4.8 Article

Dual Functional Dopant-Free Contacts with Titanium Protecting Layer: Boosting Stability while Balancing Electron Transport and Recombination Losses

相关参考文献

注意:仅列出部分参考文献,下载原文获取全部文献信息。
Article Multidisciplinary Sciences

Perovskite solar cells with atomically coherent interlayers on SnO2 electrodes

Hanul Min et al.

Summary: By introducing an interlayer between the electron-transporting and perovskite layers in perovskite solar cells, researchers have successfully enhanced charge extraction and transport from the perovskite, leading to higher power conversion efficiency and fewer interfacial defects. The coherent interlayer allowed the fabrication of devices with a certified efficiency of 25.5%, which maintained about 90% of its initial efficiency even after continuous light exposure for 500 hours. The findings provide guidelines for designing defect-minimizing interfaces in metal halide perovskites and electron-transporting layers.

NATURE (2021)

Article Energy & Fuels

A silicon carbide-based highly transparent passivating contact for crystalline silicon solar cells approaching efficiencies of 24%

Malte Koehler et al.

Summary: Researchers have developed a passivating contact based on a double layer of nanocrystalline silicon carbide that combines high conductivity, excellent surface passivation, and high optical transparency for silicon solar cells. This contact design results in improved short-circuit current density, fill factor, and efficiency, while avoiding the need for additional hydrogenation or high-temperature post-deposition annealing steps, offering pathways towards conversion efficiencies of 26%.

NATURE ENERGY (2021)

Article Energy & Fuels

Design rules for high-efficiency both-sides-contacted silicon solar cells with balanced charge carrier transport and recombination losses

Armin Richter et al.

Summary: Front- and back-junction silicon photovoltaics dominate the market due to lower manufacturing complexity, but achieving efficiency improvements remains challenging. An optimized design by Richter et al. has led to a 26.0%-efficient cell. While interdigitated back-contact cells offer the highest efficiency, both-sides-contacted cells are preferred in industrial production for their simplicity.

NATURE ENERGY (2021)

Article Chemistry, Physical

Transparent-conductive-oxide-free front contacts for high-efficiency silicon heterojunction solar cells

Shenghao Li et al.

Summary: In this study, TCO layers are substituted by utilizing lateral conduction of c-Si absorber in SHJ solar cells, achieving a TCO-free design with low series resistivity and good fill factor. Suppressing metal diffusion into a-Si:H layer through ozone treatment at the a-Si:H/metal interface improves passivation quality without increasing contact resistivity, enabling SHJ solar cells with TCO-free front contacts to achieve efficiencies exceeding 22%.
Article Chemistry, Physical

MoOx work function, interface structure, and thermal stability analysis of ITO/MoOx/a-Si(i) stacks for hole-selective silicon heterojunction solar cells

Mallem Kumar et al.

Summary: This study thoroughly investigated the work function and thermal stability of MoOx, as well as its impact on the performance of MoOx SHJ solar cells. The results show that MoOx is an efficient and convenient alternative emitter material for Si solar cells. Optimized processing parameters for MoOx pave the way for more efficient SHJ solar cells.

APPLIED SURFACE SCIENCE (2021)

Article Energy & Fuels

Performance Limitations and Analysis of Silicon Heterojunction Solar Cells Using Ultra-Thin MoOx Hole-Selective Contacts

Julie Dreon et al.

Summary: The study found that the optimal efficiency is achieved with a MoOx layer thickness of 4 nm, outperforming thicker layers. However, MoOx films thinner than 4 nm lead to a loss of passivation and selectivity.

IEEE JOURNAL OF PHOTOVOLTAICS (2021)

Article Chemistry, Multidisciplinary

Charge-carrier dynamics for silicon oxide tunneling junctions mediated by local pinholes

Zhenhai Yang et al.

Summary: This research investigates the dynamics of the core structure of TOPCon, particularly focusing on the formation of pinholes and charge-carrier transport mechanisms in the poly-Si/SiOx/c-Si junction. The study suggests that thermal expansion stress may lead to SiOx film fracture, and reveals that tunneling charge-carrier transport is coupled with direct transport through pinholes. Furthermore, a detailed analysis of current-recombination and efficiency predictions is presented, offering a technical route to achieve device efficiencies of up to 27%.

CELL REPORTS PHYSICAL SCIENCE (2021)

Article Chemistry, Multidisciplinary

Detrimental Effect of Unreacted PbI2 on the Long-Term Stability of Perovskite Solar Cells

Ganbaatar Tumen-Ulzii et al.

ADVANCED MATERIALS (2020)

Article Energy & Fuels

Thermal stability improvement of metal oxide-based contacts for silicon heterojunction solar cells

Jinyoun Cho et al.

SOLAR ENERGY MATERIALS AND SOLAR CELLS (2020)

Article Chemistry, Multidisciplinary

A Highly Conductive Titanium Oxynitride Electron-Selective Contact for Efficient Photovoltaic Devices

Xinbo Yang et al.

ADVANCED MATERIALS (2020)

Review Energy & Fuels

Passivating contacts for crystalline silicon solar cells

Thomas G. Allen et al.

NATURE ENERGY (2019)

Article Chemistry, Physical

Dopant-Free Partial Rear Contacts Enabling 23% Silicon Solar Cells

James Bullock et al.

ADVANCED ENERGY MATERIALS (2019)

Article Chemistry, Physical

Tantalum Nitride Electron-Selective Contact for Crystalline Silicon Solar Cells

Xinbo Yang et al.

ADVANCED ENERGY MATERIALS (2018)

Article Chemistry, Physical

Stable Dopant-Free Asymmetric Heterocontact Silicon Solar Cells with Efficiencies above 20%

James Bullock et al.

ACS ENERGY LETTERS (2018)

Article Chemistry, Multidisciplinary

High-Performance TiO2-Based Electron-Selective Contacts for Crystalline Silicon Solar Cells

Xinbo Yang et al.

ADVANCED MATERIALS (2016)

Article Energy & Fuels

Efficient silicon solar cells with dopant-free asymmetric heterocontacts

James Bullock et al.

NATURE ENERGY (2016)

Article Physics, Applied

Amorphous silicon enhanced metal-insulator-semiconductor contacts for silicon solar cells

J. Bullock et al.

JOURNAL OF APPLIED PHYSICS (2014)

Article Chemistry, Multidisciplinary

Hole Selective MoOx Contact for Silicon Solar Cells

Corsin Battaglia et al.

NANO LETTERS (2014)

Article Energy & Fuels

Reassessment of the Limiting Efficiency for Crystalline Silicon Solar Cells

Armin Richter et al.

IEEE JOURNAL OF PHOTOVOLTAICS (2013)

Review Chemistry, Multidisciplinary

Transition Metal Oxides for Organic Electronics: Energetics, Device Physics and Applications

Jens Meyer et al.

ADVANCED MATERIALS (2012)

Article Energy & Fuels

Low-temperature formation of local Al contacts to a-Si : H-passivated Si wafers

H Plagwitz et al.

PROGRESS IN PHOTOVOLTAICS (2004)