Search Results - "Ullal, H.S."

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  1. 1

    Solar photovoltaic electricity: Current status and future prospects by Razykov, T.M., Ferekides, C.S., Morel, D., Stefanakos, E., Ullal, H.S., Upadhyaya, H.M.

    Published in Solar energy (01-08-2011)
    “…We review the technical progress made in the past several years in the area of mono- and polycrystalline thin-film photovoltaic (PV) technologies based on Si,…”
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    Journal Article
  2. 2

    14.6% efficient thin-film cadmium telluride heterojunction solar cells by Chu, T.L., Chu, S.S., Britt, J., Ferekides, C., Wang, C., Wu, C.Q., Ullal, H.S.

    Published in IEEE electron device letters (01-05-1992)
    “…Thin-film CdS/CdTe heterojunction solar cells have been prepared by the successive deposition of thin films of fluorine-doped SnO/sub 2/, CdS, p-CdTe, and an…”
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    Journal Article
  3. 3

    Polycrystalline thin-film photovoltaic technologies: from the laboratory to commercialization by Ullal, H.S., Zweibel, K., von Roedern, B.G.

    “…Substantial technical progress has occurred in the area of polycrystalline thin-film photovoltaic technologies based on cadmium telluride (CdTe) and copper…”
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    Conference Proceeding
  4. 4
  5. 5

    The role of polycrystalline thin-film PV technologies for achieving midterm market-competitive PV modules by von Roedern, B., Zweibel, K., Ullal, H.S.

    “…This paper reviews the current commercial status of CulnSe/sub 2/ alloys (collectively, CIS) and CdTe-based photovoltaic (PV) modules, comparing the…”
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    Conference Proceeding
  6. 6

    Current status of polycrystalline thin-film PV technologies by Ullal, H.S., Zwelbel, K., Von Roedern, B.

    “…Thin-film solar cell technologies based on CdTe and CIS have made significant technical progress. Most of the improvements have occurred at the level of solar…”
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    Conference Proceeding
  7. 7

    Progress and issues in polycrystalline thin-film PV technologies by Zweibel, K., Ullal, H.S., Von Roedern, B.

    “…Substantial progress has occurred in polycrystalline thin-film photovoltaic technologies. However, the transition to first-time manufacturing is still under…”
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    Conference Proceeding
  8. 8

    Ramakrishna Mission initiative impact study-a rural electrification project in West Bengal, India by Stone, J.L., Ullal, H.S., Chaurey, A., Bhatia, P.

    “…Three-hundred photovoltaic-powered solar home lighting (SHS) systems have been successfully operated in the Sundarbans region of West Bengal since 1997. This…”
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    Conference Proceeding
  9. 9

    The Indo-US cooperative photovoltaic project by Stone, J.L., Ullal, H.S., Sastry, E.V.R.

    “…A cooperative program was established in 1993 by the governments of India and the United States. The 50-50 cost share project funded 500,000 of PV power…”
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    Conference Proceeding
  10. 10

    Thin film photovoltaics (solar cells) by Zweibel, K., Ullal, H.S.

    “…The use of thin-film photovoltaic (PV) devices as cost-effective electricity sources is discussed, focusing on cadmium telluride, copper indium diselenide, and…”
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    Conference Proceeding
  11. 11

    Polycrystalline thin film photovoltaics: Research, development, and technologies by Ullal, H.S., Zweibel, K., von Roedern, B.

    “…II-VI binary thin-film solar cells based on cadmium telluride (CdTe) and I-III-VI ternary thin-film solar cells based on copper indium diselenide (CIS) and…”
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    Conference Proceeding
  12. 12

    Overview of the US DOE/NREL polycrystalline thin-film photovoltaic technologies by Ullal, H.S., Zweibel, K., von Roedern, B.G., Noufi, R., Sheldon, P.

    “…Thin-film solar cells based on CdTe, CuInSe/sub 2/ (CIS) and Si-film have made rapid progress in the past 18 months. Total-area efficiencies of 16.8% for CIGS,…”
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    Conference Proceeding
  13. 13

    Perspectives and opportunities in polycrystalline thin-film photovoltaic technologies by Zweibel, K., Ullal, H.S., von Roedern, B.G., Noufi, R., Coutts, T.J., Al-Jassim, M.M.

    “…The last 2 years have seen great turmoil in photovoltaics (PV) in general and in polycrystalline thin films (PTF) in particular. Companies have left the field…”
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    Conference Proceeding Journal Article
  14. 14

    The US DOE/NREL polycrystalline thin film photovoltaics project by Zweibel, K., Ullal, H.S., Mitchell, R.L., Noufi, R.

    “…Progress in polycrystalline thin films facilitated by the US Department of Energy/National Renewable Energy Laboratory (DOE/NREL) program has included:…”
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    Conference Proceeding
  15. 15

    Properties of Cd and Zn partial electrolyte treated CIGS solar cells by Ramanathan, K., Hasoon, F.S., Smith, S., Mascarenhas, A., Al-Thani, H., Alleman, J., Ullal, H.S., Keane, J., Johnson, P.K., Sites, J.R.

    “…We study the influence of Cd partial baths on the photovoltaic properties of CuInGaSe/sub 2/ (CIGS) and CuInGaSSe/sub 2/ (CIGSS) thin film absorbers. We find…”
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    Conference Proceeding
  16. 16

    The DOE/SERI polycrystalline thin film subcontract program by Zweibel, K., Ullal, H.S., Mitchell, R.L.

    “…The authors give a summary of the status of polycrystalline thin film solar cells. The requirements for them to meet the Department of Energy (DOE)…”
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    Conference Proceeding
  17. 17

    Junction and ohmic contact formation in compound semiconductors by rapid isothermal processing by Singh, R., Radpour, F., Chou, P., Nguyen, Q., Joshi, S. P., Ullal, H. S., Matson, R. J., Asher, S.

    “…The results of a new application of rapid isothermal processing (RIP) for the junction and ohmic contact formation in compound semiconductors are presented in…”
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    Journal Article
  18. 18

    Polycrystalline thin film photovoltaics by Zweibel, K., Ullal, H.S., Mitchell, R.L.

    “…Significant progress has recently been made towards improving the efficiencies of polycrystalline thin-film solar cells and modules using CuInSe/sub 2/ and…”
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    Conference Proceeding