Di Yan

N-type polysilicon passivating contacts using ultra-thin PECVD silicon oxynitrides as the interfacial layer

W Chen, J Stuckelberger, W Wang, SP Phang, D Macdonald, Y Wan, D Yan

Journal article  |  2021  |  Solar Energy Materials and Solar Cells

We describe the optimization of an ultra-thin silicon oxynitride (SiOxNy) layer deposited by plasma enhanced chemical vapor deposi..

Morphology, microstructure, and doping behaviour: A comparison between different deposition methods for poly-Si/SiOx passivating contacts

TN Truong, D Yan, CPT Nguyen, T Kho, H Guthrey, J Seidel, M Al-Jassim, A Cuevas, D Macdonald, HT Nguyen

Journal article  |  2021  |  Progress in Photovoltaics: Research and Applications

Crystallographic structures, optoelectronic properties, and nanoscale surface morphologies of ex situ phosphorus-doped polycrystal..

Temperature-dependent performance of silicon solar cells with polysilicon passivating contacts

AH Tuan Le, R Basnet, D Yan, W Chen, N Nandakumar, S Duttagupta, JP Seif, Z Hameiri

Journal article  |  2021  |  Solar Energy Materials and Solar Cells

The temperature coefficient (TC) is a critical figure of merit to accurately evaluate the performance of solar cells at various op..

Boron Spin-On Doping for Poly-Si/SiOxPassivating Contacts

Z Ding, TN Truong, HT Nguyen, D Yan, X Zhang, J Yang, Z Wang, P Zheng, Y Wan, D Macdonald, J Stuckelberger

Journal article  |  2021  |  ACS Applied Energy Materials

Herein, we fabricate and characterize p-type passivating contacts based on industrial intrinsic polycrystalline silicon (poly-Si)/..

Polysilicon passivated junctions: The next technology for silicon solar cells?

Di Yan, Andres Cuevas, Jesus Ibarra Michel, Chun Zhang, Yimao Wan, Xinyu Zhang, James Bullock

Journal article  |  2021  |  JOULE

Despite the maturity of crystalline silicon photovoltaics (c-Si PV), the last 6 years have seen a string of efficiency improvement..

Phosphorus-doped polycrystalline silicon passivating contacts via spin-on doping

Z Ding, D Yan, J Stuckelberger, SP Phang, W Chen, C Samundsett, J Yang, Z Wang, P Zheng, X Zhang, Y Wan, D Macdonald

Journal article  |  2021  |  Solar Energy Materials and Solar Cells

Polycrystalline silicon (poly-Si) passivating contacts are promising technologies to promote the efficiency of silicon solar cells..

Micro-photoluminescence studies of shallow phosphorus diffusions below polysilicon passivating contacts

H Wu, HT Nguyen, D Yan, J Stuckelberger, W Chen, W Wang, D Macdonald

Journal article  |  2020  |  Solar Energy Materials and Solar Cells

Micro-photoluminescence spectroscopy is applied in this work to characterise the shallow phosphorus diffusions occurring below pol..

Long-term stability study of the passivation quality of polysilicon-based passivation layers for silicon solar cells

D Kang, HC Sio, D Yan, W Chen, J Yang, J Jin, X Zhang, D Macdonald

Journal article  |  2020  |  Solar Energy Materials and Solar Cells

We investigate the stability of the effective lifetime τeff and the recombination current density parameter J0 in n-type silicon s..

Deposition pressure dependent structural and optoelectronic properties of ex-situ boron-doped poly-Si/SiOx passivating contacts based on sputtered silicon

TN Truong, D Yan, W Chen, W Wang, H Guthrey, M Al-Jassim, A Cuevas, D Macdonald, HT Nguyen

Journal article  |  2020  |  Solar Energy Materials and Solar Cells

Among common methods to form polycrystalline silicon (poly-Si) films for passivating-contact solar cells, physical vapor depositio..

Influence of PECVD Deposition Power and Pressure on Phosphorus-Doped Polysilicon Passivating Contacts

W Chen, J Stuckelberger, W Wang, SP Phang, D Kang, C Samundsett, D MacDonald, A Cuevas, L Zhou, Y Wan, D Yan

Journal article  |  2020  |  IEEE Journal of Photovoltaics

Passivating contacts for silicon solar cells can be fabricated by depositing a layer of intrinsic amorphous silicon (a-Si) by the ..