Search Results - "Jay Chey, S."

A High-Efficiency Solution-Deposited Thin-Film Photovoltaic Device by Mitzi, David B., Yuan, Min, Liu, Wei, Kellock, Andrew J., Chey, S. Jay, Deline, Vaughn, Schrott, Alex G.

“…High‐quality Cu(In,Ga)Se2 (CIGS) films are deposited from hydrazine‐based solutions and are employed as absorber layers in thin‐film photovoltaic devices. The…”
Get full text

12% Efficiency CuIn(Se,S)2 Photovoltaic Device Prepared Using a Hydrazine Solution Process by Liu, Wei, Mitzi, David B, Yuan, Min, Kellock, Andrew J, Chey, S. Jay, Gunawan, Oki

“…Thin-film CuIn(Se,S)2 (i.e., CIS) absorbers have been solution-deposited using a hydrazine-based approach that offers the potential to significantly lower the…”
Get full text

Optimization of CIGS-Based PV Device through Antimony Doping by Yuan, Min, Mitzi, David B, Liu, Wei, Kellock, Andrew J, Chey, S. Jay, Deline, Vaughn R

Get full text

Thin film solar cell with 8.4% power conversion efficiency using an earth-abundant Cu2ZnSnS4 absorber by Shin, Byungha, Gunawan, Oki, Zhu, Yu, Bojarczuk, Nestor A., Chey, S. Jay, Guha, Supratik

“…ABSTRACT Using vacuum process, we fabricated Cu2ZnSnS4 solar cells with 8.4% efficiency, a number independently certified by an external, accredited…”
Get full text

Control of an interfacial MoSe2 layer in Cu2ZnSnSe4 thin film solar cells: 8.9% power conversion efficiency with a TiN diffusion barrier by Shin, Byungha, Zhu, Yu, Bojarczuk, Nestor A, Chey, S Jay, Guha, Supratik

“…We have examined Cu2ZnSnSe4 (CZTSe) solar cells prepared by thermal co-evaporation on Mo-coated glass substrates followed by post-deposition annealing under Se…”
Get full text

Defects in Cu(In,Ga)Se2 Chalcopyrite Semiconductors: A Comparative Study of Material Properties, Defect States, and Photovoltaic Performance by Cao, Qing, Gunawan, Oki, Copel, Matthew, Reuter, Kathleen B., Chey, S. Jay, Deline, Vaughn R., Mitzi, David B.

“…Understanding defects in Cu(In,Ga)(Se,S)2 (CIGS), especially correlating changes in the film formation process with differences in material properties,…”
Get full text

Hydrazine-based deposition route for device-quality CIGS films by Mitzi, David B., Yuan, Min, Liu, Wei, Kellock, Andrew J., Chey, S. Jay, Gignac, Lynne, Schrott, Alex G.

“…A simple solution-based approach for depositing CIGS (Cu–In–Ga–Se/S) absorber layers is discussed, with an emphasis on film characterization, interfacial…”
Get full text

Antimony assisted low-temperature processing of CuIn1-xGaxSe2-ySy solar cells by MIN YUAN, MITZI, David B, GUNAWAN, Oki, KELLOCK, Andrew J, CHEY, S. Jay, DELINE, Vaughn R

Get full text

Progress towards marketable earth-abundant chalcogenide solar cells by Todorov, Teodor, Gunawan, Oki, Chey, S. Jay, de Monsabert, Thomas Goislard, Prabhakar, Aparna, Mitzi, David B.

“…Kesterite-related photovoltaic materials are considered a promising alternative to CdTe and Cu(In,Ga)(S,Se) 2 absorbers, primarily because they are not reliant…”
Get full text

Low-Voltage Transistor Employing a High-Mobility Spin-Coated Chalcogenide Semiconductor by Mitzi, D. B., Copel, M., Chey, S. J.

“…In2Se3 thin films are spin‐coated using a hydrazinium‐precursor approach to yield thin‐film transistors (TFTs, see Figure). The highly toxic and explosive…”
Get full text

Defects in Chalcopyrite Semiconductors: Defects in Cu(In,Ga)Se2 Chalcopyrite Semiconductors: A Comparative Study of Material Properties, Defect States, and Photovoltaic Performance (Adv. Energy Mater. 5/2011) by Cao, Qing, Gunawan, Oki, Copel, Matthew, Reuter, Kathleen B., Chey, S. Jay, Deline, Vaughn R., Mitzi, David B.

“…David Mitzi and co‐workers have studied defects in Cu(In,Ga)Se2 (CIGS), intentionally induced with controlled processing, with both material and device…”
Get full text

Metastable structures and critical thicknesses: Ag on Si(111)-7×7 by Huang, Lin, Jay Chey, S., Weaver, J.H.

“…Scanning tunneling microscopy was used to investigate recrystallization of nonequilibrium thin films of Ag grown on Si(111)-7×7 at 50 K. At this temperature,…”
Get full text

Torwards marketable efficiency solution-processed kesterite and chalcopyrite photovoltaic devices by Mitzi, David B, Todorov, Teodor K, Gunawan, Oki, Min Yuan, Qing Cao, Wei Liu, Reuter, Kathleen B, Kuwahara, Masaru, Misumi, Kouichi, Kellock, Andrew J, Chey, S Jay, de Monsabert, Thomas Goislard, Prabhakar, Aparna, Deline, Vaughn, Fogel, K E

“…Although CuIn 1-x GaxSe 2-y S y (CIGS) chalcopyrite and Cu 2 ZnSn(S,Se) 4 (CZTSSe) kesterite-related films offer significant potential for low-cost…”
Get full text

Surface morphology during multilayer epitaxial growth of Ge(001) by Van Nostrand JE, Chey, SJ, Hasan, M, Cahill, DG, Greene, JE

“…The surface morphology of Ge(001) films grown by molecular beam epitaxy on a Ge(001) substrate is measured using scanning tunneling microscopy. Growth mounds…”
Get full text

Buffer-Layer-Assisted Growth of Nanocrystals: Ag-Xe-Si(111) by Huang, Lin, Chey, S. Jay, Weaver, J. H.

Get full text

Defects in Cu(In,Ga)Se 2 Chalcopyrite Semiconductors: A Comparative Study of Material Properties, Defect States, and Photovoltaic Performance by Cao, Qing, Gunawan, Oki, Copel, Matthew, Reuter, Kathleen B., Chey, S. Jay, Deline, Vaughn R., Mitzi, David B.

“…Understanding defects in Cu(In,Ga)(Se,S) 2 (CIGS), especially correlating changes in the film formation process with differences in material properties,…”
Get full text

Control of an interfacial MoSe 2 layer in Cu 2 ZnSnSe 4 thin film solar cells: 8.9% power conversion efficiency with a TiN diffusion barrier by Shin, Byungha, Zhu, Yu, Bojarczuk, Nestor A., Jay Chey, S., Guha, Supratik

Get full text

Surface morphology of GaAs(001) grown by solid- and gas-source molecular beam epitaxy by Van Nostrand, Joseph E, Chey, S.Jay, Cahill, David G, Botchkarev, A.E, Morkoç, H

“…Scanning tunneling microscopy is used to characterize the surface of homoepitaxial GaAs(001) films deposited on GaAs(001) substrates miscut 0.2° towards [110]…”
Get full text

Thin film solar cell with 8.4% power conversion efficiency using an earth‐abundant Cu 2 ZnSnS 4 absorber by Shin, Byungha, Gunawan, Oki, Zhu, Yu, Bojarczuk, Nestor A., Chey, S. Jay, Guha, Supratik

“…Using vacuum process, we fabricated Cu 2 ZnSnS 4 solar cells with 8.4% efficiency, a number independently certified by an external, accredited laboratory. This…”
Get full text

Defects in Chalcopyrite Semiconductors: Defects in Cu(In,Ga)Se 2 Chalcopyrite Semiconductors: A Comparative Study of Material Properties, Defect States, and Photovoltaic Performance (Adv. Energy Mater. 5/2011) by Cao, Qing, Gunawan, Oki, Copel, Matthew, Reuter, Kathleen B., Chey, S. Jay, Deline, Vaughn R., Mitzi, David B.

Get full text