Cu2ZnSn(S1−xSex)4 based solar cell produced by selenization of vacuum deposited precursors

Grenet, Louis; Bernardi, S.; Kohen, David; Lepoittevin, Christophe; Noël, S.; Karst, N.; Brioude, Arnaud; Perraud, Simon; Mariette, H.

doi:10.1016/j.solmat.2012.02.016

Cited by 73 publications

(31 citation statements)

References 12 publications

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“…Concerning the back contact, ZnX was observed at the back contact [59,106], as shown in Figure 6, and it seems that increasing the ZnX content strongly impairs efficiency [47]. It was nevertheless speculated that ZnS could be less detrimental than previously thought [72], acting as a simple "dark" material.…”

Section: Device Propertiesmentioning

confidence: 88%

“…Concerning the reaction mechanism, for stacked metals, it is beneficial to have Cu and Sn in close contact for the formation of large CZTS grains [106]. If they are separated by Zn or Zn(S, Se), the reaction between copper chalcogenides and tin chalcogenides, which is necessary to form Cu 2 SnX 3 [82], could be inhibited [107].…”

Section: Composition Gradientmentioning

confidence: 99%

“…Oxidation of the CZTS absorber by dipping in deionized water [13] or O 2 annealing [73] before deposition of CdS seems to improve efficiencies. As for CIGS, reducing the time between absorber synthesis and CdS deposition to the minimum is of the utmost importance [106].…”

Section: Device Propertiesmentioning

confidence: 99%

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Kësterite thin films for photovoltaics : a review

2012

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In the years to come, electricity production is bound to increase, and Cu2ZnSn(S, Se)4 (CZTS) compounds, due to their suitability to thin-film solar cells, could be a means to fulfill the demand. After explaining the reasons of the sudden interest of the CIGS scientific community for CZTS solar cells, this paper reviews recent papers published on the subject of kësterites-based solar cells. After a description of crystallographic and optoelectronic properties, including CZTS crystalline structure, defect formation and metal composition, this review paper focuses on CZTS synthesis processes and device properties. Synthesis strategies, including one-or two-step processes, deposition temperature, binary formation control via atmosphere control and their effect on device properties are discussed.

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Section: Device Propertiesmentioning

confidence: 88%

Section: Composition Gradientmentioning

confidence: 99%

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Kësterite thin films for photovoltaics : a review

2012

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“…CZTSS has a direct band gap of 1.45 1.6 eV and an optical absorption coefficient of around 10 5 cm -1 [1,2]. Recently several groups reported CZTSS thin-films prepared by variety of fabrication methods, namely sputtering [2][3][4][5], physical vapor deposition [6][7][8][9][10][11], solution-particle approach [12][13][14], photochemical deposition [15], sol-gel method [16], screen-printing [17], and electroplating [18][19][20][21][22][23][24][25][26]. The best conversion efficiency of the CZTS solar cell is reported to be 11.1% using ink-based solution-particle approach [27].…”

Section: Introductionmentioning

confidence: 99%

3.6%-CZTSS Device Fabricated From Ionic Liquid Electrodeposited Sn Layer

Bhattacharya¹

2014

TOSURSJ

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Cu/Sn/Zn stacked layers were electrodeposited and subsequently annealed in a tube furnace in elemental sulfur and selenium at 570ºC. Cyclic voltammogram of Sn-salt in ionic liquid was recorded. Thin films were characterized by inductively coupled plasma-mass spectrometry (ICP-MS), Auger electron spectroscopy (AES) and scanning electron microscopy (SEM). The device was characterized by current-voltage (I-V) and quantum efficiency (QE). The device fabricated using electrodeposited precursor film resulted in efficiencies of 3.6%.

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“…CZTS has a direct band gap of 1.45 1.6 eV and an optical absorption coefficient of around 10 5 cm -1 [1,2]. Recently several groups reported a CZTS thinfilms fabrication method using a variety of fabrication methods, namely sputtering [2][3][4][5], physical vapor deposition [6][7][8][9][10][11], a solution-particle approach [12][13][14], photochemical deposition [15], the sol-gel method [16], screen-printing [17], and electroplating [18][19][20][21][22][23][24][25][26]. The best conversion efficiency of the CZTS solar cell is reported to be 10% [12][13][14].…”

Section: Introductionmentioning

confidence: 99%