Technical digest of 18th International Photovoltaic ...· 18th International Photovoltaic Science

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TECHNICAL DIGESTof

18th International PhotovoltaicScience and Engineering

Conference & Exhibition

19-23 January, 2009

Science City Convention Center

Kolkata, India

^^^^^^Wl^^^^^^^^^^^^^^^^^^^^^^^BIS1'1 International l*\ SIX Organization Committee

^^^^^^^^js^^^^^^^^^p^^^^^^^^^^^^^^^^fcIndian Association lor the Culli\alion of Science. Kolknla

West Bengal Kenewnhle Kner Dcxclopmcnl \cnc\

flflMACMILLAN

Sponsors

Message from the State Minister, Vilas Muttemwar

Message from General Chairperson, A.K. BaruaCommittees

v

vii

ix

xi

AREA 1: CRYSTALLINE SILICON SOLAR CELL & TECHNOLOGIES 1

TOWARDS SOLAR GRADE SILICON: CHALLENGES AND BENEFITS FOR 3

LOW COST PHOTOVOLTAICS (PLENARY)- Sergio Pizzini

ROAD TO COST EFFECTIVE SILICON PV (PLENARY) 4- Ajeet Rohatgi, Alan Ristow, Arnab Das and Saptharishi Ramanathan

ANALYSIS OF PERFORMANCE LIMITING MATERIAL PROPERTIES OF 8

MULTICRYSTALLINE SILICON (INVITED)- W. Warta, M.C. Schubert, H. Habenicht, M. Kasemann, W. Kwapil,

P. Gundel and J. Schon

DEFECT GENERATION DURING SOLIDIFICATION OF MULTICRYSTALLINE 12

SILICON (INVITED)- Gaute Stokkan, Birgit Ryningen, Otto Lohne, Eivind 0vrelid, Marisa Di Sabatino,

Espen Olsen and Arve Holt

HIGH EFFICIENCY HETEROJUNCTION SOLAR CELLS: FUNDAMENTAL AND 16

PRACTICALASPECTS (INVITED)- Christophe Ballif, Sara Olibet, Stefaan De Wolf, Jerome Damon-lacoste

and Luc Fesquet

INSIGHTS GAINED FROM COMPUTER MODELING OF HETEROJUNCTION 17

WITH INSTRINSIC THIN LAYERS "HIT" SOLAR CELLS (INVITED)- A. Datta, M. Rahmouni, M. Nath, P. Roca I. Cabarrocas and P. Chatterjee

SANYO'S CHALLENGES FOR HIGH COST-PERFORMANCE THIN-FILM 21

SILICON SOLAR CELLS (INVITED)- Makoto Tanaka

SILICON QUANTUM DOTS FOR SOLAR CELL APPLICATIONS (INVITED) 22

- Chetan Singh Solanki

BORON DIFFUSION EFFECTS ON N-TYPE mc-Si I_GOTS GROWN BY 23TWO DIFFERENT METHODS

- A. Uzum, M. Dhamrin, A. Ben Jaballah, P. Supqjariyawichai, N. Ban, L.G. Wei,T. Saitoh, K. Kamisako and I. Yamaga

xx Contents

INFLUENCE OF THE AMORPHOUS/CRYSTALLINE BAND DISCONTINUITY ON 25

HOLE TRANSPORT IN P-a-Sr.H/N-c-Si FRONT HETEROJUNCTION SOLAR CELLS

- A. Datta, M. Rahmouni, P Roca I Cabarrocas, M. Labrune and P. Chatterjee

INFLUENCE OF REAR-SIDE PASSIVATION ON PERFORMANCE OF 27

THEMULTICRYSTALLINE BLACK SILICON SOLAR CELL

- Ching-Hsi Lin, Dimitre Z. Dimitrov, Chen-Hsun Dn and Chung-Wen Lan

DIAGNOSTICS OF ELECTRICAL LOSSES IN SI SOLAR CELLS USING CORESCAN 29

- Debajyoti Sarangi, Bharath Reddy, Kaustuv Chakrabarty and Amitabh Verma

OVERVIEW ON THE USE OF LASER PROCESSING TECHNIQUES FOR 31

HIGH-EFFICIENCY SILICON WAFER SOLAR CELLS

- D.V. Tran and A.G Aberle

CHARACTERIZATION OF P-|ic-SiO/N-c-Si HETEROJUNCTION BYADMITTANCE 33

SPECTROSCOPY: EXPERIMENT AND SIMULATION

- Fangdan Jiang, Jaran Sritharathikhun, Shinsuke Miyajima, Akira Yamadaand Makoto Konagai

EFFECT OF INTENSITY ON DIODE PARAMETERS OF SILICON SOLAR CELL 35

- Firoz Khan, S.N. Singh and M. Husain

IMPACT OF TRANSITION METALS IN FEEDSTOCK ON MULTICRYSTALLINE 37

SILICON SOLAR CELL PROPERTIES

- G. Coletti, P. Bronsveld, R. Kvande, L.J. Geerligs, L. Arnberg, H. Habenicht,W. Warta and C. Knopf

HIGH THROUGHPUT AND HIGH EFFICIENCY INLINE INDUSTRIAL 39

MANUFACTURING OF CRYSTALLINE SILICON SOLAR CELLS

- Goutam Samanta, Sujit Pillai and Vijay Kumar

HIGH QUALITY i-a-SiO:H BUFFER LAYER FOR HIGH EFFICIENCY 42

P-jic-SiO:H/n-c-Si HETEROJUNCTION SOLAR CELLS

- Jaran Sritharathikhun, Shinsuke Miyajima, Akira Yamada and Makoto Konagai

SILICON HETEROJUNCTION SOLAR CELLS WITH A HYDROGENATED 44

AMORPHOUS ALUMINUM OXIDE REAR SURFACE PASSIVATION LAYER

- Junpei Irikawa, Shinsuke Miyajima, Akira Yamada, Makoto Konagai

EFFECT OF SINX:H PASSIVATION FILMS DEPOSITED BY RF-RPECVD 46

TECHNIQUE ON CRYSTALLINE SILICONWAFERS QUALITY- Kazuya Furuichi, Shuhei Maeda, Yuji Suzuki, Marwan Dhamrin, Masanori Suda

and Koichi Kamisako

DRY ETCHING USING HYDROGEN RADICALS FOR SOLAR CELLS APPLICATION 48

- Keisuke Ogawa, Fumiya Kadono, Marwan Dhamrin, Tadashi Saitoh andKoichi Kamisako

Contents xxi

EFFECT OF SPIN COATING SPEED AND GAS AMBIENT ON THE EMITTER SHEET 50

RESISTANCE OF mc-Si WAFERS FOR SOLAR CELL APPLICATION

- N. Ban, L.W. Goh, P. Supajariyawichai, A. Uzum, A.B. Jaballah, M. Dhamrin,

T. Saitoh and K. Kamisako

SCREEN-PRINTING THE SELECTIVE EMITTER ON THE P-TYPE MONOCRYS- 52

TALLINE SILICON SOLAR CELLS WITH BORON BACK SURFACE FIELD

- Le Yang, Qinghao Ye, Gaojie Zhang, Zhu Chen, Jingxiao Wang and Xusheng Wang

FORMATION OF FRONT AND REAR CONTACTS FOR MULTI-CRYSTALLINE 55

SILICON SOLAR CELLS BY RAPID THERMAL PROCESSING

- Ling Wei Goh, Naoki Ban, Abdullah Uzum, Piyasak Supajariyawichai,

Marwan Dhamrin and Koichi Kamisako

INFLUENCE OF WAFER QUALITY ON CELL PERFORMANCE 57

- L. Camel, P.C. Hjemas, T. Lu, J. Nyhus, K. Helland and 0. Gjerstad

IMPROVED PROCESS FOR THE FORMATION OF AL-ALLOYED EMITTER IN 59

N-TYPE SOLAR CELLS

- Ly Mai, Adeline Sugianto, Alison M. Wenham and Stuart R. Wenham

ALUMINIUM-ALLOYED REAR JUNCTION LASER DOPED CONTACT SOLAR 61

CELLS ON CZ N-TYPE SILICON

- Ly Mai, Budi S. Tjahjono, Adeline Sugianto, Matt B.Edwards, Ziv Hameiri and

Stuart R. Wenham

EFFICIENT PASSIVATION OF SILICON SURFACES USING ATOMIC LAYER 63

DEPOSITION OF DIELECTRICS

- Jun Wang, Mariyappan Shanmugam, Mahdi Farrokh-Baroughi,Roohollah Samadzadeh Tarighat and Siva Sivoththaman

SOL-GEL PROCESSED SILICA GEL FOR SILICON SURFACE PASSIVATION AT 65

ROOM TEMPERATURE

- Mariyappan Shanmugam, Jun Wang, Mahdi Farrokh-Baroughi,Roohollah Samadzadeh-Tarighat and Siva Sivoththaman

THERMAL STABILITY OF PECVD a-Si:H SINGLE AND PECVD a-Si:H + PECVD 67

a-SiOX:H DOUBLE LAYERS FOR SILICON SOLAR CELL REAR SIDE PASSIVATION

- M. Hofinann, C. Schmidt, B. Raabe, J. Rentsch and R. Preu

SPATIALLY RESOLVED DETERMINATION OF THE DARK SATURATION CURRENT 69

BY ELECTROLUMINESCENCE IMAGING

- Markus Glatthaar, Johannes Giesecke, Martin Kasemann, Jonas Haunschild,

Manuel The, Wilhem Warta and Stefan Rein

HIGH CARRIER LIFETIMES IN SB-DOPED DIRECTIONALLY SOLIDIFIED 71

MULTICRYSTALLINE SILICON INGOTS

- Marwan Dhamrin, Tadashi Saitoh, Isao Yamaga and Koichi Kamisako

xxii Contents

OPTIMIZATION OF INTERDIGITATION PARAMETERS FOR BACK-CONTACT 73

SILICON HETEROJUNCTION SOLAR CELLS

- Omkar Jani, Ujjwal Das, Stanislau Herasimenka, Meijun Lu, Dong Xu,

Stuart Bowden, Steve Hegedus and Robert Birmkire

INTERFACE ISSUES IN HIT SOLAR CELLS FABRICATED BY HWCVD TECHNIQUE 75

- Shahaji More, Palak Ambwani, Rahul Tapariya, Alka Kumbhar, Pravin Naryanker

and R.O. Dusane

EFFECT OF P-GETTERING ON ELECTRICAL PROPERTIES AND CARRIER LIFETIME 77

IMPROVEMENT OF LARGE N-TYPE MULTICRYSTALLINE SILICON INGOT

- P. Supajariyawichai, M. Dhamrin, A. Uzum, A.B. Jaballah, T. Saitoh, K. Kamisako

and I Yamaga

REGULATED PRE-TREATMENT OF SURFACE TEXTURE FOR LARGE AREA 79

INDUSTRIAL SINGLE CRYSTALLINE SILICON SOLAR CELL USING NAOH-NAOCL

- P. K. Basu, D. Hrishikesh, N. Udayakumar and D.K. Thakur

EXCELLENT ANTIREFLECTION PROPERTIES OF SILICON NANOWIRE ARRAYS 81

FOR SOLAR CELL APPLICATIONS

- Sanjay K. Srivastava, Dinesh Kumar, P.K. Singh, Vikash Agarwal, K.N. Sood, M. Kar,

M. Husain and Vikram Kumar

ELECTROLESS NICKEL PLATING - A COMMERCIAL SOLUTION 83

- Shashi Srivastava, Pinaki Ranjan, Subrata Dutta and Bharat Reddy

PROPERTIES OF HETEROJUNCTION CRYSTALLINE SILICON SOLAR CELLS'

85

WITH A HYDROGENATED NANOCRYSTALLINE CUBIC SILICON CARBIDE

WINDOW LAYER

- Shinsuke Miyajima, Akira Yamada, Makoto Konagai

INDUSTRIAL PROCESS FOR N-TYPE MULTICRYSTALLINE SILICON SOLAR CELLS 87

- Sukhvinder Singh, Frederic Dross, Emmanuel van Kerschaver, Guy Beaucarneand Robert Mertens

OPTIMIZATION OF TCO LAYER FOR APPLICATION IN a-Si:H/c-Si 89

HETEROJUNCTION SOLAR CELL

Sung Ju Tark, Min Gu Kang, Joon Sung Lee, Yong Hyun Kim, Won Mok Kim,Jeong Chul Lee, Heejin Lim and Donghwan Kim

COMBINATION OF Sil-XOX:H FILM WITH HYDROGEN PLASMA TREATMENT 91

FOR REAR SIDE PASSIVATION LAYER OF CAST POLY c-Si SOLAR CELLS

- Suttirat Rattanapan, Hiroshi Yamamoto, Shinsuke Miyajima, Takehiko Satoand Makoto Konagai

DESIGNING REAR SURFACE FOR CARRIER TRANSPORT IN ALL BACK CONTACT 93

SILICON HETEROJUNCTION SOLAR CELLS

- U.K. Das, M. Lu, D. Xu, O. Jani, S. Bowden, S. Hegedus and R. W. Birkmire

Contents xxili

CRYSTALLINE FRONT CONTROL OF GROWING MULTICRYSTALLINE SI 95

INGOTS DURING THE DIRECTIONAL SOLIDIFICATION PROCESS

- Y.Y. Teng. J.C. Chen, C.W. Lu, C.Y. Chen, V.V. Kalaev, S.E. Demina

EFFECTS OF ANNEALING ON ELECTRICAL PROPERTIES OF CAST GROWN 97

POLYCRYSTALLINE SILICON

- Yoshio Ohshita, Koji Ftthida, Koji Arafune, Takuo Sasaki and Masafumi Yamaguchi

CHALLENGES OF EVAPORATED SOLID-PHASE-CRYSTALLISED POLY-SI THINFILM 99

SOLAR CELLS ON TEXTURED GLASS

- Zi Ouyang, Oliver Kunz, Michael Wolf, Per Widenborg, Guangyao Jin, Sergey Varlamov

THE INFLUENCE OF SILICON NITRIDE ANNEALING TEMPERATURE ON 101

THE IMPLIED VOC OF CZ SILICON WAFERS

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