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View article: Self-aligned laser opening and stencil metallization for silver-free contacts in silicon solar cells
Self-aligned laser opening and stencil metallization for silver-free contacts in silicon solar cells Open
Overreliance on silver in solar cell manufacturing places an immense challenge on sustainability. Terawatt-scale solar energy generation is required within the next few decades, and current attempts to replace silver screen printing are in…
View article: Impact of precursor dosing on the surface passivation of AZO/AlO<sub><i>x</i></sub> stacks formed using atomic layer deposition
Impact of precursor dosing on the surface passivation of AZO/AlO<sub><i>x</i></sub> stacks formed using atomic layer deposition Open
Aluminium-doped ZnO deposited by ALD provides transparency, conductivity, and c-Si passivation for high-efficiency solar cells, reducing the need for indium-based TCOs. Precise Zn/Al control enables passivation with J 0 < 1 fA cm −2 and 74…
View article: Characterisation of SiOX / SiNX Surface Passivation Using Time-of-Flight Elastic Recoil Detection Analysis
Characterisation of SiOX / SiNX Surface Passivation Using Time-of-Flight Elastic Recoil Detection Analysis Open
An accurate description of the distribution of hydrogen at solar cell interfaces is critical for understanding both passivation and degradation phenomena. Time-of-flight elastic recoil detection analysis (ToF-ERDA) has recently been employ…
View article: Ring Defects Associated with Boron–Oxygen‐Related Degradation in p‐Type Silicon Heterojunction Solar Cells
Ring Defects Associated with Boron–Oxygen‐Related Degradation in p‐Type Silicon Heterojunction Solar Cells Open
Silicon heterojunction (SHJ) cell architectures, which have dominated silicon single‐junction efficiency records for the past 10 years, are processed at relatively low temperatures, on the order of ≈250 °C. Recombination‐active oxygen comp…
View article: Hole-Selective SiN<sub><i>x</i></sub> and AlO<sub><i>x</i></sub> Tunnel Nanolayers for Improved Polysilicon Passivating Contacts
Hole-Selective SiN<sub><i>x</i></sub> and AlO<sub><i>x</i></sub> Tunnel Nanolayers for Improved Polysilicon Passivating Contacts Open
A highly efficient hole-selective passivating contact remains the crucial step required to increase the efficiency of polysilicon-based Si solar cells. The future development of solar modules depends on a device structure that can compleme…
View article: Characterization of solar cell passivating contacts using time-of-flight elastic recoil detection analysis
Characterization of solar cell passivating contacts using time-of-flight elastic recoil detection analysis Open
The unambiguous detection of hydrogen in solar cell contact structures is critical to understanding passivation and degradation phenomena. Deuterium is often used to depict the distribution of hydrogen more clearly. However, experimental n…
View article: Cover Image
Cover Image Open
The cover image is based on the Research Article Sustainability evaluations on material consumption for terawatt-scale manufacturing of silicon-based tandem solar cells by Li Wang et al., https://doi.org/10.1002/pip.3687.
View article: Towards a graphene transparent conducting electrode for perovskite/silicon tandem solar cells
Towards a graphene transparent conducting electrode for perovskite/silicon tandem solar cells Open
Indium‐based transparent conducting electrodes (TCEs) are a major limiting factor in perovskite/silicon tandem cell scalability, while also limiting maximum cell efficiencies. In this work, we propose a novel TCE based on electrostatically…
View article: Diversity Matters: The Election of Asian Americans to U.S. State and Federal Legislatures
Diversity Matters: The Election of Asian Americans to U.S. State and Federal Legislatures Open
Despite substantial research on descriptive representation for Blacks and Latinos, we know little about the electoral conditions under which Asian candidates win office. Leveraging a new dataset on Asian American legislators elected from 2…
View article: Sustainability evaluations on material consumption for terawatt‐scale manufacturing of silicon‐based tandem solar cells
Sustainability evaluations on material consumption for terawatt‐scale manufacturing of silicon‐based tandem solar cells Open
High‐efficiency silicon‐based tandem solar cells will likely drive the push towards terawatt (TW) scale PV manufacturing on the pathway to net zero emissions by 2050. In this work, we provide a comprehensive analysis of material consumptio…
View article: Design considerations for the bottom cell in perovskite/silicon tandems: a terawatt scalability perspective
Design considerations for the bottom cell in perovskite/silicon tandems: a terawatt scalability perspective Open
This review details the design considerations for the bottom silicon cell in perovskite/silicon tandems. The review highlights the shift in mindset required when transitioning to the mass production of tandem solar cells.
View article: Probing the interface state densities near band edges from inductively coupled measurements of sheet resistance
Probing the interface state densities near band edges from inductively coupled measurements of sheet resistance Open
In this work, we report a new approach to characterise interface state density (Dit) near the band edges.Interface defect states are known to trap charge carriers via SRH statistics.At dielectric-silicon interfaces charge in the dielectric…
View article: Replication Data for: Diversity Matters: The Election of Asian Americans to U.S. State and Federal Legislatures
Replication Data for: Diversity Matters: The Election of Asian Americans to U.S. State and Federal Legislatures Open
This is really three datasets needed to reproduce the paper's results: (1) State Legislative Elections, 2011-20, (2) U.S. House Elections, 2012-20, (3) 2021 Online Survey.
View article: SiN<sub>x</sub> and AlO<sub>x</sub> Nanolayers in Hole Selective Passivating Contacts for High Efficiency Silicon Solar Cells
SiN<sub>x</sub> and AlO<sub>x</sub> Nanolayers in Hole Selective Passivating Contacts for High Efficiency Silicon Solar Cells Open
The recombination of photogenerated charge carriers at metal-semiconductor interfaces remains a major source of efficiency loss in photovoltaic cells. Here, we present SiNx and AlOx nanolayers as promising interface dielectrics to enable h…
View article: Citizenship in Hard Times: How Ordinary People Respond to Democratic Threat. By Sara Wallace Goodman. New York: Cambridge University Press, 2022. 250p. $99.99 cloth, $29.99 paper.
Citizenship in Hard Times: How Ordinary People Respond to Democratic Threat. By Sara Wallace Goodman. New York: Cambridge University Press, 2022. 250p. $99.99 cloth, $29.99 paper. Open
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View article: On the kinetics of high intensity illuminated annealing of n-type SHJ solar cells: 0.4%abs efficiency gain in one second
On the kinetics of high intensity illuminated annealing of n-type SHJ solar cells: 0.4%abs efficiency gain in one second Open
Silicon heterojunction (SHJ) solar cells are at the forefront of high efficiency industrial solar cell manufacturing. The rapid increase in efficiency compared with passivated emitter and rear cell (PERC) cells has significantly propelled …
View article: Observations of contact resistance in TOPCon and PERC solar cells
Observations of contact resistance in TOPCon and PERC solar cells Open
In this article we investigate the observation of increased contact resistance in both PERC and TOPCon solar cells linked to hydrogen dynamics at the interface. We study the changes in series resistance (RS) as a result of applied forward …
View article: Towards accurate atom scale characterisation of hydrogen passivation of interfaces in TOPCon architectures
Towards accurate atom scale characterisation of hydrogen passivation of interfaces in TOPCon architectures Open
Passivated contact cell architectures have the potential for higher efficiencies than the currently dominant PERC technology. Further development requires greater understanding of the passivation mechanism and potential surface related deg…
View article: Silicon Heterojunction Solar Cells and p‐type Crystalline Silicon Wafers: A Historical Perspective
Silicon Heterojunction Solar Cells and p‐type Crystalline Silicon Wafers: A Historical Perspective Open
The first reports of both boron–oxygen (BO)‐related light‐induced degradation (BO‐LID) and amorphous/crystalline silicon heterojunction (SHJ) solar cell fabrication date back to the early 1970s. However, the complete development of the “mo…
View article: The “Adaptation Paradox” and Citizen Ambiguity over Government Climate Policies: Survey Findings from Bangladesh
The “Adaptation Paradox” and Citizen Ambiguity over Government Climate Policies: Survey Findings from Bangladesh Open
National governments in the world’s most climate-vulnerable nations are using domestically sourced and international funding and expertise. However, local governments are where citizens in many developing countries turn to solve problems. …
View article: Towards High Efficiency Inversion Layer Cells Based on Ion-Charged Dielectrics
Towards High Efficiency Inversion Layer Cells Based on Ion-Charged Dielectrics Open
This work investigates the production and performance of p-type Inversion Layer (IL) Si solar cells, manufactured with an ion-injection technique that produces a highly charged dielectric nanolayer. Ions are applied to the front dielectric…
View article: 0.3% efficiency improvement for n-PERT solar cells with illuminated hydrogenation process
0.3% efficiency improvement for n-PERT solar cells with illuminated hydrogenation process Open
The silicon solar cell market is currently dominated by p-type wafers, due to the popularity of the PERC architecture. However, it is predicted that the market share of silicon solar cells fabricated using n-type wafers will increase rapid…
View article: High-Intensity Illuminated Annealing of Industrial SHJ Solar Cells: A Pilot Study
High-Intensity Illuminated Annealing of Industrial SHJ Solar Cells: A Pilot Study Open
Here, we demonstrate the effectiveness of illuminated annealing using high-intensity light to improve the efficiency of industrial n-type silicon heterojunction (SHJ) solar cells. The application of high intensity laser light during anneal…