James Bullock

Poly-Si passivating contacts prepared via phosphorus spin-on-doping: A comparison between different silicon deposition methods

JI Michel, D Yan, SP Phang, T Zheng, BC Johnson, J Yang, X Zhang, W Chen, Y Wan, T Truong, J Stuckelberger, Y Pan, D Macdonald, J Bullock

Journal article  |  2023  |  Solar Energy Materials and Solar Cells

Polycrystalline silicon-based (poly-Si) passivating contacts are a promising technology for the next generation of high-efficiency..

Gap-Surface Plasmon-Enhanced Photoluminescence of InSe

Ha Young Lee, Damian Nelson, Wei Yan, Kenneth B Crozier, James Bullock, Sejeong Kim

Journal article  |  2023  |  PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS

2D materials, with distinct characteristics compared to their conventional bulk counterparts, have been a popular topic in various..

Stability challenges for the commercialization of perovskite-silicon tandem solar cells

Leiping Duan, Daniel Walter, Nathan Chang, James Bullock, Di Kang, Sieu Pheng Phang, Klaus Weber, Thomas White, Daniel Macdonald, Kylie Catchpole, Heping Shen

Journal article  |  2023  |  NATURE REVIEWS MATERIALS

Driven by the growing dominance of balance of system costs in photovoltaic installations, next-generation solar cell technologies ..

Integration of Black Phosphorus Photoconductors with Lithium Niobate on Insulator Photonics

Shifan Wang, Robert James Chapman, Brett C Johnson, Inna Krasnokutska, Jean-Luc J Tambasco, Kibret Messalea, Alberto Peruzzo, James Bullock

Journal article  |  2022  |  ADVANCED OPTICAL MATERIALS

Photodetectors formed with layered two-dimensional (2D) materials have shown significant potential for integration with photonic c..

Effect of Al Electrodes on Surface Passivation of TiOx Selective Heterocontacts for Si Solar Cells

Wensheng Liang, Parvathala Narangari, Jingnan Tong, Jesus Ibarra Michel, Billy J Murdoch, Hang Cheong Sio, Teng Kho, Felipe Kremer, Stephane Armand, Keith McIntosh, James Bullock, Kean Chern Fong

Journal article  |  2022  |  PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS

This article presents a comprehensive study regarding the impact of the Al electrode on the surface passivation of three TiOx-base..

Twist Angle Effects on the Absorbance, Carrier Lifetime, and Diffusion Properties in Low Dimension Type-II MoS2/WS2 Heterobilayers

Mike Tebyetekerwa, Thien N Truong, Wei Yan, Cheng Tang, Ary Anggara Wibowo, James Bullock, Aijun Du, Cheng Yan, Daniel Macdonald, Hieu T Nguyen

Journal article  |  2022  |  ADVANCED MATERIALS INTERFACES

Atomically thin two-dimensional (2D) transition metal dichalcogenides (TMDs) are promising materials for photovoltaic (PV) applica..

Imaging Current Paths in Silicon Photovoltaic Devices with a Quantum Diamond Microscope

SC Scholten, GJ Abrahams, BC Johnson, AJ Healey, IO Robertson, DA Simpson, A Stacey, S Onoda, T Ohshima, TC Kho, J Ibarra Michel, J Bullock, LCL Hollenberg, J-P Tetienne

Journal article  |  2022  |  PHYSICAL REVIEW APPLIED

Magnetic imaging with nitrogen-vacancy centers in diamond, also known as quantum diamond microscopy, has emerged as a useful techn..

Progress and Future Prospects of Wide-Bandgap Metal-Compound-Based Passivating Contacts for Silicon Solar Cells

Kun Gao, Qunyu Bi, Xinyu Wang, Wenzhu Liu, Chunfang Xing, Kun Li, Dacheng Xu, Zhaojun Su, Cheng Zhang, Jian Yu, Dongdong Li, Baoquan Sun, James Bullock, Xiaohong Zhang, Xinbo Yang

Journal article  |  2022  |  ADVANCED MATERIALS

Advanced doped-silicon-layer-based passivating contacts have boosted the power conversion efficiency (PCE) of single-junction crys..

Silicon solar cells with passivating contacts: Classification and performance

Di Yan, Andres Cuevas, Josua Stuckelberger, Er-Chien Wang, Sieu Pheng Phang, Teng Choon Kho, Jesus Ibarra Michel, Daniel Macdonald, James Bullock

Journal article  |  2022  |  PROGRESS IN PHOTOVOLTAICS

The year 2014 marks the point when silicon solar cells surpassed the 25% efficiency mark. Since then, all devices exceeding this m..

Carrier-selective contacts using metal compounds for crystalline silicon solar cells

Jesus Ibarra Michel, Julie Dreon, Mathieu Boccard, James Bullock, Bart Macco

Journal article  |  2022  |  PROGRESS IN PHOTOVOLTAICS

Solar cells rely on the efficient generation of electrons and holes and the subsequent collection of these photoexcited charge car..