EcoMatPub Date : 2025-03-02DOI: 10.1002/eom2.70005
Farah Hazmatulhaq, Yujun Sheng, Tri Suhartono, Alaa Magdy Saad, Salsabila Salsabila, Bassem Assfour, Wail Al Zoubi, Young Gun Ko
{"title":"Layer-By-Layer Growth of Organic Molecules Controlled by the Defective Inorganic Surface for Enhanced Corrosion Protection and Bioactivity Properties of Magnesium Alloy","authors":"Farah Hazmatulhaq, Yujun Sheng, Tri Suhartono, Alaa Magdy Saad, Salsabila Salsabila, Bassem Assfour, Wail Al Zoubi, Young Gun Ko","doi":"10.1002/eom2.70005","DOIUrl":"https://doi.org/10.1002/eom2.70005","url":null,"abstract":"<p>Although Mg metal offers advantages such as a high strength-to-weight ratio, biocompatibility, low cost, and nontoxicity, fabricating coated Mg with high chemical stability and antibacterial activity remains a formidable challenge. To date, the problems of continuous corrosion caused by uncontrolled Mg electrodeposition and serious interfacial side reactions in aqueous solutions have remarkably slowed down the practical application of metallic Mg. To address these issues, we proposed a combination approach of interface–plasma electrolysis (I-PE) and layer-by-layer (LbL) deposition to fabricate a tannic acid (TA)–MgO hybrid coating on an Mg anode, in which the TA layer served as the blocking layer and porous MgO films had microdefects that triggered physical locking. LbL formation was initiated through the charge-transfer phenomenon between the defective porous surface and TA molecules in the presence of cross-linkers, such as 2,5-diamino-1,3,4-thiadiazole (DAT) and 2-amino-5-mercapto-1,3,4-thiadiazole (AMT), to induce LbL deposition, that is, the consecutive growth of multilayer molecular structures on 2D hybrid organic–inorganic materials. The prepared coating surprisingly exhibited highly exceptional anticorrosion properties (inhibition efficiency ~82% and corrosion rate ~1610 nA/cm<sup>2</sup>) and excellent antibacterial activity, which are attributed to the optimized crosslinking degree and compactness due to the interaction between the TA–AMT composite and the porous MgO film. Density functional theory (DFT) calculations were performed to understand the reaction process between the organic AMT layers and the porous inorganic surface by bonding, adsorption behavior, and energy.</p><p>\u0000 \u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":93174,"journal":{"name":"EcoMat","volume":"7 3","pages":""},"PeriodicalIF":10.7,"publicationDate":"2025-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/eom2.70005","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143530548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EcoMatPub Date : 2025-03-02DOI: 10.1002/eom2.70006
Xudong Mao, James A. Dawson
{"title":"Optimizing Li-Ion Transport in LaCl3−xBrx Solid Electrolytes Through Anion Mixing","authors":"Xudong Mao, James A. Dawson","doi":"10.1002/eom2.70006","DOIUrl":"https://doi.org/10.1002/eom2.70006","url":null,"abstract":"<p>Solid-state batteries based on versatile halide solid electrolytes with outstanding ionic conductivity, electrode compatibility, and stability are attracting significant research attention. Recent experimental studies have illustrated the outstanding performance of LaCl<sub>3</sub> as a solid electrolyte capable of conducting Li ions through its one-dimensional channels that can be interconnected into a three-dimensional network through the creation of La vacancies. In this work, we present a composition optimization strategy for maximizing the Li-ion conductivity in LaCl<sub>3−<i>x</i></sub>Br<sub><i>x</i></sub> solid electrolytes based on density functional theory and ab initio molecular dynamics simulations. Our simulations show LaCl<sub>2.5</sub>Br<sub>0.5</sub> to have a remarkable Li-ion conductivity of 66 mS cm<sup>−1</sup> at 300 K and the lowest activation energy of 0.10 eV, followed by LaCl<sub>0.5</sub>Br<sub>2.5</sub> with values of 14 mS cm<sup>−1</sup> and 0.13 eV, respectively. Both these compositions are predicted to be easily synthesizable, have large band gaps, and are likely to be of experimental interest given their outstanding Li-ion transport properties. Our results highlight the potential for enhanced Li-ion conductivity in LaCl<sub>3−<i>x</i></sub>Br<sub><i>x</i></sub> solid electrolytes that can be achieved through anion mixing.</p><p>\u0000 \u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":93174,"journal":{"name":"EcoMat","volume":"7 3","pages":""},"PeriodicalIF":10.7,"publicationDate":"2025-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/eom2.70006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143530547","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EcoMatPub Date : 2025-02-19DOI: 10.1002/eom2.70003
Chenjing Shang, Yi Chen, Zhuhang Dai, Yaxiaer Yalikun, Lihua Qian, Pooi See Lee, Yang Yang
{"title":"Nanotechnology-Enabled Devices for Ocean Internet of Things","authors":"Chenjing Shang, Yi Chen, Zhuhang Dai, Yaxiaer Yalikun, Lihua Qian, Pooi See Lee, Yang Yang","doi":"10.1002/eom2.70003","DOIUrl":"https://doi.org/10.1002/eom2.70003","url":null,"abstract":"<p>The growing utilization of the Ocean Internet of Things (Ocean IoT) has a significant impact on human society. Recent advances in nanotechnology in terms of developing unprecedented structural, mechanical, electrical, chemical, and photonic properties have led to devices that are expected to promote the sustainable growth of the emerging Ocean IoT. This review provides a system-level analysis of nanotechnology-enabled sensors, actuators, energy harvesting, antifouling coatings, and environmental remediation that have been developed, with a focus on their materials, structures, and manufacturing technologies, as well as their merits and drawbacks. The challenges associated with the ecotoxicity of nanotechnology-derived pollutants in marine ecosystems are also discussed. Finally, potential future research directions are presented for this emerging field.</p>","PeriodicalId":93174,"journal":{"name":"EcoMat","volume":"7 3","pages":""},"PeriodicalIF":10.7,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/eom2.70003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143446857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EcoMatPub Date : 2025-02-19DOI: 10.1002/eom2.70001
Shanshan Gao, Jeong-Ju Bae, Da Seul Lee, Tae-Youl Yang, Seong Sik Shin
{"title":"Toward Sustainable Perovskite Solar Cells: From Lead-Free Materials to Environmental Concerns and Mitigation Strategies","authors":"Shanshan Gao, Jeong-Ju Bae, Da Seul Lee, Tae-Youl Yang, Seong Sik Shin","doi":"10.1002/eom2.70001","DOIUrl":"https://doi.org/10.1002/eom2.70001","url":null,"abstract":"<p>Perovskite solar cells (PSCs) have attracted considerable attention in the field of photovoltaics owing to their high power conversion efficiency (PCE), cost-effective production methods, and versatile applications. However, the widespread use of lead (Pb)-based materials in PSCs poses challenges related to their toxicity and environmental sustainability. This review explores recent advances in the development of Pb-free perovskite materials, such as tin (Sn)-based, germanium (Ge)-based, and other B(IV) and B(III) cation alternatives, while assessing their electronic properties, stability, and performance-enhancing strategies. Additionally, we discuss the use of green solvents and fabrication techniques to minimize their environmental impact. This review aims to guide future research toward safe, efficient, and environmentally sustainable PSC technologies, ensuring that the benefits of solar energy can be harnessed without compromising human health or the environment.</p><p>\u0000 \u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":93174,"journal":{"name":"EcoMat","volume":"7 3","pages":""},"PeriodicalIF":10.7,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/eom2.70001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143446855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EcoMatPub Date : 2025-02-16DOI: 10.1002/eom2.70002
Shadeepa Karunarathne, Chanaka Sandaruwan, Yasun Y. Kannangara, Denisa Demko, François Orange, Alice Mija, Ali Reza Kamai, Amr M. Abdelkader
{"title":"Triphase Heterogeneous Electrocatalysts of Ni and Co for High-Performing Li-O2 Batteries","authors":"Shadeepa Karunarathne, Chanaka Sandaruwan, Yasun Y. Kannangara, Denisa Demko, François Orange, Alice Mija, Ali Reza Kamai, Amr M. Abdelkader","doi":"10.1002/eom2.70002","DOIUrl":"https://doi.org/10.1002/eom2.70002","url":null,"abstract":"<p>The limited energy density of the current Li-ion batteries restricts the electrification of transportation to small- and medium-scale vehicles. On the contrary, Li-O<sub>2</sub> batteries (LOBs), with their significantly higher theoretical energy density, can power heavy-duty transportation, if the sluggish electrode kinetics in these devices can be substantially improved. The use of solid electrocatalysts at the cathode is a viable strategy to address this challenge, but current electrocatalysts fail to provide sufficient discharge depths and cyclability, primarily due to the formation of the film-like discharge product, Li₂O₂, on catalytic sites, which obstructs charge transport and gas diffusion pathways. Here, we report that a triphase heterogeneous catalyst comprising NiCoP, NiCo<sub>2</sub>S<sub>4</sub>, and NiCo<sub>2</sub>O<sub>4</sub>, assembled into a hierarchical hollow architecture (NC-3@Ni), efficiently modulates the morphology and orientation of the discharge product, facilitating the sheet-like growth of Li<sub>2</sub>O<sub>2</sub> perpendicular to the cathode surface. These modifications enable the assembled LOB to deliver a high discharge capacity of 25 162 mAh g<sup>−1</sup> at 400 mA g<sup>−1</sup>, along with impressive cycling performance, achieving 270 cycles with a discharge depth of 1000 mAh g<sup>−1</sup>, exceeding 1350 h of continuous operation. This promising performance is attributed to the presence of individual electrophilic and nucleophilic phases within the heterogeneous microstructure of the triphase catalyst, collectively promoting the formation of sheet-like Li<sub>2</sub>O<sub>2</sub>.</p><p>\u0000 \u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":93174,"journal":{"name":"EcoMat","volume":"7 3","pages":""},"PeriodicalIF":10.7,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/eom2.70002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143423558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EcoMatPub Date : 2025-02-06DOI: 10.1002/eom2.12517
Dogyeong Jeon, Mingyu Sagong, Min Soo Kim, Jong Seok Nam, Heejun Park, Il-Doo Kim
{"title":"Electrospun Carbon Nanofibers for Clean Energy Applications: A Comprehensive Review","authors":"Dogyeong Jeon, Mingyu Sagong, Min Soo Kim, Jong Seok Nam, Heejun Park, Il-Doo Kim","doi":"10.1002/eom2.12517","DOIUrl":"https://doi.org/10.1002/eom2.12517","url":null,"abstract":"<p>The development of clean energy technologies is increasingly dependent on advanced materials capable of enhancing energy storage and conversion efficiencies. Carbon nanofibers (CNFs), known for their unique fibrous morphology, high aspect ratio, high electrical conductivity and specific surface area, particularly with post-treatment, as well as their chemical robustness, have emerged as exceptional candidates for a variety of clean energy applications. This review comprehensively provides the synthesis, structural modification, and surface activity tuning of electrospun CNFs, with a focus on their utilization in energy storage devices such as lithium-metal batteries, lithium-sulfur batteries, lithium-air batteries, and supercapacitors as well as in energy conversion systems, including water splitting, fuel cells, electrochemical CO<sub>2</sub> reduction technologies, and solar thermal-driven water evaporation. The discussion delves into the fabrication methodologies for electrospun CNFs, highlighting the critical role of structural modifications and surface activity tuning in enhancing material performance. Recent progress in the application of CNFs-based nanomaterials for clean energy solutions is presented, demonstrating their potential to significantly advance the efficiency and sustainability of energy-related technologies. Furthermore, this review identifies existing challenges and outlines future research directions, aiming to provide readers with a comprehensive understanding of state-of-the-art CNFs fabrication techniques and their applications in the fields of energy and environmental science. This work serves as a valuable resource for researchers in materials science, nanotechnology, and environmental science, guiding the further development and deployment of CNFs for sustainable energy solutions.</p><p>\u0000 \u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":93174,"journal":{"name":"EcoMat","volume":"7 2","pages":""},"PeriodicalIF":10.7,"publicationDate":"2025-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/eom2.12517","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143362671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EcoMatPub Date : 2025-02-05DOI: 10.1002/eom2.70000
Jie Li, Limin Liu, Yuting Gao, Xiaoliang Zhou, Ming Fang, Jinze Guo, Xiaochong Zhou, Bo Zhang, Chunjiang Jia, Ben Bin Xu, Yinzhu Jiang
{"title":"Ion-Exchange Synthesis of Low-Water Prussian Blue Analogs for Enhanced Sodium Storage","authors":"Jie Li, Limin Liu, Yuting Gao, Xiaoliang Zhou, Ming Fang, Jinze Guo, Xiaochong Zhou, Bo Zhang, Chunjiang Jia, Ben Bin Xu, Yinzhu Jiang","doi":"10.1002/eom2.70000","DOIUrl":"https://doi.org/10.1002/eom2.70000","url":null,"abstract":"<p>Iron hexacyanoferrate (FeHCF) is a promising cathode material for sodium-ion batteries (SIBs) due to its high theoretical capacity and low cost. Nevertheless, water in FeHCF is likely to take up Na<sup>+</sup> sites leading to the reductions in capacity and rate capability. Herein, an ion-exchange method is proposed to synthesize low-water potassium-sodium mixed iron hexacyanoferrate (KNaFeHCF). The ion-exchange method can preserve the lattice structure with low vacancies and K<sup>+</sup> with larger ionic radii can reduce the water content in FeHCF and improve Na<sup>+</sup> reaction kinetics. Compared with the NaFeHCF synthesized by co-precipitation method, the water content of optimal sample KNaFeHCF-12 h can be decreased by 21.2%. The sample exhibits excellent electrochemical performance, with a discharge capacity of 130.33 at 0.1 and 99.49 mAh g<sup>−1</sup> at 30 C. With a full-cell configuration with a hard carbon anode, the discharge capacity reaches 115.3 mAh g<sup>−1</sup> at 0.1 C. This study demonstrates a viable method for producing Prussian blue cathode materials with low water content, high specific capacity, and exceptional cycling stability.</p><p>\u0000 \u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":93174,"journal":{"name":"EcoMat","volume":"7 2","pages":""},"PeriodicalIF":10.7,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/eom2.70000","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143248649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EcoMatPub Date : 2025-01-27DOI: 10.1002/eom2.12518
Tianrui Zheng, Zhengyu Ju, Guihua Yu
{"title":"Liquid Metals for Advanced Batteries: Recent Progress and Future Perspective","authors":"Tianrui Zheng, Zhengyu Ju, Guihua Yu","doi":"10.1002/eom2.12518","DOIUrl":"https://doi.org/10.1002/eom2.12518","url":null,"abstract":"<p>The shift toward sustainable energy has increased the demand for efficient energy storage systems to complement renewable sources like solar and wind. While lithium-ion batteries dominate the market, challenges such as safety concerns and limited energy density drive the search for new solutions. Liquid metals (LMs) have emerged as promising materials for advanced batteries due to their unique properties, including low melting points, high electrical conductivity, tunable surface tension, and strong alloying tendency. Enabled by the unique properties of LMs, four key scientific functions of LMs in batteries are highlighted: active materials, self-healing, interface stabilization, and conductivity enhancement. These applications can improve battery performance, safety, and lifespan. This review also discusses current challenges and future opportunities for using LMs in next-generation energy storage systems.</p><p>\u0000 \u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":93174,"journal":{"name":"EcoMat","volume":"7 2","pages":""},"PeriodicalIF":10.7,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/eom2.12518","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143119893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EcoMatPub Date : 2025-01-07DOI: 10.1002/eom2.12511
Jiajia Suo, Henrik Pettersson, Bowen Yang
{"title":"Sustainable Approaches to Address Lead Toxicity in Halide Perovskite Solar Cells: A Review of Lead Encapsulation and Recycling Solutions","authors":"Jiajia Suo, Henrik Pettersson, Bowen Yang","doi":"10.1002/eom2.12511","DOIUrl":"https://doi.org/10.1002/eom2.12511","url":null,"abstract":"<p>The increasing global concerns about energy shortages and environmental pollution are driving the development of materials for clean energy conversion. Among various materials, lead halide perovskite solar cells (PSCs) have emerged as promising candidates for next-generation photovoltaic (PV) technologies. However, the use of toxic lead in high-efficiency perovskite devices raises sustainability concerns, particularly due to the risk of environmental contamination from lead leakage. Given the projected growth of the perovskite photovoltaic market, effective management of lead toxicity is essential for the safe deployment of this technology. This review explores the latest developments in lead encapsulation strategies, including both external and internal encapsulation materials, aimed at mitigating lead leakage and enhancing the safety and sustainability of perovskite photovoltaics. Additionally, it also discusses various recycling solutions necessary to establish a sustainable closed-loop lead management system. These approaches not only recycle lead but also reclaim other materials, promoting the circular use of resources and advancing the competitiveness of perovskite PV technologies.</p><p>\u0000 \u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":93174,"journal":{"name":"EcoMat","volume":"7 1","pages":""},"PeriodicalIF":10.7,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/eom2.12511","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143112956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EcoMatPub Date : 2024-12-27DOI: 10.1002/eom2.12512
Marina I. Ustinova, Maxim N. Sarychev, Nikita A. Emelianov, Yiqun Li, Yuling Zhuo, Tongjun Zheng, Sergey D. Babenko, Evgeniy D. Tarasov, Pavel P. Kushch, Nadezhda N. Dremova, Galina A. Kichigina, Alexandra V. Rasmetyeva, Andrey I. Kukharenko, Dmitry P. Kiryukhin, Ernst Z. Kurmaev, Xueqing Xu, Pavel A. Troshin, Lyubov A. Frolova, Ivan S. Zhidkov
{"title":"Towards Better Perovskite Absorber Materials: Cu+ Doping Improves Photostability and Radiation Hardness of Complex Lead Halides","authors":"Marina I. Ustinova, Maxim N. Sarychev, Nikita A. Emelianov, Yiqun Li, Yuling Zhuo, Tongjun Zheng, Sergey D. Babenko, Evgeniy D. Tarasov, Pavel P. Kushch, Nadezhda N. Dremova, Galina A. Kichigina, Alexandra V. Rasmetyeva, Andrey I. Kukharenko, Dmitry P. Kiryukhin, Ernst Z. Kurmaev, Xueqing Xu, Pavel A. Troshin, Lyubov A. Frolova, Ivan S. Zhidkov","doi":"10.1002/eom2.12512","DOIUrl":"https://doi.org/10.1002/eom2.12512","url":null,"abstract":"<p>The partial Pb<sup>2+</sup> substitution with Cu<sup>+</sup> ions has been thoroughly applied as an approach to produce new absorber materials with enhanced light and radiation hardness required for potential aerospace applications of perovskite solar cells. X-ray photoelectron spectroscopy revealed that Cu<sup>+</sup> ions are partially integrated into the crystal lattice of MAPbI<sub>3</sub> on the surface of perovskite grains and induce p-doping effect, which is crucial for a range of applications. Importantly, the presence of Cu<sup>+</sup> enhances photostability of perovskite films and blocks the formation of metallic lead as a photolysis product. Furthermore, we have carried out one of the first studies on the radiation hardness of complex lead halides exposed to two different stressors: γ-rays and 8.5 MeV electron beams. The obtained results demonstrate that Cu<sup>+</sup> doping alters completely the radiation-induced degradation pathways of the double cation perovskite. Indeed, while Cs<sub>0.12</sub>FA<sub>0.88</sub>PbI<sub>3</sub> degrades mostly with segregation of δ-phase of FAPbI<sub>3</sub> forming a Cs-rich perovskite phase, the Cs<sub>0.12</sub>FA<sub>0.88</sub>Pb<sub>0.99</sub>Cu<sub>0.01</sub>I<sub>2.99</sub> films tend to expel δ-CsPbI<sub>3</sub> and produce FA-rich perovskite phase, which shows impressive tolerance to both γ-rays and high energy electrons. The beneficial effect of copper ion incorporation on the stability of lead halide perovskite solar cells under light soaking and γ-ray irradiation conditions has been shown. The discovered possibility of controlling the electronic properties and major materials degradation pathways through minor modification of their chemical composition (e.g., replacing 1% of Pb<sup>2+</sup> with Cu<sup>+</sup>) opens up tremendous opportunities for engineering new perovskite absorber compositions with significantly improved properties for both terrestrial and aerospace applications.</p><p>\u0000 \u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":93174,"journal":{"name":"EcoMat","volume":"7 1","pages":""},"PeriodicalIF":10.7,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/eom2.12512","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143119842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}