Follow
Robel Bekele
Robel Bekele
university research foundation, university of florida, vanderbilt university, us naval research
Verified email at nrl.navy.mil - Homepage
Title
Cited by
Cited by
Year
Cu (In, Ga) Se2 thin films and devices sputtered from a single target without additional selenization
JA Frantz, RY Bekele, VQ Nguyen, JS Sanghera, A Bruce, SV Frolov, ...
Thin solid films 519 (22), 7763-7765, 2011
1172011
Nanoimaging of open-circuit voltage in photovoltaic devices
EM Tennyson, JL Garrett, JA Frantz, JD Myers, RY Bekele, JS Sanghera, ...
Adv. Energy Mater 5 (23), 1501142, 2015
942015
Organic photovoltaic cells with vertically aligned crystalline molecular nanorods
Y Zheng, R Bekele, J Ouyang, J Xue
Organic Electronics 10 (8), 1621-1625, 2009
492009
Chip-based nonmechanical beam steerer in the midwave infrared
JA Frantz, JD Myers, RY Bekele, CM Spillmann, J Naciri, J Kolacz, ...
JOSA B 35 (12), C29-C37, 2018
342018
Reconfiguring structured light beams using nonlinear metasurfaces
Y Xu, J Sun, J Frantz, MI Shalaev, W Walasik, A Pandey, JD Myers, ...
Optics Express 26 (23), 30930-30943, 2018
332018
Quaternary Sputtered Cu(In,Ga)Se2 Absorbers for Photovoltaics: A Review
JA Frantz, JD Myers, RY Bekele, VQ Nguyen, BM Sadowski, ...
IEEE Journal of Photovoltaics 6 (4), 1036-1050, 2016
212016
Copper indium gallium selenide (CIGS) thin films with composition controlled by co-sputtering
JA Frantz, JS Sanghera, RY Bekele, VQ Nguyen, ID Aggarwal, AJ Bruce, ...
US Patent 8,894,826, 2014
21*2014
Photovoltage tomography in polycrystalline solar cells
EM Tennyson, JA Frantz, JM Howard, WB Gunnarsson, JD Myers, ...
ACS Energy Letters 1 (5), 899-905, 2016
162016
Non-mechanical beam steering in the mid-wave infrared
JA Frantz, JD Myers, RY Bekele, CM Spillmann, J Naciri, JS Kolacz, ...
Advanced Optics for Defense Applications: UV through LWIR II 10181, 206-212, 2017
132017
Arsenic selenide thin film degradation and its mitigation
JA Frantz, JD Myers, RY Bekele, CM Spillmann, J Kolacz, H Gotjen, ...
Optical Materials Express 8 (12), 3659-3665, 2018
112018
Nonlinear metasurface for structured light with tunable orbital angular momentum
Y Xu, J Sun, J Frantz, MI Shalaev, W Walasik, A Pandey, JD Myers, ...
Applied Sciences 9 (5), 958, 2019
102019
Apparatus for Containment of Molten Aluminum Using Non-Wetting Materials
JD Myers, JA Frantz, GR Villalobos, JS Sanghera, B Sadowski, RY Bekele
US Patent App. 15/782,785, 2018
102018
Interdigitated bulk heterojunction organic photovoltaic cells with aligned copper phthalocyanine nanorods
Y Zheng, R Bekele, J Ouyang, J Xue
IEEE Journal of Selected Topics in Quantum Electronics 16 (6), 1544-1551, 2010
92010
Microstructured ZnO coatings combined with antireflective layers for light management in photovoltaic devices
JA Frantz, JD Myers, RY Bekele, LE Busse, JS Sanghera
Progress in Photovoltaics: Research and Applications 24 (11), 1427-1435, 2016
72016
Structural and electronic characteristics of Cu(In,Ga)Se2thin films sputtered from quaternary targets
JA Frantz, RY Bekele, JD Myers, VQ Nguyen, JS Sanghera, ...
2012 38th IEEE Photovoltaic Specialists Conference, 003098-003101, 2012
72012
Development of thin film claddings for single crystal optical fiber
JD Myers, W Kim, LB Shaw, S Bayya, SN Qadri, D Rhonehouse, C Askins, ...
Novel Optical Materials and Applications, NoTu4D. 4, 2018
62018
Refractive waveguide non-mechanical beam steering (NMBS) in the MWIR
JD Myers, JA Frantz, CM Spillmann, RY Bekele, J Kolacz, H Gotjen, ...
Photonic Instrumentation Engineering V 10539, 47-53, 2018
62018
Propagating transverse electric and transverse magnetic modes in liquid crystal-clad planar waveguides
J Kołacz, HG Gotjen, RY Bekele, JD Myers, JA Frantz, M Ziemkiewicz, ...
Liquid Crystals 47 (4), 531-539, 2020
52020
Recent progress in sputtered Cu (In, Ga) Se2 absorbers for photovoltaics
JA Frantz, JD Myers, RY Bekele, VQ Nguyen, BM Sadowski, ...
Novel Optical Materials and Applications, NS3B. 2, 2015
52015
Characterization of Cu(In, Ga)Se2 thin films and devices sputtered from a single target without additional selenization
JA Frantz, RY Bekele, VQ Nguyen, JS Sanghera, ID Aggarwal, A Bruce, ...
2011 37th IEEE Photovoltaic Specialists Conference, 000364-000367, 2011
52011
The system can't perform the operation now. Try again later.
Articles 1–20