Scientific Commons: A. Grohe

LASER TECHNOLOGY FOR CONTACTING HIGH-EFFICIENCY SILICON SOLAR CELLS THE LASER-FIRED CONTACTS APPROACH (2009)

A. Grohe, J. Nekarda, M. Hofmann, J. Catoir, B. Fleischhauer, E. Schneiderlöcher, ...

Conventional solar cell manufacturing based on screen-printing metallization implies several inherent dawbacks related to the technologies used as well as to the featured cell structure....

Selective laser ablation of SiNx layers on textured surfaces for low temperature front side metallizations (2009)

Knorz, A., Peters, M., Grohe, A., Harmel, C., Preu, R.

For an alternative front side metallization process without screen printing of metal paste the selective opening of the front surface anti-reflection coating could be realized by laser ablation. A...

Physical understanding of the behavior of silver thick-film contacts on n-type silicon under annealing conditions (2009)

Kontermann, S., Hörteis, M., Kasemann, M., Grohe, A., Preu, R., Pink, E., ...

High-efficiency silicon solar cells with evaporated front contacts and an oxide-passivated rear require post metallization annealing (PMA). In an industrial environment the evaporated front contacts...

Positive effects of front surface field in high-efficiency back-contact back-junction N-type silicon solar cells (2008)

Granek, F., Hermle, M., Reichel, C., Grohe, A., Schultz-Wittmann, O., Glunz, S.W.

The role of the phosphorus-doped front surface field (FSF) in n-type back-contact back-junction silicon solar cells was analyzed. The FSF improves the quality of the front surface passivation and...

Progress in advanced metallization technology at Fraunhofer ISE (2008)

Glunz, S.W., Aleman, M., Bartsch, J., Bay, J., Bayer, K., Bergander, R., ...

Fraunhofer ISE's concept for an advanced metallization of silicon solar cells is based on a two-step process: the deposition of a seed layer to form a mechanical and electrical contact and the...

Einsatz von Laserverfahren zur Prozessierung von kristallinen Silizium-Solarzellen (2008)

Grohe, A.

Laser processes for the industrial production of high efficiency silicon solar cells (2007)

Grohe, A., Nekarda, J., Knorz, A., Harmel, C., Wütherich, T., Mingirulli, N., ...

Lifetime studies on laser drilled vias for application in emitter-wrap-through-solar cells (2007)

Mingirulli, N., Grohe, A., Dohrn, A., Hofmann, M., Schubert, M., Roth, T., ...

Investigations on the influence of different annealing steps on silicon solar cells with silver thick-film contacts (2007)

Kontermann, S., Grohe, A., Erath, D., Preu, R., Willeke, G.

Progress in selective laser ablation of dielectric layers (2007)

Knorz, A., Grohe, A., Harmel, C., Preu, R., Luther, J.

Verfahren zum Aufbringen einer Struktur auf ein Halbleiterbauelement (2007)

Schultz, O., Granek, F., Grohe, A.

DE 102007006640 A1 UPAB: 20080903 NOVELTY - The method involves partially covering a surface of a semiconductor component with a masking layer. A film from structure material is applied on the...

Verfahren zur Präzisionsbearbeitung von Substraten und dessen Verwendung (2007)

Mayer, K., Aleman, M., Kray, D., Glunz, S., Mette, A., Preu, R., ...

WO 2008107194 A2 UPAB: 20080930 NOVELTY - In a precision process to modify the microstructure of a thin layer for the local introduction of doping agents and local application of a seed layer, the...

Characterization of laser-fired contacts in PERC solar cells: SIMS and TEM analysis applying advanced preparation techniques (2006)

Houben, L, Meertens, D, Grohe, A, Brammer, T, Schneiderloechner, E

In this study we apply ion-beam supported preparation techniques for both mesa formation by trench sputtering and FIB 'lift-out' lamella cutting for dynamic SIMS and TEM analysis of laser-fired Al...

20 center dot 5% efficient silicon solar cell with a low temperature rear side process using laser-fired contacts (2006)

Brendle, W., Nguyen, V.X., Grohe, A., Schneiderlöchner, E., Rau, U., Pallinger, G., ...

The paper presents a rear side structure for crystalline silicon solar cells, which is processed at a maximum temperature of 220 degrees C. Using two different material compositions for electrical...

Characterization of laser-fired contacts in PERC solar cells: SIMS and TEM analysis applying advanced preparation techniques (2006)

Zastrow, U., Houben, L., Meertens, D., Grohe, A., Brammer, T., Schneiderlöchner, E.

In this study we apply ion-beam supported preparation techniques for both mesa formation by trench sputtering and FIB 'lift-out' lamella cutting for dynamic SIMS and TEM analysis of laser-fired Al...

Laser applications in crystalline silicon solar cell production (2006)

Grohe, A., Preu, R., Glunz, S.W., Willeke, G.

Boundary conditions for the industrial production of LFC cells - Results from the joint project INKA (2006)

Grohe, A., Catoir, J., Fleischhauer, B., Preu, R., Glunz, S.W., Willeke, G.P.

Novel low temperature front side metallisation scheme using selective laser ablation of anti-reflection coatings and electroless nickel plating (2006)

Grohe, A., Knorz, A., Aleman, M., Harmel, C., Glunz, S.W., Willeke, G.P.

Boundary conditions for the industrial production of LFC cells (2006)

Grohe, A., Fleischhauer, B., Preu, R., Glunz, S.W., Willeke, G.P.

Selective laser ablation of anti-reflection coatings for novel metallization techniques (2006)

Grohe, A., Harmel, C., Knorz, A., Glunz, S., Preu, R., Willeke, G.

Optimisation of laser-fired aluminium emitters for high efficiency n-Type Si solar cells (2006)

Ganek, F., Hermle, M., Fleischhauer, B., Grohe, A., Schultz, O., Willeke, G.

Dielectric rear surface passivation for industrial multicrystalline silicon solar cells (2006)

Schultz, O., Rentsch, J., Grohe, A., Glunz, S., Willeke, G.

Technology route towards industrial application of rear passivated silicon solar cells (2006)

Rentsch, J., Schultz, O., Grohe, A., Biro, D., Preu, R., Willeke, G.

The status of silicon solar cell production technology development at Fraunhofer ISE (2006)

Preu, R., Biro, D., Rentsch, J., Emanuel, G., Grohe, A., Hofmann, M.

High-efficiency solar cells with laser-grooved buried contact front and laser-fired rear for industrial production (2006)

Schultz, O., Glunz, S., Warta, W., Preu, R., Grohe, A., Hermle, M., ...

Verfahren zur Metallisierung von Halbleiterbauelementen und Verwendung (2006)

Grohe, A., Nekarda, J., Schultz, O.

DE 102006044936 A1 UPAB: 20080421 NOVELTY - The method involves placing an aluminum foil partially in direct contact with the surface, and implementing a partial connection of the aluminum with the...

Boundary conditions for the industrial production of LFC cells - Results from the joint project INKA (2006)

Grohe, A., Catoir, J., Fleischhauer, B., Preu, R., Glunz, S.W., Willeke, G.P.

Novel low temperature front side metallisation scheme using selective laser ablation of anti-reflection coatings and electroless nickel plating (2006)

Grohe, A., Knorz, A., Aleman, M., Harmel, C., Glunz, S.W., Willeke, G.P.

Optimisation of laser-fired aluminium emitters for high efficiency n-Type Si solar cells (2006)

Ganek, F., Hermle, M., Fleischhauer, B., Grohe, A., Schultz, O., Willeke, G.

Progress in the characterisation of laser-fired contacts (2005)

Grohe, A., Zastrow, U., Meertens, D., Houben, L., Brendle, W., Bilger, G., ...

Status and advancement in transferring the laser-fired contact technology to screen-printed solar cells (2005)

Grohe, A., Schneiderlöchner, E., Fleischhauer, B., Hofmann, M., Glunz, S.W., Preu, R., ...

Comparison of different dielectric passivation layers for application in industrially feasible high-efficiency crystalline silicon solar cells (2005)

Glunz, S.W., Grohe, A., Hermle, M., Hofmann, M., Janz, S., Roth, T., ...