W. Hefner

Engineering · Physical Sciences

7h-index204citations14works0.02yr avg
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Research Topics

Silicon and Solar Cell Technologies(5), Thin-Film Transistor Technologies(3), Phase Equilibria and Thermodynamics(2), Material Dynamics and Properties(2), Laser Material Processing Techniques(2)

Publications14 total

Nox-Free Solution for Emitter Etch-Back
EU PVSEC·2012· 11 citedOpen Access
Homogeneous Versus Selective Emitters - Perspectives for Future Industrial Processing of Crystalline Silicon Solar Cells
EU PVSEC·2010· 4 citedOpen Access
Industrial Multi-Crystalline Silicon Solar Cells with Dielectrically Passivated Rear Side and Efficiencies Above 18%
EU PVSEC·2010· 9 citedOpen Access
Improved laser edge isolation of crystalline silicon solar cells using a high power picosecond laser
2009· 8 cited
Excellent Edge Isolation of Crystalline Silicon Solar Cells Obtained by High-Power Picosecond Laser
EU PVSEC·2009Open Access
Acetylene
Ullmann's encyclopedia of industrial chemistry·2007· 5 cited
Acetylene
Ullmann's encyclopedia of industrial chemistry·2000· 16 cited
CO<sub>2</sub>/CH<sub>4</sub>‐Trennung mit Membranen aus Cellulosetriacetat: Einfluß der Prozeßparameter auf das Trennverhalten
Chemie Ingenieur Technik·1988
Verbesserte Absorptionsmessungen am Laminarstrahl bei kurzen Kontaktzeiten
Chemie Ingenieur Technik·1988
Charged Thermodynamically Stable Heterophase Fluctuations in Compressed Mercury Vapour
Berichte der Bunsengesellschaft für physikalische Chemie·1982· 16 cited
Dielectric Anomaly and the Vapor-Liquid Phase Transition in Mercury
Physical Review Letters·1982· 94 cited
Areale und soziolinguistische Variation: die p-/pf-Iso-glosse im Raum Rhein-Neckar-Main
1980
OPTICAL REFLECTIVITY MEASUREMENTS ON FLUID MERCURY
Le Journal de Physique Colloques·1980· 41 citedOpen Access
The determination of far field antenna patterns using Fresnel probe measurements
1968

Frequent Co-authors

F. Hensel(3), Peter H Roth(3), B. Schum(3), Peter Pässler(2), Helmut Meinass(2), Günter Ebersberg(2), Jürgen Bässler(2), Hartmut Behringer(2), Agata Lachowicz(2), K. Ramspeck(2), Mihail Manole(2), A. Metz(2), W. Schmidt(2), J. Moschner(2), Jörg Horzel(2), E. Parr(2), M. Fiedler(2), Y. Gassenbauer(2), E. Schmich(2), Oliver Haupt(2)