar cells. Sol. Energy Mater. Sol. Cells 91, 1698-1706. (doi:10.1016/j.solmat.2007.05.026). (Pubitemid 47321115)
114. Bag S, Gunawan O, Gokmen T, Zhu Y, Todorov TK, Mitzi DB. 2012 Low band gap liquid-processed CZTSSe solar cell with 10.1% efficiency. Energy Environ. Sci. 5, 7060-7065. (doi:10.1039/c2ee00056c).
115. Hegedus SS, Shafarman WN. 2004 Thin-film solar cells: device measurements and analysis. Prog. Photovolt. Res. Appl. 12, 155-176. (doi:10.1002/pip.518). (Pubitemid 38460413)
116. 2 solar cells. J. Appl. Phys. 97, 64901. (doi:10.1063/1.1850604). (Pubitemid 40818200)
117. Liu XX, Sites JR. 1994 Solar cell collection efficiency and its variation with voltage. J. Appl. Phys. 75, 577-581. (doi:10.1063/1.355842).
118. 2 solar cells with increasing band gap. J. Appl. Phys. 79, 7324-7328. (doi:10.1063/1.361431). (Pubitemid 126628962)
119. Nadenau V, Rau U, Jasenek A, Schock HW. 2000 Electronic properties of CuGaSebased heterojunction solar cells. I. Transport analysis. J. Appl. Phys. 87, 594. (doi:10.1063/1.371903).
120. Heath JT, Cohen JD, Shafarman WN, Liao DX, Rockett AA. 2002 Effect of Ga content on defect states in CuInGaSe photovoltaic devices. Appl. Phys. Lett. 80, 4540. (doi:10.1063/1.1485301). (Pubitemid 34751399)
121. 4 (CZTSSe) alloys as revealed by transient photocapacitance spectroscopy. Appl. Phys. Lett. 101, 142106. (doi:10.1063/1.4754834).
122. Minemoto T, Matsui T, Takakura H, Hamakawa Y, Negami T, Hashimoto Y, Uenoyama T, Kitagawa M. 2001 Theoretical analysis of the effect of conduction band offset of window/CIS layers on performance of CIS solar cells using device simulation. Sol. Energy Mater. Sol. Cells 67, 83-88. (doi:10.1016/S0927-0248(00) 00266-X). (Pubitemid 32092009)
123. 4/CdS interface. Appl. Phys. Lett. 98, 253502. (doi:10.1063/1.3600776).
124. 4 thin-film solar cell heterojunction. Appl. Phys. Lett. 99, 222105. (doi:10.1063/1.3663327).
125. 4 solar cells. Appl. Phys. Lett. 97, 233506. (doi:10.1063/1.3522884).
126. Ohnesorge B, Weigand R, Bacher G, Forchel A, Riedl W, Karg FH. 1998 Minoritycarrier lifetime and efficiency of Cu(In, Ga)Se solar cells. Appl. Phys. Lett. 73, 1224. (doi:10.1063/1.122134). (Pubitemid 128671807)
127. 2 solar cells. Appl. Phys. Lett. 93, 022110. (doi:10.1063/1.2957983).
128. 4 absorber layer in solar cells as revealed by admittance spectroscopy and related methods. Appl. Phys. Lett. 100, 253905. (doi:10.1063/1.4729751).
129. 2 solar cells. Prog. Photovolt. Res. Appl. 13, 209-216. (doi:10.1002/pip.626).
130. Green MA, Emery K, Hishikawa Y, Warta W, Dunlop ED. 2011 Solar cell efficiency tables (v. 38). Prog. Photovolt. Res. Appl. 19, 565-572. (doi:10.1002/pip.1150).
131. 2 system. J. Alloys Compd. 368, 135-143. (doi:10.1016/j.jallcom.2003.08.084).
132. 4 solar cells andmodules. In Proc. 26th Euro. Photovolt. Sol. Energy Conf., Hamburg, Germany, 5-9 September 2011, pp. 2448-2451. Munich, Germany: WIP Wirtschaft und Infrastruktur GmbH & Co Planungs-KG.
133. 4 submodules with ultra-thin absorber. In Proc. 38th IEEE Photovoltaic Specialist Conf., Austin, TX, 3-8 June 2012, pp. 002997-003000. Piscataway, NJ: IEEE.
134. 4 submodule with Cd-free buffer layer. In Proc. 38th IEEE Photovoltaic Specialist Conf., Austin, TX, 3-8 June 2012, pp. 001811-001814. Piscataway, NJ: IEEE.
135. 4: band alignments with ZnO, ZnS and In2S3. Appl. Phys. Lett. 100, 193904. (doi:10.1063/1.4714737).