Abstract

A large lateral photovoltaic effect (LPE) has been observed in a Cu2O/Si heterojunction structure when its surface is illuminated by a laser. Moreover, with external bias voltage, the maximal LPE sensitivity can reach up to 1114 mV/mm, which is almost 10 times larger compared with its initial non-biased value of 113 mV/mm. We ascribe this phenomenon mainly to the effect of the increased photo-generated holes caused by the bias. Giant output voltage and high sensitivity suggest the potential of Cu2O nano-films could be used in a wide variety of applications for position-sensitive photodetectors.

© 2014 Optical Society of America

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  1. R. Neskovska, M. Ristova, J. Velevska, M. Ristov, “Electrochromism of the electroless deposited cuprous oxide films,” Thin Solid Films 515(11), 4717–4721 (2007).
    [CrossRef]
  2. J. T. Zhang, J. F. Liu, Q. Peng, X. Wang, Y. D. Li, “Nearly monodisperse Cu2O and CuO nanospheres: preparation and applications for sensitive gas sensors,” Chem. Mater. 18(4), 867–871 (2006).
    [CrossRef]
  3. D. U. Kim, M. S. Gong, “Thick films of copper-titanate resistive humidity sensor,” Sens. Actuators B Chem. 110(2), 321–326 (2005).
    [CrossRef]
  4. A. Mittiga, E. Salza, F. Sarto, M. Tucci, R. Vasanthi, “Heterojunction solar cell with 2% efficiency based on a Cu2O substrate,” Appl. Phys. Lett. 88(16), 163502 (2006).
    [CrossRef]
  5. K. P. Musselman, A. Marin, L. Schmidt-Mende, J. L. MacManus-Driscoll, “Incompatible length scales in nanostructured Cu2O solar cells,” Adv. Funct. Mater. 22(10), 2202–2208 (2012).
    [CrossRef]
  6. Z. F. Hu, Z. J. Li, L. Zhu, F. J. Liu, Y. W. Lv, X. Q. Zhang, Y. S. Wang, “Narrowband ultraviolet photodetector based on MgZnO and NPB heterojunction,” Opt. Lett. 37(15), 3072–3074 (2012).
    [CrossRef] [PubMed]
  7. A. Dhanabalan, J. K. J. van Duren, P. A. van Hal, J. L. J. van Dongen, R. A. J. Janssen, “Synthesis and characterization of a low bandgap conjugated polymer for bulk heterojunction photovoltaic cells,” Adv. Funct. Mater. 11(4), 255–262 (2001).
    [CrossRef]
  8. J. T. Wallmark, “A new semiconductor photocell using lateral photoeffect,” Proc. IRE45(4), 474–483 (1957).
    [CrossRef]
  9. J. Henry, J. Livingstone, “Thin-film amorphous silicon position-sensitive detectors,” Adv. Mater. 13(12–13), 1022–1026 (2001).
    [CrossRef]
  10. W. S. Park, H. S. Cho, “Measurement of fine 6-degrees-of-freedom displacement of rigid bodies through splitting a laser beam: experimental investigation,” Opt. Eng. 41(4), 860–871 (2002).
    [CrossRef]
  11. J. Henry, J. Livingstone, “Optimizing the response of Schottky barrier position sensitive detectors,” J. Phys. D Appl. Phys. 37(22), 3180–3184 (2004).
    [CrossRef]
  12. K. Zhao, K. J. Jin, H. B. Lu, Y. H. Huang, Q. L. Zhou, M. He, Z. H. Chen, Y. L. Zhou, G. Z. Yang, “Transient lateral photovoltaic effect in p-n heterojunctions of Lasub0.7Sr0.3MnO3 and Si,” Appl. Phys. Lett. 88(14), 141914 (2006).
    [CrossRef]
  13. S. Salvatori, G. Mazzeo, G. Conte, “Voltage division position sensitive detectoron photoconductive materials; part I: principle of operation,” IEEE Sens. J. 8(2), 188–193 (2008).
    [CrossRef]
  14. H. L. Zhu, J. Y. Zhang, C. Z. Li, F. Pan, T. M. Wang, B. B. Huang, “Cu2O thin films deposited by reactive direct current magnetron sputtering,” Thin Solid Films 517(19), 5700–5704 (2009).
    [CrossRef]
  15. L. Du, H. Wang, “Infrared laser induced lateral photovoltaic effect observed in Cu2O nanoscale film,” Opt. Express 18(9), 9113–9118 (2010).
    [CrossRef] [PubMed]
  16. C. Q. Yu, H. Wang, S. Q. Xiao, Y. X. Xia, “Direct observation of lateral photovoltaic effect in nano-metal-films,” Opt. Express 17(24), 21712–21722 (2009).
    [CrossRef] [PubMed]
  17. C. Q. Yu, H. Wang, “Large lateral photovoltaic effect in metal-(oxide-) semiconductor structures,” Sensors (Basel) 10(11), 10155–10180 (2010).
    [CrossRef] [PubMed]
  18. K. A. M. Scott, A. K. Sharma, C. M. Wilson, B. W. Mullins, S. F. Soares, S. R. J. Brueck, “High resolution Si position sensor,” Appl. Phys. Lett. 62(24), 3141–3143 (1993).
    [CrossRef]

2012 (2)

K. P. Musselman, A. Marin, L. Schmidt-Mende, J. L. MacManus-Driscoll, “Incompatible length scales in nanostructured Cu2O solar cells,” Adv. Funct. Mater. 22(10), 2202–2208 (2012).
[CrossRef]

Z. F. Hu, Z. J. Li, L. Zhu, F. J. Liu, Y. W. Lv, X. Q. Zhang, Y. S. Wang, “Narrowband ultraviolet photodetector based on MgZnO and NPB heterojunction,” Opt. Lett. 37(15), 3072–3074 (2012).
[CrossRef] [PubMed]

2010 (2)

L. Du, H. Wang, “Infrared laser induced lateral photovoltaic effect observed in Cu2O nanoscale film,” Opt. Express 18(9), 9113–9118 (2010).
[CrossRef] [PubMed]

C. Q. Yu, H. Wang, “Large lateral photovoltaic effect in metal-(oxide-) semiconductor structures,” Sensors (Basel) 10(11), 10155–10180 (2010).
[CrossRef] [PubMed]

2009 (2)

C. Q. Yu, H. Wang, S. Q. Xiao, Y. X. Xia, “Direct observation of lateral photovoltaic effect in nano-metal-films,” Opt. Express 17(24), 21712–21722 (2009).
[CrossRef] [PubMed]

H. L. Zhu, J. Y. Zhang, C. Z. Li, F. Pan, T. M. Wang, B. B. Huang, “Cu2O thin films deposited by reactive direct current magnetron sputtering,” Thin Solid Films 517(19), 5700–5704 (2009).
[CrossRef]

2008 (1)

S. Salvatori, G. Mazzeo, G. Conte, “Voltage division position sensitive detectoron photoconductive materials; part I: principle of operation,” IEEE Sens. J. 8(2), 188–193 (2008).
[CrossRef]

2007 (1)

R. Neskovska, M. Ristova, J. Velevska, M. Ristov, “Electrochromism of the electroless deposited cuprous oxide films,” Thin Solid Films 515(11), 4717–4721 (2007).
[CrossRef]

2006 (3)

J. T. Zhang, J. F. Liu, Q. Peng, X. Wang, Y. D. Li, “Nearly monodisperse Cu2O and CuO nanospheres: preparation and applications for sensitive gas sensors,” Chem. Mater. 18(4), 867–871 (2006).
[CrossRef]

A. Mittiga, E. Salza, F. Sarto, M. Tucci, R. Vasanthi, “Heterojunction solar cell with 2% efficiency based on a Cu2O substrate,” Appl. Phys. Lett. 88(16), 163502 (2006).
[CrossRef]

K. Zhao, K. J. Jin, H. B. Lu, Y. H. Huang, Q. L. Zhou, M. He, Z. H. Chen, Y. L. Zhou, G. Z. Yang, “Transient lateral photovoltaic effect in p-n heterojunctions of Lasub0.7Sr0.3MnO3 and Si,” Appl. Phys. Lett. 88(14), 141914 (2006).
[CrossRef]

2005 (1)

D. U. Kim, M. S. Gong, “Thick films of copper-titanate resistive humidity sensor,” Sens. Actuators B Chem. 110(2), 321–326 (2005).
[CrossRef]

2004 (1)

J. Henry, J. Livingstone, “Optimizing the response of Schottky barrier position sensitive detectors,” J. Phys. D Appl. Phys. 37(22), 3180–3184 (2004).
[CrossRef]

2002 (1)

W. S. Park, H. S. Cho, “Measurement of fine 6-degrees-of-freedom displacement of rigid bodies through splitting a laser beam: experimental investigation,” Opt. Eng. 41(4), 860–871 (2002).
[CrossRef]

2001 (2)

A. Dhanabalan, J. K. J. van Duren, P. A. van Hal, J. L. J. van Dongen, R. A. J. Janssen, “Synthesis and characterization of a low bandgap conjugated polymer for bulk heterojunction photovoltaic cells,” Adv. Funct. Mater. 11(4), 255–262 (2001).
[CrossRef]

J. Henry, J. Livingstone, “Thin-film amorphous silicon position-sensitive detectors,” Adv. Mater. 13(12–13), 1022–1026 (2001).
[CrossRef]

1993 (1)

K. A. M. Scott, A. K. Sharma, C. M. Wilson, B. W. Mullins, S. F. Soares, S. R. J. Brueck, “High resolution Si position sensor,” Appl. Phys. Lett. 62(24), 3141–3143 (1993).
[CrossRef]

Brueck, S. R. J.

K. A. M. Scott, A. K. Sharma, C. M. Wilson, B. W. Mullins, S. F. Soares, S. R. J. Brueck, “High resolution Si position sensor,” Appl. Phys. Lett. 62(24), 3141–3143 (1993).
[CrossRef]

Chen, Z. H.

K. Zhao, K. J. Jin, H. B. Lu, Y. H. Huang, Q. L. Zhou, M. He, Z. H. Chen, Y. L. Zhou, G. Z. Yang, “Transient lateral photovoltaic effect in p-n heterojunctions of Lasub0.7Sr0.3MnO3 and Si,” Appl. Phys. Lett. 88(14), 141914 (2006).
[CrossRef]

Cho, H. S.

W. S. Park, H. S. Cho, “Measurement of fine 6-degrees-of-freedom displacement of rigid bodies through splitting a laser beam: experimental investigation,” Opt. Eng. 41(4), 860–871 (2002).
[CrossRef]

Conte, G.

S. Salvatori, G. Mazzeo, G. Conte, “Voltage division position sensitive detectoron photoconductive materials; part I: principle of operation,” IEEE Sens. J. 8(2), 188–193 (2008).
[CrossRef]

Dhanabalan, A.

A. Dhanabalan, J. K. J. van Duren, P. A. van Hal, J. L. J. van Dongen, R. A. J. Janssen, “Synthesis and characterization of a low bandgap conjugated polymer for bulk heterojunction photovoltaic cells,” Adv. Funct. Mater. 11(4), 255–262 (2001).
[CrossRef]

Du, L.

Gong, M. S.

D. U. Kim, M. S. Gong, “Thick films of copper-titanate resistive humidity sensor,” Sens. Actuators B Chem. 110(2), 321–326 (2005).
[CrossRef]

He, M.

K. Zhao, K. J. Jin, H. B. Lu, Y. H. Huang, Q. L. Zhou, M. He, Z. H. Chen, Y. L. Zhou, G. Z. Yang, “Transient lateral photovoltaic effect in p-n heterojunctions of Lasub0.7Sr0.3MnO3 and Si,” Appl. Phys. Lett. 88(14), 141914 (2006).
[CrossRef]

Henry, J.

J. Henry, J. Livingstone, “Optimizing the response of Schottky barrier position sensitive detectors,” J. Phys. D Appl. Phys. 37(22), 3180–3184 (2004).
[CrossRef]

J. Henry, J. Livingstone, “Thin-film amorphous silicon position-sensitive detectors,” Adv. Mater. 13(12–13), 1022–1026 (2001).
[CrossRef]

Hu, Z. F.

Huang, B. B.

H. L. Zhu, J. Y. Zhang, C. Z. Li, F. Pan, T. M. Wang, B. B. Huang, “Cu2O thin films deposited by reactive direct current magnetron sputtering,” Thin Solid Films 517(19), 5700–5704 (2009).
[CrossRef]

Huang, Y. H.

K. Zhao, K. J. Jin, H. B. Lu, Y. H. Huang, Q. L. Zhou, M. He, Z. H. Chen, Y. L. Zhou, G. Z. Yang, “Transient lateral photovoltaic effect in p-n heterojunctions of Lasub0.7Sr0.3MnO3 and Si,” Appl. Phys. Lett. 88(14), 141914 (2006).
[CrossRef]

Janssen, R. A. J.

A. Dhanabalan, J. K. J. van Duren, P. A. van Hal, J. L. J. van Dongen, R. A. J. Janssen, “Synthesis and characterization of a low bandgap conjugated polymer for bulk heterojunction photovoltaic cells,” Adv. Funct. Mater. 11(4), 255–262 (2001).
[CrossRef]

Jin, K. J.

K. Zhao, K. J. Jin, H. B. Lu, Y. H. Huang, Q. L. Zhou, M. He, Z. H. Chen, Y. L. Zhou, G. Z. Yang, “Transient lateral photovoltaic effect in p-n heterojunctions of Lasub0.7Sr0.3MnO3 and Si,” Appl. Phys. Lett. 88(14), 141914 (2006).
[CrossRef]

Kim, D. U.

D. U. Kim, M. S. Gong, “Thick films of copper-titanate resistive humidity sensor,” Sens. Actuators B Chem. 110(2), 321–326 (2005).
[CrossRef]

Li, C. Z.

H. L. Zhu, J. Y. Zhang, C. Z. Li, F. Pan, T. M. Wang, B. B. Huang, “Cu2O thin films deposited by reactive direct current magnetron sputtering,” Thin Solid Films 517(19), 5700–5704 (2009).
[CrossRef]

Li, Y. D.

J. T. Zhang, J. F. Liu, Q. Peng, X. Wang, Y. D. Li, “Nearly monodisperse Cu2O and CuO nanospheres: preparation and applications for sensitive gas sensors,” Chem. Mater. 18(4), 867–871 (2006).
[CrossRef]

Li, Z. J.

Liu, F. J.

Liu, J. F.

J. T. Zhang, J. F. Liu, Q. Peng, X. Wang, Y. D. Li, “Nearly monodisperse Cu2O and CuO nanospheres: preparation and applications for sensitive gas sensors,” Chem. Mater. 18(4), 867–871 (2006).
[CrossRef]

Livingstone, J.

J. Henry, J. Livingstone, “Optimizing the response of Schottky barrier position sensitive detectors,” J. Phys. D Appl. Phys. 37(22), 3180–3184 (2004).
[CrossRef]

J. Henry, J. Livingstone, “Thin-film amorphous silicon position-sensitive detectors,” Adv. Mater. 13(12–13), 1022–1026 (2001).
[CrossRef]

Lu, H. B.

K. Zhao, K. J. Jin, H. B. Lu, Y. H. Huang, Q. L. Zhou, M. He, Z. H. Chen, Y. L. Zhou, G. Z. Yang, “Transient lateral photovoltaic effect in p-n heterojunctions of Lasub0.7Sr0.3MnO3 and Si,” Appl. Phys. Lett. 88(14), 141914 (2006).
[CrossRef]

Lv, Y. W.

MacManus-Driscoll, J. L.

K. P. Musselman, A. Marin, L. Schmidt-Mende, J. L. MacManus-Driscoll, “Incompatible length scales in nanostructured Cu2O solar cells,” Adv. Funct. Mater. 22(10), 2202–2208 (2012).
[CrossRef]

Marin, A.

K. P. Musselman, A. Marin, L. Schmidt-Mende, J. L. MacManus-Driscoll, “Incompatible length scales in nanostructured Cu2O solar cells,” Adv. Funct. Mater. 22(10), 2202–2208 (2012).
[CrossRef]

Mazzeo, G.

S. Salvatori, G. Mazzeo, G. Conte, “Voltage division position sensitive detectoron photoconductive materials; part I: principle of operation,” IEEE Sens. J. 8(2), 188–193 (2008).
[CrossRef]

Mittiga, A.

A. Mittiga, E. Salza, F. Sarto, M. Tucci, R. Vasanthi, “Heterojunction solar cell with 2% efficiency based on a Cu2O substrate,” Appl. Phys. Lett. 88(16), 163502 (2006).
[CrossRef]

Mullins, B. W.

K. A. M. Scott, A. K. Sharma, C. M. Wilson, B. W. Mullins, S. F. Soares, S. R. J. Brueck, “High resolution Si position sensor,” Appl. Phys. Lett. 62(24), 3141–3143 (1993).
[CrossRef]

Musselman, K. P.

K. P. Musselman, A. Marin, L. Schmidt-Mende, J. L. MacManus-Driscoll, “Incompatible length scales in nanostructured Cu2O solar cells,” Adv. Funct. Mater. 22(10), 2202–2208 (2012).
[CrossRef]

Neskovska, R.

R. Neskovska, M. Ristova, J. Velevska, M. Ristov, “Electrochromism of the electroless deposited cuprous oxide films,” Thin Solid Films 515(11), 4717–4721 (2007).
[CrossRef]

Pan, F.

H. L. Zhu, J. Y. Zhang, C. Z. Li, F. Pan, T. M. Wang, B. B. Huang, “Cu2O thin films deposited by reactive direct current magnetron sputtering,” Thin Solid Films 517(19), 5700–5704 (2009).
[CrossRef]

Park, W. S.

W. S. Park, H. S. Cho, “Measurement of fine 6-degrees-of-freedom displacement of rigid bodies through splitting a laser beam: experimental investigation,” Opt. Eng. 41(4), 860–871 (2002).
[CrossRef]

Peng, Q.

J. T. Zhang, J. F. Liu, Q. Peng, X. Wang, Y. D. Li, “Nearly monodisperse Cu2O and CuO nanospheres: preparation and applications for sensitive gas sensors,” Chem. Mater. 18(4), 867–871 (2006).
[CrossRef]

Ristov, M.

R. Neskovska, M. Ristova, J. Velevska, M. Ristov, “Electrochromism of the electroless deposited cuprous oxide films,” Thin Solid Films 515(11), 4717–4721 (2007).
[CrossRef]

Ristova, M.

R. Neskovska, M. Ristova, J. Velevska, M. Ristov, “Electrochromism of the electroless deposited cuprous oxide films,” Thin Solid Films 515(11), 4717–4721 (2007).
[CrossRef]

Salvatori, S.

S. Salvatori, G. Mazzeo, G. Conte, “Voltage division position sensitive detectoron photoconductive materials; part I: principle of operation,” IEEE Sens. J. 8(2), 188–193 (2008).
[CrossRef]

Salza, E.

A. Mittiga, E. Salza, F. Sarto, M. Tucci, R. Vasanthi, “Heterojunction solar cell with 2% efficiency based on a Cu2O substrate,” Appl. Phys. Lett. 88(16), 163502 (2006).
[CrossRef]

Sarto, F.

A. Mittiga, E. Salza, F. Sarto, M. Tucci, R. Vasanthi, “Heterojunction solar cell with 2% efficiency based on a Cu2O substrate,” Appl. Phys. Lett. 88(16), 163502 (2006).
[CrossRef]

Schmidt-Mende, L.

K. P. Musselman, A. Marin, L. Schmidt-Mende, J. L. MacManus-Driscoll, “Incompatible length scales in nanostructured Cu2O solar cells,” Adv. Funct. Mater. 22(10), 2202–2208 (2012).
[CrossRef]

Scott, K. A. M.

K. A. M. Scott, A. K. Sharma, C. M. Wilson, B. W. Mullins, S. F. Soares, S. R. J. Brueck, “High resolution Si position sensor,” Appl. Phys. Lett. 62(24), 3141–3143 (1993).
[CrossRef]

Sharma, A. K.

K. A. M. Scott, A. K. Sharma, C. M. Wilson, B. W. Mullins, S. F. Soares, S. R. J. Brueck, “High resolution Si position sensor,” Appl. Phys. Lett. 62(24), 3141–3143 (1993).
[CrossRef]

Soares, S. F.

K. A. M. Scott, A. K. Sharma, C. M. Wilson, B. W. Mullins, S. F. Soares, S. R. J. Brueck, “High resolution Si position sensor,” Appl. Phys. Lett. 62(24), 3141–3143 (1993).
[CrossRef]

Tucci, M.

A. Mittiga, E. Salza, F. Sarto, M. Tucci, R. Vasanthi, “Heterojunction solar cell with 2% efficiency based on a Cu2O substrate,” Appl. Phys. Lett. 88(16), 163502 (2006).
[CrossRef]

van Dongen, J. L. J.

A. Dhanabalan, J. K. J. van Duren, P. A. van Hal, J. L. J. van Dongen, R. A. J. Janssen, “Synthesis and characterization of a low bandgap conjugated polymer for bulk heterojunction photovoltaic cells,” Adv. Funct. Mater. 11(4), 255–262 (2001).
[CrossRef]

van Duren, J. K. J.

A. Dhanabalan, J. K. J. van Duren, P. A. van Hal, J. L. J. van Dongen, R. A. J. Janssen, “Synthesis and characterization of a low bandgap conjugated polymer for bulk heterojunction photovoltaic cells,” Adv. Funct. Mater. 11(4), 255–262 (2001).
[CrossRef]

van Hal, P. A.

A. Dhanabalan, J. K. J. van Duren, P. A. van Hal, J. L. J. van Dongen, R. A. J. Janssen, “Synthesis and characterization of a low bandgap conjugated polymer for bulk heterojunction photovoltaic cells,” Adv. Funct. Mater. 11(4), 255–262 (2001).
[CrossRef]

Vasanthi, R.

A. Mittiga, E. Salza, F. Sarto, M. Tucci, R. Vasanthi, “Heterojunction solar cell with 2% efficiency based on a Cu2O substrate,” Appl. Phys. Lett. 88(16), 163502 (2006).
[CrossRef]

Velevska, J.

R. Neskovska, M. Ristova, J. Velevska, M. Ristov, “Electrochromism of the electroless deposited cuprous oxide films,” Thin Solid Films 515(11), 4717–4721 (2007).
[CrossRef]

Wallmark, J. T.

J. T. Wallmark, “A new semiconductor photocell using lateral photoeffect,” Proc. IRE45(4), 474–483 (1957).
[CrossRef]

Wang, H.

Wang, T. M.

H. L. Zhu, J. Y. Zhang, C. Z. Li, F. Pan, T. M. Wang, B. B. Huang, “Cu2O thin films deposited by reactive direct current magnetron sputtering,” Thin Solid Films 517(19), 5700–5704 (2009).
[CrossRef]

Wang, X.

J. T. Zhang, J. F. Liu, Q. Peng, X. Wang, Y. D. Li, “Nearly monodisperse Cu2O and CuO nanospheres: preparation and applications for sensitive gas sensors,” Chem. Mater. 18(4), 867–871 (2006).
[CrossRef]

Wang, Y. S.

Wilson, C. M.

K. A. M. Scott, A. K. Sharma, C. M. Wilson, B. W. Mullins, S. F. Soares, S. R. J. Brueck, “High resolution Si position sensor,” Appl. Phys. Lett. 62(24), 3141–3143 (1993).
[CrossRef]

Xia, Y. X.

Xiao, S. Q.

Yang, G. Z.

K. Zhao, K. J. Jin, H. B. Lu, Y. H. Huang, Q. L. Zhou, M. He, Z. H. Chen, Y. L. Zhou, G. Z. Yang, “Transient lateral photovoltaic effect in p-n heterojunctions of Lasub0.7Sr0.3MnO3 and Si,” Appl. Phys. Lett. 88(14), 141914 (2006).
[CrossRef]

Yu, C. Q.

C. Q. Yu, H. Wang, “Large lateral photovoltaic effect in metal-(oxide-) semiconductor structures,” Sensors (Basel) 10(11), 10155–10180 (2010).
[CrossRef] [PubMed]

C. Q. Yu, H. Wang, S. Q. Xiao, Y. X. Xia, “Direct observation of lateral photovoltaic effect in nano-metal-films,” Opt. Express 17(24), 21712–21722 (2009).
[CrossRef] [PubMed]

Zhang, J. T.

J. T. Zhang, J. F. Liu, Q. Peng, X. Wang, Y. D. Li, “Nearly monodisperse Cu2O and CuO nanospheres: preparation and applications for sensitive gas sensors,” Chem. Mater. 18(4), 867–871 (2006).
[CrossRef]

Zhang, J. Y.

H. L. Zhu, J. Y. Zhang, C. Z. Li, F. Pan, T. M. Wang, B. B. Huang, “Cu2O thin films deposited by reactive direct current magnetron sputtering,” Thin Solid Films 517(19), 5700–5704 (2009).
[CrossRef]

Zhang, X. Q.

Zhao, K.

K. Zhao, K. J. Jin, H. B. Lu, Y. H. Huang, Q. L. Zhou, M. He, Z. H. Chen, Y. L. Zhou, G. Z. Yang, “Transient lateral photovoltaic effect in p-n heterojunctions of Lasub0.7Sr0.3MnO3 and Si,” Appl. Phys. Lett. 88(14), 141914 (2006).
[CrossRef]

Zhou, Q. L.

K. Zhao, K. J. Jin, H. B. Lu, Y. H. Huang, Q. L. Zhou, M. He, Z. H. Chen, Y. L. Zhou, G. Z. Yang, “Transient lateral photovoltaic effect in p-n heterojunctions of Lasub0.7Sr0.3MnO3 and Si,” Appl. Phys. Lett. 88(14), 141914 (2006).
[CrossRef]

Zhou, Y. L.

K. Zhao, K. J. Jin, H. B. Lu, Y. H. Huang, Q. L. Zhou, M. He, Z. H. Chen, Y. L. Zhou, G. Z. Yang, “Transient lateral photovoltaic effect in p-n heterojunctions of Lasub0.7Sr0.3MnO3 and Si,” Appl. Phys. Lett. 88(14), 141914 (2006).
[CrossRef]

Zhu, H. L.

H. L. Zhu, J. Y. Zhang, C. Z. Li, F. Pan, T. M. Wang, B. B. Huang, “Cu2O thin films deposited by reactive direct current magnetron sputtering,” Thin Solid Films 517(19), 5700–5704 (2009).
[CrossRef]

Zhu, L.

Adv. Funct. Mater. (2)

K. P. Musselman, A. Marin, L. Schmidt-Mende, J. L. MacManus-Driscoll, “Incompatible length scales in nanostructured Cu2O solar cells,” Adv. Funct. Mater. 22(10), 2202–2208 (2012).
[CrossRef]

A. Dhanabalan, J. K. J. van Duren, P. A. van Hal, J. L. J. van Dongen, R. A. J. Janssen, “Synthesis and characterization of a low bandgap conjugated polymer for bulk heterojunction photovoltaic cells,” Adv. Funct. Mater. 11(4), 255–262 (2001).
[CrossRef]

Adv. Mater. (1)

J. Henry, J. Livingstone, “Thin-film amorphous silicon position-sensitive detectors,” Adv. Mater. 13(12–13), 1022–1026 (2001).
[CrossRef]

Appl. Phys. Lett. (3)

K. Zhao, K. J. Jin, H. B. Lu, Y. H. Huang, Q. L. Zhou, M. He, Z. H. Chen, Y. L. Zhou, G. Z. Yang, “Transient lateral photovoltaic effect in p-n heterojunctions of Lasub0.7Sr0.3MnO3 and Si,” Appl. Phys. Lett. 88(14), 141914 (2006).
[CrossRef]

K. A. M. Scott, A. K. Sharma, C. M. Wilson, B. W. Mullins, S. F. Soares, S. R. J. Brueck, “High resolution Si position sensor,” Appl. Phys. Lett. 62(24), 3141–3143 (1993).
[CrossRef]

A. Mittiga, E. Salza, F. Sarto, M. Tucci, R. Vasanthi, “Heterojunction solar cell with 2% efficiency based on a Cu2O substrate,” Appl. Phys. Lett. 88(16), 163502 (2006).
[CrossRef]

Chem. Mater. (1)

J. T. Zhang, J. F. Liu, Q. Peng, X. Wang, Y. D. Li, “Nearly monodisperse Cu2O and CuO nanospheres: preparation and applications for sensitive gas sensors,” Chem. Mater. 18(4), 867–871 (2006).
[CrossRef]

IEEE Sens. J. (1)

S. Salvatori, G. Mazzeo, G. Conte, “Voltage division position sensitive detectoron photoconductive materials; part I: principle of operation,” IEEE Sens. J. 8(2), 188–193 (2008).
[CrossRef]

J. Phys. D Appl. Phys. (1)

J. Henry, J. Livingstone, “Optimizing the response of Schottky barrier position sensitive detectors,” J. Phys. D Appl. Phys. 37(22), 3180–3184 (2004).
[CrossRef]

Opt. Eng. (1)

W. S. Park, H. S. Cho, “Measurement of fine 6-degrees-of-freedom displacement of rigid bodies through splitting a laser beam: experimental investigation,” Opt. Eng. 41(4), 860–871 (2002).
[CrossRef]

Opt. Express (2)

Opt. Lett. (1)

Sens. Actuators B Chem. (1)

D. U. Kim, M. S. Gong, “Thick films of copper-titanate resistive humidity sensor,” Sens. Actuators B Chem. 110(2), 321–326 (2005).
[CrossRef]

Sensors (Basel) (1)

C. Q. Yu, H. Wang, “Large lateral photovoltaic effect in metal-(oxide-) semiconductor structures,” Sensors (Basel) 10(11), 10155–10180 (2010).
[CrossRef] [PubMed]

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H. L. Zhu, J. Y. Zhang, C. Z. Li, F. Pan, T. M. Wang, B. B. Huang, “Cu2O thin films deposited by reactive direct current magnetron sputtering,” Thin Solid Films 517(19), 5700–5704 (2009).
[CrossRef]

R. Neskovska, M. Ristova, J. Velevska, M. Ristov, “Electrochromism of the electroless deposited cuprous oxide films,” Thin Solid Films 515(11), 4717–4721 (2007).
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[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

XRD pattern of a Cu2O/Si structure by DC magnetron sputtering.

Fig. 2
Fig. 2

(a) LPV measurement in the structures of Cu2O/Si with different Cu2O film thickness (58.0 nm, 63.2 nm, 66.9 nm and 74.3 nm). The bottom inset displays the schematic circuit of the VAB measurement. LPVs in (b) PP and PN mode and (c) NN and NP mode as a function of laser position in Cu2O(66.9 nm)/Si structure. The inset shows the layout of LPV measurement. A (2 mm), B (−2 mm), C (2 mm) and D (−2 mm) mark the electrodes.

Fig. 3
Fig. 3

The LPV (VAB) as a function of laser position in Cu2O (66.9 nm)/Si structure when a bias voltage of −3 V is applied on electrodes B and D. The inset displays the schematic setup for LPV measurement, where A (2 mm), B (−2 mm), C (2 mm), and D (−2 mm) denote the electrodes.

Fig. 4
Fig. 4

The experimental results of LPV (VAB) measured in structure of Cu2O(66.9 nm)/Si with a negative bias voltage of −3 V, in which the distances between AB ( = 2L) are 3.0 mm, 4.0mm, 5.0 mm and 6.0 mm, respectively. The inset shows the schematic setup for LPV measurement with a bias voltage of −3 V.

Tables (1)

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Table 1 (Sensitivities measured on AB side in different bias voltage)

Equations (1)

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κ= 2 K f N 0 λ f exp( L λ f ),

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