Zobrazeno 1 - 10
of 24
pro vyhledávání: '"H.E. Elgamel"'
Autor:
H.E. Elgamel
Publikováno v:
Sensors and Actuators A: Physical. 50:17-22
A quasi-analytical technique which is capable of representing the relationships between stress, diaphragm deflection, and resistance change with pressure in closed-form expressions for square, thin silicon diaphragms with built-in edges is presented.
Autor:
K. De Clercq, Jozef Szlufcik, Siva Sivoththaman, Jef Poortmans, Gerhard Willeke, Johan Nijs, Moustafa Y. Ghannam, Olivier Evrard, P. J. De Schepper, Robert Mertens, Peter Fath, H.E. Elgamel
Publikováno v:
Renewable Energy. 6:573-578
In order to optimize the efficiency of multicrystalline silicon solar cells, the influence of specific process steps and sequences were studied. Therefore clean-room high efficiency as well as industrial screen-printed cells were fabricated. Benefits
Autor:
Le Quang Nam, H.E. Elgamel, Robert Mertens, M. Rodot, Sivanarayanamoorthy Sivoththaman, Johan Nijs, Moustafa Y. Ghannam, D. Sarti
Publikováno v:
Solar Energy Materials and Solar Cells. 36:99-105
The compensatory behaviour of open-circuit voltage ( V OC ) and short-circuit current ( J SC ) in function of the base resistivity of multicrystalline silicon (Polix) solar cells (4 cm 2 ) is investigated. Thin substrates (200 μm) with base resistiv
Autor:
D. Sarti, J.F. Nijs, H.E. Elgamel, Sivanarayanamoorthy Sivoththaman, Moustafa Y. Ghannam, M. Rodot
Publikováno v:
Conference Record of the Twenty Third IEEE Photovoltaic Specialists Conference - 1993 (Cat. No.93CH3283-9).
The trade-off between the open circuit voltage and the short circuit current i.f.o. the base resistivity of multicrystalline silicon (Polix) solar cells (4 cm/sup 2/) is investigated. Very thin substrates (180 /spl mu/m) with base resistivities betwe
Publikováno v:
Conference Record of the Twenty Third IEEE Photovoltaic Specialists Conference - 1993 (Cat. No.93CH3283-9).
In this paper, the authors investigate the use of lifetime measurements as a tool to monitor high-efficiency silicon solar cell processes. Contactless lifetime measurements are carried out after every processing step for monocrystalline float zone wa
Publikováno v:
Conference Record of the Twenty Third IEEE Photovoltaic Specialists Conference - 1993 (Cat. No.93CH3283-9).
Electromagnetically cold crucible casted multicrystalline silicon (EMC) has been recently introduced as a potentially cheap, and clean material for solar cells. Improving the bulk quality of EMC material by hydrogen plasma passivation is investigated
Publikováno v:
Proceedings of 1994 IEEE 1st World Conference on Photovoltaic Energy Conversion - WCPEC (A Joint Conference of PVSC, PVSEC and PSEC).
The grains in the multicrystalline materials used nowadays are typically in the order of a mm or more. In the present study the improvement of different materials (Eurosolare material and EMC material from Sumitomo Sitix) is studied. The method of hy
Publikováno v:
Proceedings of 1994 IEEE 1st World Conference on Photovoltaic Energy Conversion - WCPEC (A Joint Conference of PVSC, PVSEC and PSEC).
Conventional (CC) and electromagnetically cast (EMC) multicrystalline silicon solar cells are fabricated following different passivation schemes. Thin layers (/spl sim/100 /spl Aring/) of thermal dry and PECVD SiO/sub 2/ are implemented for providing
Autor:
J. Coppye, H.E. Elgamel, Johan Nijs, Jozef Szlufcik, P. J. De Schepper, Robert Mertens, Moustafa Y. Ghannam
Publikováno v:
The Conference Record of the Twenty-Second IEEE Photovoltaic Specialists Conference - 1991.
The effect of front-side and back-side hydrogen plasma passivation on the efficiency of polycrystalline silicon solar cells is studied. Experiments are performed on clean room processed cells and on solar cells processed by screenprinting techniques.
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