Article
Energy & Fuels
Zhaolang Liu, Hao Lin, Taojian Wu, Zilei Wang, Yicong Pang, Genshun Wang, Zhiyang Cui, Qiao Su, Tianbao Yu, Pingqi Gao, Shanglong Peng
Summary: Dopant-free passivating contacts have the potential to be cost-effective and exhibit excellent electrical performance. However, their environmental stability is a concern. In this study, a strategy involving the use of thermally evaporated thin metal films as protective layers was proposed to improve the stability and electrical properties of electron-selective contacts. The Ti-modified ESC showed the highest device performance and thermal stability, enabling the development of high-efficiency dopant-free crystalline silicon solar cells.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2023)
Article
Chemistry, Physical
Deokjae Choi, Kwanyong Seo
Summary: This study reports a method for forming dopant-free radial junctions on the surface of n-c-Si microwires using atomic layer deposition, which generates a p(+) inversion layer to enhance the efficiency of solar cells. The fabricated dopant-free radial junction c-Si solar cells exhibit higher power conversion efficiency compared to previously reported similar solar cells, with internal quantum efficiencies exceeding 90% in a specified wavelength range.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Matthew B. Hartenstein, Caleb Stetson, William Nemeth, Vincenzo LaSalvia, Steve P. Harvey, San Theingi, Matthew Page, Chun-Sheng Jiang, Mowafak Al-Jassim, David L. Young, Sumit Agarwal, Paul Stradins
Summary: Utilizing a trap-assisted compensation model, the study explains how polycrystalline Si passivating contacts achieve low leakage current in IBC monocrystalline Si solar cells through dopant compensation between the doped fingers. Analysis of dopant distribution in the isolation region reveals a well-compensated area between the doped fingers, preventing shunting losses. The compensation mechanism widens the compensated region significantly, resulting in a high-resistivity area and low shunt current, as demonstrated by simulations and measurements.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Energy & Fuels
Geoffrey S. Kinsey
Summary: The performance rating of solar cells and modules using a single spectrum (AM1.5) is limited. To address performance variations under different spectra, a study evaluated nine solar cell types using multiple spectra, finding that different types of solar cells exhibit different performances under various spectra.
Article
Energy & Fuels
F-J Haug, C. Ballif
Summary: The study determined the limiting efficiency of monolithic tandem solar cells using crystalline silicon for both the top and bottom cells, showing a significant advantage in terms of voltage and efficiency.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2021)
Article
Materials Science, Multidisciplinary
Wenxian Wang, Lun Cai, Lanxiang Meng, LinKun Zhang, Nuo Chen, Hui Shen, Zongcun Liang
Summary: Dopant-free carrier-selective contacts have attracted attention for efficient c-Si photovoltaics due to their low-temperature simple process and better carrier selectivity. With the incorporation of CeF3 as the electron transport layer, a higher conversion efficiency of 21.27% has been achieved compared to 16.89% without CeF3. Utilizing lanthanide fluorides, including CeF3, offers a good choice for efficient and cost-effective electron-selective contacts for optical-electrical devices.
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS
(2021)
Article
Crystallography
Bilel Abdouli, Lotfi Khezami, Ahlem Guesmi, Aymen Amine Assadi, Mohamed Ben Rabha
Summary: This study investigates the effects of front surface recombination velocities and base thickness on the quantum efficiency of solar cells. It was found that both surface recombination velocities and base widths have a significant impact on the quantum efficiency. The research also confirms the validity of the theoretical calculations through experimental results, showing that solar cells with front-thin porous silicon and rear interdigitated contact exhibit enhanced quantum efficiency compared to reference solar cells. The findings highlight the importance of optimizing surface structures for improving solar cell performance.
Article
Energy & Fuels
Vaibhav V. Kuruganti, Daniel Wurmbrand, Thomas Buck, Sven Seren, Miro Zeman, Olindo Isabella, Fabian Geml, Heiko Plagwitz, Barbara Terheiden, Valentin D. Mihailetchi
Summary: Although interdigitated back contact (IBC) architecture produces the most efficient solar cells, it is challenging to make them cost-effective and industrially viable. Single-sided atmospheric pressure chemical vapor deposition (APCVD) is investigated as a potential method for fabricating IBC solar cells due to its advantages of reducing thermal budget, simplifying wet bench processing, and eliminating the need for an additional masking layer. Experimental results showed that a full APCVD IBC solar cell achieved a high conversion efficiency of 22.8%, comparable to commercially available full-tube diffused ZEBRA (R) IBC solar cells.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2023)
Article
Energy & Fuels
Wenjie Lin, Julie Dreon, Sihua Zhong, Vincent Paratte, Luca Antognini, Jean Cattin, Zongtao Liu, Zongcun Liang, Pingqi Gao, Hui Shen, Christophe Ballif, Mathieu Boccard
Summary: Challenges in fabricating full dopant-free bifacial silicon solar cells are discussed, with efficient devices utilizing MoO3/ITO/Ag and ZnO/LiFx/Al contacts demonstrated. The ZnO/LiFx/Al electron contacts with a thinner ZnO layer and larger contact fraction display better selectivity and lower resistance loss, leading to improved power output. Further improvements are needed to make this technology industry-relevant.
Review
Optics
Terence K. S. Wong, Keyi Pei
Summary: Carrier-selective passivating contacts play a crucial role in efficient electron and hole extraction in crystalline silicon solar cells. This review discusses the principles of carrier extraction and recombination in conventional industrial silicon solar cells. It then reviews passivating contacts based on amorphous hydrogenated silicon and polysilicon/silicon oxide, focusing on carrier selectivity mechanisms. The review also describes recent developments in non-silicon based passivating contacts, such as transition metal oxides, alkali/alkali earth metal fluorides, and organic conjugated polymers, and compares their performance and stability with silicon-based passivating contacts in asymmetric double heterojunction silicon solar cells.
Review
Chemistry, Physical
Michele De Bastiani, Anand S. Subbiah, Maxime Babics, Esma Ugur, Lujia Xu, Jiang Liu, Thomas G. Allen, Erkan Aydin, Stefaan De Wolf
Summary: Perovskite/silicon tandem solar cells are high-efficiency and low-cost photovoltaic devices that enhance stability and energy yield by collecting light from both the sunward and rear side.
Article
Chemistry, Physical
Duy Phong Pham, Junsin Yi
Summary: Polycrystalline silicon/crystalline silicon (poly-Si/c-Si) passivating contacts are an attractive option for improving the efficiency of c-Si-based solar cells. By implementing a simple dopant grading technique in the poly-Si layer, dopant diffusion and defects can be suppressed, leading to significant improvement in passivation quality.
JOURNAL OF POWER SOURCES
(2022)
Article
Thermodynamics
Liu Siyu, Sun Kangwen, Gao Jian, Liang Haoquan
Summary: This paper investigates the optimization of crystalline silicon solar array layout and finds that altering the size and layout of solar modules can significantly improve energy capture efficiency. Larger solar modules should be used in mid-low latitude regions, while smaller modules should be used in high latitude regions.
Review
Energy & Fuels
Tao Song, Charles Mack, Rafell Williams, Daniel J. Friedman, Nikos Kopidakis
Summary: This article discusses the special performance measurement points and methods of perovskite multijunctions, including the measurement of spectral response, spectrum adjustment, and protocols for measuring the power output of the device at STC. It also presents common errors and pitfalls, as well as methods for evaluating data accuracy when a spectrally adjustable solar simulator is not available. Finally, performance measurement methods are recommended for high throughput situations.
Article
Multidisciplinary Sciences
Xin Yu Chin, Deniz Turkay, Julian A. Steele, Saba Tabean, Santhana Eswara, Mounir Mensi, Peter Fiala, Christian M. Wolff, Adriana Paracchino, Kerem Artuk, Daniel Jacobs, Quentin Guesnay, Florent Sahli, Gaelle Andreatta, Mathieu Boccard, Quentin Jeangros, Christophe Ballif
Summary: Silicon solar cells are reaching their efficiency limit of 29%, but this can be surpassed by using advanced device structures. In this study, we created a tandem device with a perovskite layer on top of a silicon bottom cell to enhance the photocurrent. By regulating the perovskite crystallization process and reducing recombination losses, we achieved a certified power conversion efficiency of 31.25% with an active area of 1.17 square centimeters.
Article
Physics, Applied
Xiaoshuang Liu, Junran Zhang, Binjie Xu, Yunhao Lu, Yiqiang Zhang, Rong Wang, Deren Yang, Xiaodong Pi
Summary: The role of dopants on deformation and mechanical properties of 4H silicon carbide (4H-SiC) was investigated using nanoindentation. It was found that different dopants can significantly affect the hardness, elastic modulus, and fracture toughness of 4H-SiC, as well as the formation of dislocations and cracks during nanoindentation. Moreover, polymorph transitions from 4H-SiC to amorphous SiC and 3C-SiC were observed. These findings provide valuable insights for the design of processing methods for differently doped 4H-SiC substrate wafers.
APPLIED PHYSICS LETTERS
(2022)
Article
Physics, Applied
Yuanchao Huang, Rong Wang, Naifu Zhang, Yiqiang Zhang, Deren Yang, Xiaodong Pi
Summary: This study investigates the role of hydrogen in the growth of HPSI 4H-SiC single crystals, revealing that it significantly mitigates N doping while hardly affecting B doping. The study also reveals that adjusting the relative B and N doping concentrations has a substantial impact on the Fermi energy of HPSI 4H-SiC.
JOURNAL OF APPLIED PHYSICS
(2022)
Article
Engineering, Electrical & Electronic
Jie Hu, Houwei Pang, Yuan Wang, Deren Yang, Dongsheng Li
Summary: A long-term reliable Erbium doped light emitting device based on npn heterojunction structure has been developed. The device demonstrates a linear relation between the electroluminescence intensity of Er3+ ions and the operating currents. The device with a 3V onset voltage can operate for over 1200 hours due to the separation and acceleration of electrons that excite Er3+ ions. This npn heterojunction device structure can also be applied to other rare earths like Tm, Eu, etc., which opens up possibilities for electroluminescence of rare earths and integrated silicon photonics.
IEEE ELECTRON DEVICE LETTERS
(2023)
Article
Chemistry, Multidisciplinary
Liang Ji, Sai Luo, Lei Li, Ningkang Qian, Xiao Li, Junjie Li, Jingbo Huang, Xingqiao Wu, Hui Zhang, Deren Yang
Summary: Developing high-performance electrocatalysts for hydrogen evolution reaction in alkaline media is challenging but desirable for water splitting. A wet chemistry method was used to synthesize RuCu nanoflowers with tunable atomic ratios. The Ru3Cu NFs exhibited excellent catalytic properties, requiring only 55 mV for a current density of 10 mA cm(-2) and showing minimal decay after 2000 cycles. The flower-like structure and introduction of Cu improved the HER performance by providing more active sites and modulating the electronic structure of Ru.
NANOSCALE ADVANCES
(2023)
Article
Physics, Applied
Rong Wang, Yuanchao Huang, Deren Yang, Xiaodong Pi
Summary: The widespread application of 4H silicon carbide (4H-SiC) is imminent due to the increasing fabrication of high-power electronics based on 4H-SiC, promoting low-carbon development worldwide. Additionally, researchers are intensively exploring 4H-SiC as a platform for wafer-scale integration of semiconductor and quantum technologies in the field of quantum technologies. Given the significance of impurities and defects in semiconductors, a comprehensive understanding of impurities and defects in 4H-SiC is crucial. This Perspective summarizes recent experimental and theoretical advancements in impurity and defect research in 4H-SiC, along with a brief historical overview. Furthermore, the discussion covers impurity engineering and defect engineering to fully realize the potential of 4H-SiC, followed by an outline of the challenges in studying impurities and defects in 4H-SiC.
APPLIED PHYSICS LETTERS
(2023)
Article
Physics, Applied
Xiaoshuang Liu, Yazhe Wang, Xi Zhang, Yunhao Lu, Rong Wang, Deren Yang, Xiaodong Pi
Summary: We investigated the crack-healing mechanism of 4H silicon carbide (4H-SiC) and found that high-temperature thermal annealing in the air atmosphere effectively heals indentation-induced cracks in undoped 4H-SiC by the formation and viscous flow of SiO2. Nitrogen doping assists the atomic diffusion and crack healing of 4H-SiC, while vanadium doping hinders the healing process. The padding of glassy SiO2 is found to effectively recover the bending strength of indented 4H-SiC samples.
JOURNAL OF APPLIED PHYSICS
(2023)
Article
Engineering, Electrical & Electronic
Lei Yang, Yuxuan Fan, Xiang Lv, Houwei Pang, Shuai Yuan, Xuegong Yu, Dongsheng Li, Deren Yang
Summary: This work investigates the influence of erbium (Er) doping on the SiNxOy/c-Si interface, and found that activated Er3+ ions can result in a higher positive charge density, leading to band bending and deeper depletion regions. Through deep-level transient spectroscopy (DLTS), a higher density of interface states and wider energy distribution were observed in the Er-doped samples. Energy dispersive X-ray spectroscopy (EDX) analysis further supports the interaction between Er impurities and intrinsic defects at the interface.
IEEE TRANSACTIONS ON ELECTRON DEVICES
(2023)
Article
Multidisciplinary Sciences
Shengxuan Wang, Hao Cui, Sijia Jin, Xiaodong Pi, Haiyan He, Chunhui Shou, Deren Yang, Lei Wang
Summary: A new anti-reflection strategy is proposed in this study, using soft nanoimprint lithography to prepare textured structures on the outside of SiNx films. Experimental results show that these textured structures have wide spectrum anti-reflection performance.
Article
Chemistry, Multidisciplinary
Sheng'ou Lu, Hongyu Chen, Wei Hang, Rong Wang, Julong Yuan, Xiaodong Pi, Deren Yang, Xuefeng Han
Summary: The effect of nitrogen doping on dislocation proliferation in SiC crystals was investigated. The thermal field and thermal stress during PVT growth were calculated, and the dislocation density was calculated based on the Alexander-Haasen model. By comparing the calculation and experimental results, a possible value of effective stress was proposed to evaluate the effect of nitrogen doping on dislocation density in n-type SiC.
Article
Chemistry, Multidisciplinary
Ningkang Qian, Degong Ding, Liang Ji, Junjie Li, Hui Zhang, Deren Yang
Summary: In this study, three types of core-shell nanocrystals, Au73Pd27@Pt, Au66Pd34@Pt, and Pd@Pt, were successfully constructed using lattice engineering. The strain effect and ligand effect caused by Au were found to enhance the activity of Pt in the electrocatalytic CO2 reduction reaction (EOR). In situ FTIR studies confirmed that the EOR processes on these nanocrystals were dominated by the C2 pathway, which explained the enhancement of EOR activity by the faster kinetics of the C2 pathway producing acetate or acetaldehyde.
Article
Materials Science, Multidisciplinary
Lin Zhang, Hongjun Li, Yu Yang, Deren Yang, Yuanjing Cui, Guodong Qian
Summary: In this study, a host-guest metal-organic framework (MOF) material was prepared to switch between second-harmonic generation (SHG) and two-photon-pumped (TPP) lasing in a single crystal. The use of specific alignment of nonlinear optical (NLO) building units allowed for the observation of polarized SHG and TPP lasing in a single crystal. These findings contribute to a better understanding of polarized NLO responses in MOFs and provide a new perspective for the development of versatile switching NLO materials.
JOURNAL OF MATERIALS CHEMISTRY C
(2022)
Article
Chemistry, Multidisciplinary
Huabao Shang, Deren Yang, Dongsheng Li
Summary: We prepared high-intensity luminescent films by doping lithium, which enhances the near-infrared and up-conversion luminescence of erbium silicate by regulating the lattice structure. This method could be universally applicable to enhance luminescence in erbium compounds.
Article
Chemistry, Multidisciplinary
Xiao Li, Ningkang Qian, Liang Ji, Xingqiao Wu, Junjie Li, Jingbo Huang, Yucong Yan, Deren Yang, Hui Zhang
Summary: In this study, a novel Ce-doped Bi2O3 nanosheet electrocatalyst was prepared by a facile solvothermal method for efficient electrochemical CO2 reduction to formate. The Ce-doped Bi2O3 nanosheets exhibited high current density and formate faradaic efficiency. Density functional theory calculations revealed that Ce doping promoted the formation and adsorption of the OCHO* intermediate and inhibited the hydrogen evolution reaction, resulting in high current density and efficiency.
NANOSCALE ADVANCES
(2022)
Article
Chemistry, Multidisciplinary
Jingbo Huang, Liang Ji, Xiao Li, Xingqiao Wu, Ningkang Qian, Junjie Li, Yucong Yan, Deren Yang, Hui Zhang
Summary: A seed-mediated approach was developed for the synthesis of PdSn alloy octopods with precisely controlled branches and tunable compositions. These octopod catalysts demonstrated significantly enhanced catalytic activity and stability for ethanol oxidation reaction, providing a promising avenue for the commercialization of direct ethanol fuel cells.
Article
Materials Science, Multidisciplinary
Hailong Wu, Lijia Yao, Wenqian Cao, Yu Yang, Yuanjing Cui, Deren Yang, Guodong Qian
Summary: Lead-halide perovskite nanocrystals (PeNCs) have attractive optical properties, and a host-guest system was constructed by encapsulating PeNCs in a metal-organic framework (MOF) to adjust their properties and enhance their stability and tunability.
JOURNAL OF MATERIALS CHEMISTRY C
(2022)
Article
Energy & Fuels
Shahriyar Safat Dipta, Md Habibur Rahaman, Walia Binte Tarique, Ashraful Hossain Howlader, Ayush Pratik, John A. Stride, Ashraf Uddin
Summary: Implementing a double-sided passivation approach can enhance the performance of n-i-p structured PSCs and improve the stability and photovoltaic properties of the cells.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Daniel Ourinson, Andreas Brand, Andreas Lorenz, Marwan Dhamrin, Sebastian Tepner, Michael Linse, Nathalie Goettlicher, Kosuke Tsuji, Jonas D. Huyeng, Florian Clement
Summary: This work presents two approaches to reduce the amount of silver on the rear side of M2-sized industrial iTOPCon solar cells. The Cu-based approach shows promise with similar power conversion efficiency compared to the conventional approach, while the Al-based approach exhibits some limitations but demonstrates the potential of such type of contact for iTOPCon solar cells.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Abasifreke Ebong, Donald Intal, Sandra Huneycutt, Thad Druffel, Ruvini Dharmadasa, Kevin Elmer, Apolo Nambo
Summary: This study demonstrates the successful metallization of a PERC silicon solar cell using screen-printable copper (Cu) paste. The Cu paste contains antioxidant additives and diffusion inhibitors to prevent oxidation and diffusion of Cu. The Cu-printed cells achieved an efficiency of 19% and showed no Cu diffusion after characterization tests. The long-term stability and effectiveness of the Cu diffusion barrier were also confirmed.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Senami Zogbo, Wilfried Favre, Olivier Bonino, Marie-Estelle Gueunier-Farret
Summary: Measuring specific contact resistivity (pc) is crucial for interface engineering in high efficiency solar cells. The Transfer Length Method (TLM) is commonly used for evaluating layer sheet resistance (Rsheet) and pc, but it is not suitable for metal/Transparent Conductive Oxide (TCO) interface evaluation in silicon heterojunction (SHJ) cells. This study investigates the parameters that restrict current confinement within the TCO, including mid-gap trap density (Dit) at the a-Si:H/c-Si interface and the activation energy (Ea = Ec - EF) variation of a-Si:H contact layers.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Jean-Baptiste Charpentier, Philippe Voarino, Julien Gaume
Summary: The phenomenon of ribbon lengthening in PV modules exposed to thermal cycling is not well explained in the literature. In this study, a three layers model is proposed to explain this effect, and the predictions of the model are validated through finite element method simulations and experiments. The results show that the model predictions are consistent with the indirect measurements, but not with the direct measurements. Additionally, it is inferred that the encapsulant plays a role after the solder failure.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Jean-Baptiste Charpentier, Philippe Voarino, Julien Gaume
Summary: This study investigates the problematic ribbon lengthening observed in PV modules exposed to high amplitude thermal cycling. A simplified system model is proposed and accurate predictions are obtained using the Finite Element Method. The results show that the thickness of the encapsulant has a substantial impact on the lengthening of the ribbons.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
S. Catalan-Gomez, E. Martinez Castellano, M. Schwarz, M. Montes Bajo, L. Dorado Vargas, A. Gonzalo, A. Redondo-Cubero, A. Gallego Carro, A. Hierro, J. M. Ulloa
Summary: This study investigates the use of core-shell gallium nanoparticles as functional light scatterers on solar cells. By optimizing the nanoparticle size, the short-circuit current of the solar cells is significantly improved. The underlying physical mechanism is studied through optical measurements and simulations, and a method to reduce the plasmonic effect of the nanoparticles is demonstrated.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
M. Gamel, G. Lopez, A. M. Medrano, A. Jimenez, A. Datas, M. Garin, I. Martin
Summary: In this study, a highly reflective ohmic contact to p-type c-Ge material is demonstrated, which can improve the efficiency of thermophotovoltaic devices. The experimental results show that this contact can simultaneously meet the requirements of good back surface passivation, low electrical resistivity, and high reflectivity. Moreover, simulations suggest that implementing these back contacts has the potential to achieve conversion efficiencies comparable to high-efficiency c-Ge TPV cells.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Hongyang Wei, Qing Xu, Dongchu Chen, Min Chen, Menglei Chang, Xiufang Ye
Summary: This study prepared solar selective absorption films based on anodic aluminum oxide (AAO) photonic crystals using a unique electrodeposition method. The Co-Ag electrodeposited film exhibited superior solar selective absorption properties and thermal stability.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Ankit Kumar, Ankit Chauhan, Jordi Llobet, Helder Fonseca, Patricia C. Sousa, Carlos Calaza, Gil Shalev
Summary: This study found that decorating subwavelength arrays with SiO2 quasi-nanolenses (qNL arrays) can enhance the absorption of the solar spectrum. Optical absorption mechanisms in qNL arrays were investigated using near-field scanning optical microscopy (NSOM), revealing that the enhancement is a result of the combination of effective antireflection coating, increased optical interactions between adjacent dielectrics for elevated light trapping, and strong light concentration due to the presence of qNLs.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
S. Pingel, T. Wenzel, N. Goettlicher, M. Linse, L. Folcarelli, J. Schube, S. Hoffmann, S. Tepner, Y. C. Lau, J. Huyeng, A. Lorenz, F. Clement
Summary: This study demonstrates the potential to reduce silver consumption in highly efficient SHJ cells through fine-line screen printing using low temperature paste with various screens. The results show that using finer mesh allows for narrower grid fingers and lower resistance, leading to improved cell efficiency. Simulation results indicate that module wire configuration is crucial for reducing silver consumption.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Xibo He, Jun Qiu, Wei Wang, Yicheng Hou, Yong Shuai
Summary: This paper proposes a novel phase change material with high thermal conductivity and stability for fast photo-thermal conversion and storage. The experimental results demonstrate excellent durability and stability of the phase change material, with good performance in thermal conductivity and thermal storage efficiency.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Qingyuan Liu, Lin Wang, Zheng Liu, Guohua Liu
Summary: A new evaporating structure consisting of liquid marble with tunable nanowire array is proposed to enhance solar evaporation. The experiments show that the liquid marble with nanowire array exhibits outstanding evaporation performance, which has significant implications for seawater desalination or wastewater treatment.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Hao Liu, Qiming Liu, Jinpei Liu, Yonggang Zhao, Yingjie Yu, Yue An, Ganghui Wei, Yanzheng Li, Yujun Fu, Junshuai Li, Deyan He
Summary: Moisture in the air is identified as the main cause of performance degradation in organic-inorganic hybrid solar cells. Exposure to air leads to the growth of thin oxide layer on the interface and the formation of silver sulfide, increasing the series resistance and decreasing the fill factor, thus degrading the cell performance.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
E. Blanco, P. Martin, M. Dominguez, P. Fernandez-Palacios, I. Lombardero, C. Sanchez-Perez, I. Garcia, C. Algora, M. Gabas
Summary: This study addresses the lack of optical parameters for p-type Ge wafers by determining the complex refractive indices of commercial Ge wafers with varying doping levels. The obtained data successfully reproduces the critical points associated with interband transitions and absorption features below the bandgap. The refractive indices were validated through experimental measurements and solar cell simulations.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
