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Publications from author Koppes, M. 
Newman, B.K.; Bende, E.E.; Aken, B.B. van; Koppes, M.; Okel, L.A.G.; Loffler, J.; Romijn, I.G.; Gutjahr, A.; Tool, C.J.J.; Guillevin, N.; Geerligs, L.J.; Wang, J.; Zhai, jinye; Wang, Z.; Chen, Y.; Wang, Y.;
Manipulating reverse current in 21% n-MWT cells
ECN-M--15-042 EN september 2015; 6 pag.
 
Janssen, G.J.M.; Koppes, M.; Komatsu, Y.; Anker, J.; Liu, J.; Gutjahr, A.; Mewe, A.A.; Tool, C.J.J.; Romijn, I.G.; Siarheyeva, O.; Ernst, M.A.; Loo, B.H.W. van de; Kessels, W.M.M.;
Front side improvements for n-Pasha solar cells
ECN-M--14-047 EN september 2014; 4 pag.
 
Guillevin, N.; Gutjahr, A.; Geerligs, L.J.; Anker, J.; Bende, E.E.; Bennett, I.J.; Koppes, M.; Kossen, E.J.; Okel, L.A.G.; Slooff, L.H.; Broek, K.M.; Späth, M.; Tool, C.J.J.; Aken, B.B. van; Romijn, I.G.; Jianming, Wang; Ziqian, Wang; Zhai, jinye; Zhiliang, Wan; Shuquan, Tian; Zhiyan, Hu ; Gaofei, Li ; Bo, Yu; Jingfeng, Xiong ;
High efficiency n-type metal wrap through cells and modules using industrial processes
ECN-M--14-049 EN september 2014; 6 pag.
 
Cesar, I.; Guillevin, N.; Burgers, A.R.; Mewe, A.A.; Bende, E.E.; Rosca, V.; Aken, B.B. van; Koppes, M.; Anker, J.; Geerligs, L.J.; Weeber, A.W.;
Mercury: a novel design for a back junction back contact cell with front floating emitter for high efficiency and simplified processing
ECN-M--14-050 EN september 2014; 8 pag.
 
Romijn, I.G.; Aken, B.B. van; Anker, J.; Bennett, I.J.; Geerligs, L.J.; Guillevin, N.; Gutjahr, A.; Kossen, E.J.; Koppes, M.; Tool, C.J.J.; Renes, M.; Venema, P.; Ommen, N. van; Bakker, J.;
Improvements in advanced industrial n-type solar cells and modules
ECN-V--14-014 EN september 2014; 10 pag.
Published in: Photovoltaics International (PV-Tech), 2014, Ed.25 (September 2014), p.58-68.
 
Cesar, I.; Guillevin, N.; Burgers, A.R.; Mewe, A.A.; Koppes, M.; Anker, J.; Geerligs, L.J.; Weeber, A.W.;
MERCURY: a back junction back contact front floating emitter cell with novel design for high efficiency and simplified processing
ECN-W--14-033 EN september 2014; 10 pag.
Published in: Energy Procedia (Elsevier), 2014, Ed.55, p.633-642.
 
Burgers, A.R.; Cesar, I.; Guillevin, N.; Mewe, A.A.; Koppes, M.; Geerligs, L.J.; Weeber, A.W.;
Mercury: A back junction back contact cell with novel design for high efficiency and simplified processing
ECN-M--14-026 EN mei 2014; 13 pag.
 
Romijn, I.G.; Janssen, G.J.M.; Koppes, M.; Liu, J.; Komatsu, Y.; Gutjahr, A.; Kossen, E.J.; Mewe, A.A.; Tool, C.J.J.; Siarheyeva, O.; Ernst, M.A.;
Towards 21% : front side improvements for n-Pasha solar cells
ECN-M--14-029 EN mei 2014; 8 pag.
 
Rudolph, D.; Olibet, S.; Hoornstra, J.; Weeber, A.W.; Cabrera, E.; Carr, A.J.; Koppes, M.; Kopecek, R.;
Replacement of silver in silicon solar cell metallization pastes containing a highly reactive glass frit: is it possible?
ECN-W--13-017 EN november 2013; 10 pag.
Published in: Energy Procedia (Elsevier), 2013, Ed.43, p.44-53.
 
Romijn, I.G.; Aken, B.B. van; Anker, J.; Barton, P.C.; Gutjahr, A.; Komatsu, Y.; Koppes, M.; Kossen, E.J.; Lamers, M.W.P.E.; Saynova,  D.S.; Tool, C.J.J.; Zhang, Y.;
Industrial cost effective N-PASHA solar cells with >20% efficiency
ECN-M--13-026 EN september 2013; 5 pag.
 
Romijn, I.G.; Anker, J.; Burgers, A.R.; Gutjahr, A.; Heurtault, Benoit; Koppes, M.; Kossen, E.J.; Lamers, M.W.P.E.; Saynova - Oosterling, D.S.; Tool, C.J.J.;
Industrial n-type solar cells with >20% cell efficiency
ECN-M--13-005 EN maart 2013; 7 pag.
 
Romijn, I.G.; Aken, B.B. van; Anker, J.; Burgers, A.R.; Gutjahr, A.; Heurtault, B.; Koppes, M.; Kossen, E.J.; Lamers, M.W.P.E.; Saynova - Oosterling, D.S.; Tool, C.J.J.; Fang,  Lang; Jingfeng, Xiong ; Gaofei, Li ; Zhuo, Xu; Hongfang, Wang; Zhiyan, Hu ; Venema, P.; Vlooswijk, A.H.G.;
Industrial implementation of efficiency improvements in n-type solar cells and modules
ECN-M--12-065 EN november 2012; 7 pag.
 
Romijn, I.G.; Aken, B.B. van; Anker, J.; Burgers, A.R.; Gutjahr, A.; Heurtault, B.; Koppes, M.; Kossen, E.J.; Lamers, M.W.P.E.; Saynova - Oosterling, D.S.; Tool, C.J.J.; Fang,  Lang; Jingfeng, Xiong ; Gaofei, Li ; Zhuo, Xu; Hongfang, Wang; Zhiyan, Hu ; Venema, P.; Vlooswijk, A.H.G.;
Industrial implementation of efficiency improvements in n-type solar cells and modules
ECN-M--12-049 EN september 2012; 5 pag.
 
Romijn, I.G.; Burgers, A.R.; Geerligs, L.J.; Carr, A.J.; Gutjahr, A.; Saynova - Oosterling, D.S.; Anker, J.; Koppes, M.; Fang,  Lang; Jingfeng, Xiong ; Gaofei, Li ; Zhuo, Xu; Hongfang, Wang; Zhiyan, Hu ; Venema, P.; Vlooswijk, A.H.G.;
Optimizing screen printed n-type solar cells towards 20% efficiency
ECN-M--12-009 EN maart 2012; 5 pag.
 
Lamers, M.W.P.E.; Mewe, A.A.; Romijn, I.G.; Bende, E.E.; Komatsu, Y.; Koppes, M.; Morecroft, D.; Cascant, M.; Castano, F.J.; Weeber, A.W.; Cesar, I.;
Towards 21% efficient n-Cz IBC based on screen printing
ECN-M--11-010 EN september 2011; 4 pag.
 
Lamers, M.W.P.E.; Tjengdrawira, C.; Koppes, M.; Bennett, I.J.; Bende, E.E.; Visser, T.P.; Kossen, E.J.; Brockholz, B.; Mewe, A.A.; Romijn, I.G.; Sauar, E.; Carnel, L.; Julsrud, S.; Naas, T.; Jong, P.C. de; Weeber, A.W.;
17.9% Metal-Wrap-Through mc-Si cells resulting in module efficiency of 17.0%
ECN-W--10-063 EN december 2010; 12 pag.
Published in: Progress in Photovoltaics: Research and Applications (John Wiley & Sons Ltd.), 2011, Ed.online, p.-.
 
Lamers, M.W.P.E.; Tjengdrawira, C.; Koppes, M.; Bennett, I.J.; Bende, E.E.; Visser, T.P.; Kossen, E.J.; Brockholz, B.; Mewe, A.A.; Romijn, I.G.; Sauar, E.; Carnel, L.; Julsrud, S.; Naas, T.; Jong, P.C. de; Weeber, A.W.;
17.9% back-contacted mc-Si cells resulting in module efficiency of 17.0%
ECN-M--10-009 EN september 2010; 5 pag.
Presented at: 25th European Photovoltaic Solar Energy Conference and Exhibition - 5th World Conference on Photovoltaic Energy Conversion, Valencia, Spain, 6-10 september 2010.
 
Stassen, A.F.; Anker, J.; Danzl, F.J.K.; Komatsu, Y.; Koppes, M.; Kossen, E.J.;
How to improve a multicrystalline silicon solar cell process with more than one percentage point resulting in an average cell efficiency of 17.2%
ECN-M--10-016 EN september 2010; 3 pag.
Presented at: 25th European Photovoltaic Solar Energy Conference and Exhibition - 5th World Conference on Photovoltaic Energy Conversion, Valencia, Spain, 6-10 september 2010.
 
Koppes, M.; Stassen, A.F.;
Low cost selective emitter for multicrystalline solar cells with 0.4% point efficiency gain
ECN-M--10-018 EN september 2010; 4 pag.
Presented at: 25th European Photovoltaic Solar Energy Conference and Exhibition - 5th World Conference on Photovoltaic Energy Conversion, Valencia, Spain, 6-10 september 2010.
 
Stassen, A.F.; Koppes, M.; Hoogboom, J.;
Further improvements in surface modification of MC silicon solar cells: comparison of different post-PSG cleans for inline emitters
ECN-W--09-028 EN december 2009; 5 pag.
Published in: Photovoltaics International (PV-Tech), 2009, Ed.6, p.71-75.
 
Stassen, A.F.; Koppes, M.; Komatsu, Y.; Weeber, A.W.; Hoogboom, J.; Oosterholt, J.; Ritmeijer, S.;
Further improvements in surface modification of MC silicon solar cells: comparison of different post-PSG cleans suitable for inline emitters
ECN-M--09-029 EN september 2009; 3 pag.
Presented at: 24th European Photovoltaic Solar Energy Conference and Exhibition, Hamburg, Germany, 21-25 september 2009.
 
Mewe, A.A.; Lamers, M.W.P.E.; Bennett, I.J.; Koppes, M.; Romijn, I.G.; Weeber, A.W.;
Reaching 16.4 % module efficiency with back-contacted mc-Si solar cells
ECN-M--09-032 EN september 2009; 4 pag.
Presented at: 24th European Photovoltaic Solar Energy Conference and Exhibition, Hamburg, Germany, 21-25 september 2009.
 
Hoogboom, J.; Oosterholt, J.; Ritmeijer, S.; Groenewoud, L.; Stassen, A.F.; Koppes, M.; Tool, C.J.J.; Bultman, J.H.;
Surface modification for efficiency improvement of inline solar cell manufacture
ECN-W--08-062 EN november 2008; 5 pag.
Published in: Photovoltaics International (PV-Tech), 2008, Ed.2, p.54-59.
 
Romijn, I.G.; Lamers, M.W.P.E.; Stassen, A.F.; Mewe, A.A.; Koppes, M.; Kossen, E.J.; Weeber, A.W.;
Aspire: A new Industrial MWT Cell technology enabling high efficiencies on thin and large MC-SI Wafers
ECN-M--07-090 EN augustus 2007; 0 pag.
Presented at: 22nd European Photovoltaic Solar Energy Conference and Exhibition, Milan, Italy, 3-7 september 2007.
 
Romijn, I.G.; Cesar, I.; Koppes, M.; Kossen, E.J.; Weeber, A.W.;
PASHA: a new industrial process technology enabling high efficiencies on thin and large mc-Si wafers
ECN-M--07-092 EN augustus 2007; 5 pag.
Presented at: 33rd IEEE Photovoltaic Specialists Conference, San Diego, USA, 11-16 mei 2008.
 
Tool, C.J.J.; Koppes, M.; Weeber, A.W.; Fleuster, M.; van Straaten, B.H.M.;
Almost 1% absolute efficiency increase in mc-Si solar cell manufacturing with simple adjustments to the processing sequence
ECN-RX--06-028 EN september 2006; 5 pag.
Presented at: 21st European Photovoltaic Solar Energy Conference and Exhibition, Dresden, Germany, 4-8 september 2006.
 
Romijn, I.G.; Koppes, M.; Kossen, E.J.; Tool, C.J.J.; Weeber, A.W.;
High efficiencies on mc-Si solar cells enabled by industrial firing through rear side passivating SiNx:H
ECN-RX--06-036 EN september 2006; 4 pag.
Presented at: 21st European Photovoltaic Solar Energy Conference and Exhibition, Dresden, Germany, 4-8 september 2006.
 
Tool, C.J.J.; Hoornstra, J.; Koppes, M.; Kossen, E.J.; Rieffe, H.C.; Romijn, I.G.; Weeber, A.W.;
17% mc-Si solar cell efficiency using full in-line processing
ECN-RX--05-110 EN oktober 2005; 2 pag.
Presented at: 15th International Photovoltaic Science and Engineering Conference & Solar Energy Exhibition, Shanghai, China, 10-15 oktober 2005.
 
Weeber, A.W.; Granek, F.J.; Hoornstra, J.; Koppes, M.; Kossen, E.J.; Rieffe, H.C.; Romijn, I.G.; Tool, C.J.J.;
17% mc-Si solar cell efficiency using completely in-line processing with improved texturing and screen-printed contacts on lowly doped emitters
ECN-RX--05-008 EN juni 2005; 6 pag.
Presented at: 20th European Photovoltaic Solar Energy Conference and Exhibition, Barcelona, Spain, 6-10 juni 2005.
 
Tool, C.J.J.; Coletti, G.; Granek, F.J.; Hoornstra, J.; Koppes, M.; Kossen, E.J.; Rieffe, H.C.; Romijn, I.G.; Weeber, A.W.;
Straightforward in-line processing for a 16.8% efficient mc-Si solar cell
ECN-RX--05-049 EN 2005; 4 pag.
Presented at: 31st IEEE Photovoltaic Specialists Conference, Orlando, FL, USA, 3-5 januari 2005.
 
Weeber, A.W.; Burgers, A.R.; Goris, M.J.A.A.; Koppes, M.; Kossen, E.J.; Rieffe, H.C.; Soppe, W.J.; Tool, C.J.J.; Bultman, J.H.;
16% mc-Si cell efficiencies using industrial in-line processing
ECN-RX--04-064 EN juni 2004; 4 pag.
Presented at: 19th European Photovoltaic Solar Energy Conference and Exhibition, Paris, France, 7-11 juni 2004.
 
Bultman, J.H.; Burgers, A.R.; Hoornstra, J.; Kinderman, R.; Koppes, M.; Soppe, W.J.; Weeber, A.W.;
Ideal single diffusion step selective emitters : a comparison between theory and practice
ECN-RX--01-014 EN oktober 2001; 6 pag.
Presented at: 17th European Photovoltaic Solar Energy Conference, Munich, Germany, 22-26 oktober 2001.
 
Kinderman, R.; Bultman, J.H.; Hoornstra, J.; Koppes, M.; Weeber, A.W.;
First xSi cell results using selective emitters formed with diffusion barriers in one step
ECN-RX--01-034 EN juni 2001; 2 pag.
Presented at: 12th Photovoltaic Science and Engineering Conference, Jeju, Korea, 11-15 juni 2001.
 
Bultman, J.H.; Kinderman, R.; Hoornstra, J.; Koppes, M.;
Single step selective emitter using diffusion barriers
ECN-RX--00-011 EN mei 2000; 3 pag.
Presented at: 16th European Photovoltaic Solar Energy Conference and Exhibition, Glasgow, Scotland, 1-5 mei 2000.