Korean Journal of Chemical Engineering最新文献_第5页

Recent Advances in Transfer Printing of Colloidal Quantum Dots for High-Resolution Full Color Displays 用于高分辨率全彩显示屏的胶体量子点转移印刷的最新进展

IF 2.9 4区工程技术

Korean Journal of Chemical Engineering Pub Date : 2024-10-16 DOI: 10.1007/s11814-024-00301-3

Yunho Kim, Jiwoong Yang, Moon Kee Choi

{"title":"Recent Advances in Transfer Printing of Colloidal Quantum Dots for High-Resolution Full Color Displays","authors":"Yunho Kim, Jiwoong Yang, Moon Kee Choi","doi":"10.1007/s11814-024-00301-3","DOIUrl":"10.1007/s11814-024-00301-3","url":null,"abstract":"<div><p>Quantum dots (QDs) have garnered significant attention in the advanced optoelectronic devices due to their unique luminescent properties, including size-tunable emission, high photoluminescence efficiency, exceptional chromatic purity, and superior photostability. To achieve based high-definition full-color displays, it is critical to develop a precise patterning process capable of accurately depositing red, green, and blue QD subpixels at desired locations with high resolution. Among various patterning techniques, transfer printing has emerged as a promising method for achieving high-definition pixels while preventing cross-contamination between different colored subpixels. This technique involves transferring QD patterns to a target substrate using an elastomeric stamp. This review provides a comprehensive overview of the latest research trends in three types of transfer printing processes: additive-transfer printing, subtractive-transfer printing, and intaglio-transfer printing. We examine the strengths and limitations of each technique and showcase key applications in QD light-emitting diodes that utilize transfer-printed QDs.</p></div>","PeriodicalId":684,"journal":{"name":"Korean Journal of Chemical Engineering","volume":"41 13","pages":"3469 - 3482"},"PeriodicalIF":2.9,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142636867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synthesis of Cu-Supported ZSM-5/UiO-66 Composite Catalysts for Efficient Degradation of Methylene Blue cu负载ZSM-5/UiO-66复合催化剂高效降解亚甲基蓝的合成

IF 2.9 4区工程技术

Korean Journal of Chemical Engineering Pub Date : 2024-10-14 DOI: 10.1007/s11814-024-00307-x

Jie Zhang, Fan Wu, Lin Xu, Rui Wen, Xu Zhang, Wei Xiong, Bai He, Songshan Jiang, Huan Yi

{"title":"Synthesis of Cu-Supported ZSM-5/UiO-66 Composite Catalysts for Efficient Degradation of Methylene Blue","authors":"Jie Zhang, Fan Wu, Lin Xu, Rui Wen, Xu Zhang, Wei Xiong, Bai He, Songshan Jiang, Huan Yi","doi":"10.1007/s11814-024-00307-x","DOIUrl":"10.1007/s11814-024-00307-x","url":null,"abstract":"<div><p>Cu-supported composite catalysts consisting of metal–organic frameworks (UiO-66) and ZSM-5 zeolite (Cu/ZSM-5/UiO-66, Cu–ZSM-5/UiO-66, and (Cu/ZSM-5)/UiO-66, respectively) were synthesized for the efficient catalytic wet peroxide oxidation (CWPO) of methylene blue (MB) wastewater. The Cu-active components were introduced by using incipient wetness impregnation method and one-step hydrothermal synthesis method. The composite catalysts were characterized by SEM, EDS mapping, XRD, and FT-IR. The catalytic activity can be affected by the ZSM-5 loading ratio and the Cu introduction method. Results indicated that the Cu/ZSM-5/UiO-66 composite catalysts exhibited the best catalytic activity for the CWPO degradation of MB wastewater (<i>X</i><sub>MB</sub> = 100%, <i>X</i><sub>H2O2</sub> = 89%) compared with Cu–ZSM-5/UiO-66 catalysts (<i>X</i><sub>MB</sub> = 89%, <i>X</i><sub>H2O2</sub> = 25%) and (Cu/ZSM-5)/UiO-66 (<i>X</i><sub>MB</sub> = 90%, <i>X</i><sub>H2O2</sub> = 29%) which confirmed the controllable activity of the catalysts. No Cu leaching concentration was detected in the treated wastewater over the Cu–ZSM-5/UiO-66 and (Cu/ZSM-5)/UiO-66 catalysts which indicated the enhanced stability of the Cu species in the composite catalysts. The supported Cu composite catalysts showed good catalytic activity and high stability for the CWPO of MB wastewater which have potential application in dye wastewater treatment.</p></div>","PeriodicalId":684,"journal":{"name":"Korean Journal of Chemical Engineering","volume":"42 2","pages":"415 - 428"},"PeriodicalIF":2.9,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142994469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dynamic Maintenance of Underground Pipelines via a Systematic Approach for Conservative Estimation of Pipeline Defect Probability Density Under Data Scarcity 在数据稀缺的情况下，通过系统方法保守估计管道缺陷概率密度，对地下管道进行动态维护

IF 2.9 4区工程技术

Korean Journal of Chemical Engineering Pub Date : 2024-10-08 DOI: 10.1007/s11814-024-00297-w

Damdae Park, Changsoo Kim, Kyeongsu Kim

{"title":"Dynamic Maintenance of Underground Pipelines via a Systematic Approach for Conservative Estimation of Pipeline Defect Probability Density Under Data Scarcity","authors":"Damdae Park, Changsoo Kim, Kyeongsu Kim","doi":"10.1007/s11814-024-00297-w","DOIUrl":"10.1007/s11814-024-00297-w","url":null,"abstract":"<div><p>The scarcity of the defect data may lead to the underestimation of defects, resulting in maintenance plans with inspection intervals that may not guarantee timely repairs. To address the low reliability of defect distribution models developed from insufficient data, we propose a systematic approach for deriving conservative probability distributions of pipeline defects. Based on the formal definition of conservative probability distributions, we present methods for modeling such distributions for pipeline defects, with the flexibility to adjust the degree of conservativeness. Furthermore, by incorporating Bayesian inference, we introduce a method for dynamic maintenance planning. The method enables effective utilization of the limited defect data samples obtained during pipeline inspection to assess overall pipeline conditions and dynamically determine subsequent maintenance intervals. The simulation results demonstrate that the proposed method can achieve cost-effective and safety-assured pipeline maintenance plans by quantitatively adjusting the degree of conservativeness, making it broadly applicable to various types of pipeline defects.</p></div>","PeriodicalId":684,"journal":{"name":"Korean Journal of Chemical Engineering","volume":"41 12","pages":"3287 - 3297"},"PeriodicalIF":2.9,"publicationDate":"2024-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142452968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Response Surface Methodology (RSM) Design to Optimize the Cathode of Li-Ions Batteries Recycling in Deep Eutectic Solvent and DFT Simulation 深共晶溶剂中锂离子电池回收阴极优化的响应面法设计及DFT模拟

IF 2.9 4区工程技术

Korean Journal of Chemical Engineering Pub Date : 2024-10-08 DOI: 10.1007/s11814-024-00288-x

Saeid Karimi, Leila Mafton-Azad, Bahram Behnajady, Burak Tüzün

{"title":"Response Surface Methodology (RSM) Design to Optimize the Cathode of Li-Ions Batteries Recycling in Deep Eutectic Solvent and DFT Simulation","authors":"Saeid Karimi, Leila Mafton-Azad, Bahram Behnajady, Burak Tüzün","doi":"10.1007/s11814-024-00288-x","DOIUrl":"10.1007/s11814-024-00288-x","url":null,"abstract":"<div><p>In this study, the dissolution of a cathode of Li-ion batteries (CLIB) in a deep eutectic solvent (DES) composed of choline chloride (ChCl) and glucose (G) was investigated using the response surface methodology (RSM) experimental design. The temperature ranged from 45 to 105 °C, time from 2 to 26 h, agitation from 250 to 850 rpm, and DES/CLIB ratio from 20 to 100 g/g. According to the analysis of variance (ANOVA), temperature had the most significant impact on the dissolution of all elements (Ni, Co, Mn, and Li). In contrast, agitation had no significant effect on metal recovery. Under optimal conditions, including a temperature of 93 °C, a time of 20 h, an agitation of 550 rpm, and a DES/CLIB ratio of 80 g/g, the efficiencies of Ni, Co, Mn, and Li were 85.7%, 90.1%, 89.6%, and 93.2%, respectively, which matched well with the modeling results. This paper presents a comprehensive DFT investigation at the B3LYP/6-31G(d) level of theory on the behavior of transition metal cations in the presence of ChCl and G. Findings elucidate the preference of specific cations for particular ligands, the stability of complex formations, and the crucial role of ligands in electron transfer processes.</p></div>","PeriodicalId":684,"journal":{"name":"Korean Journal of Chemical Engineering","volume":"42 2","pages":"361 - 381"},"PeriodicalIF":2.9,"publicationDate":"2024-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142994776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Impact of Magnetized Modified Water on the Dissolution Behavior of Raw Gypsum 磁化改性水对生石膏溶解行为的影响

IF 2.9 4区工程技术

Korean Journal of Chemical Engineering Pub Date : 2024-10-07 DOI: 10.1007/s11814-024-00293-0

Liqin Li, Ruiduo Li, Xin Zhao, Yubin Wang, Dashi Lei

{"title":"Impact of Magnetized Modified Water on the Dissolution Behavior of Raw Gypsum","authors":"Liqin Li, Ruiduo Li, Xin Zhao, Yubin Wang, Dashi Lei","doi":"10.1007/s11814-024-00293-0","DOIUrl":"10.1007/s11814-024-00293-0","url":null,"abstract":"<div><p>Magnetized modified water could significantly affect the dissolution and crystallization process of raw gypsum, while the mechanism was still unclear. In this work, the enhancement mechanism of raw gypsum solubility by magnetized modified water was first systemically investigated. Viscosity, surface tension analysis, scanning electron microscope (SEM), Fourier transform infrared (FT-IR) spectroscopy, and X-ray photoelectron spectroscopy (XPS) exhibited that magnetization treatment could significantly change the properties of distilled water and the microstructure of raw gypsum. Magnetization treatment reduced the surface tension and viscosity of distilled water and increased the proportion of hydrophilic hydroxyl group in distilled water, which promoted the molecular affinity between water molecules and raw gypsum, resulting in an enhanced affinity between Ca<sup>2+</sup> ions and water molecules at the active site of raw gypsum surface. In addition, an applied magnetic field leaded to a decreased crystallinity and an increase in the (020) interplanar spacing of raw gypsum, which was conducive to contact with water, and finally enhanced the solubility of raw gypsum by 65.50%. This study can provide a theoretical basis for the use of magnetized modified water to regulate the dissolution behavior of raw gypsum.</p></div>","PeriodicalId":684,"journal":{"name":"Korean Journal of Chemical Engineering","volume":"42 2","pages":"403 - 413"},"PeriodicalIF":2.9,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142994393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Highly Electrocatalytic Activity of Micro and Nanocomposite Phase Engineering of MoO3−x@K3PW12O40 Decorated on Graphite Felt for High-Performance VRFB 用于高性能 VRFB 的石墨毡装饰 MoO3-x@K3PW12O40 微纳米复合相工程的高电催化活性

IF 2.9 4区工程技术

Korean Journal of Chemical Engineering Pub Date : 2024-10-05 DOI: 10.1007/s11814-024-00292-1

Nadra Nasir, Kue-Ho Kim, Ha-Na Jang, Hyo-Jin Ahn

{"title":"Highly Electrocatalytic Activity of Micro and Nanocomposite Phase Engineering of MoO3−x@K3PW12O40 Decorated on Graphite Felt for High-Performance VRFB","authors":"Nadra Nasir, Kue-Ho Kim, Ha-Na Jang, Hyo-Jin Ahn","doi":"10.1007/s11814-024-00292-1","DOIUrl":"10.1007/s11814-024-00292-1","url":null,"abstract":"<div><p>The catalytic activity of metal cations exchanged with heteropoly acids (HPA) and the selectivity towards precursor composite materials can be tailored by adjusting the reaction mechanism. A structural defect engineering strategy was developed for the metallic phase of O-MoS<sub>2</sub>, doped with a Keggin-type HPA to serve as a double gyroid layer (O-MoS<sub>2</sub>@HPA). This was achieved through thermal oxidation treatment to enable a high surface area by depositing abundant catalytically active sites on the graphite felt. Optimization strategies involving MoO<sub>3−<i>x</i></sub> (MoO<sub>3−<i>x</i></sub>@K<sub>3</sub>PW<sub>12</sub>O<sub>40</sub>) species have been crafted, anchoring active sites in a spherical nanomorphology through the self-assembly of acid. This development introduces a new approach for enhancing electrocatalysts, aiming for superior performance in VRFB. The electrochemical results show remarkable enhancement in electrocatalytic behavior with abundant heteroatom active sites, promoting oxidation at a high current density of 150 mA/cm<sup>2</sup>, achieving an outstanding 84.62% high energy efficiency. This result is 14% higher than pristine graphite felt and exhibits extraordinary stability after 1350 cycles, overcoming the sluggish kinetic mechanism that limits redox active materials. This study creates new avenues for the design of hybrid micro/nanostructured materials on cathodes and anodes to achieve excellent performance as electrocatalysts for VRFB.</p></div>","PeriodicalId":684,"journal":{"name":"Korean Journal of Chemical Engineering","volume":"41 12","pages":"3179 - 3190"},"PeriodicalIF":2.9,"publicationDate":"2024-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142453037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

How to Apply Raman Spectroscopy for Single Crystals and Thin Films of Organic–Inorganic Lead Halide Perovskite 如何应用拉曼光谱研究有机-无机卤化铅钙钛矿的单晶和薄膜

IF 2.9 4区工程技术

Korean Journal of Chemical Engineering Pub Date : 2024-10-05 DOI: 10.1007/s11814-024-00296-x

Hyeon Jun Jeong, Hyunjung Shin

{"title":"How to Apply Raman Spectroscopy for Single Crystals and Thin Films of Organic–Inorganic Lead Halide Perovskite","authors":"Hyeon Jun Jeong, Hyunjung Shin","doi":"10.1007/s11814-024-00296-x","DOIUrl":"10.1007/s11814-024-00296-x","url":null,"abstract":"<div><p>Organic–inorganic lead halide perovskite (OLHP) semiconductors have garnered significant attention for their versatile applications in solar cells, LEDs, photodetectors, and transistors, owing to their remarkable optoelectronic properties and facile solution-based fabrication. Understanding the fundamental physicochemical properties of OLHPs remains challenging due to their soft lattice structures and dynamic structural vibrations with molecular motions. It often results in extraordinary charge transporting and energy transfer, which can be found in many devices. Raman spectroscopy emerges as a vital tool for probing these structural properties due to its high resolution and non-destructive nature. This paper reviews Raman spectral analysis for OLHPs, highlighting the complexities in interpreting low and high-frequency vibrational modes associated with PbX₆ octahedra and organic/molecular cations, respectively. We identify the challenges posed by laser-induced degradation and phase transitions during resonance Raman measurements. Our study proposes improved Raman measurement strategies, emphasizing non-resonance conditions and careful selection of laser wavelengths to mitigate artifacts. These strategies aim to enhance the accuracy of Raman spectra and deepen our understanding of the structural dynamics of OLHPs, which is crucial for advancing their application in next-generation optoelectronic devices.</p></div>","PeriodicalId":684,"journal":{"name":"Korean Journal of Chemical Engineering","volume":"41 14","pages":"3693 - 3701"},"PeriodicalIF":2.9,"publicationDate":"2024-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142798344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Polyethyleneimine-Assisted SnO2 Electron Transport Layers for Roll-to-Roll Processed Perovskite Solar Cells 用于卷对卷加工钙钛矿太阳能电池的聚乙烯亚胺辅助SnO2电子传输层

IF 2.9 4区工程技术

Korean Journal of Chemical Engineering Pub Date : 2024-10-04 DOI: 10.1007/s11814-024-00298-9

Geon Yeong Park, Jeongin Lim, Hyuntae Choi, Min Kim, Seulki Song, Dong Seok Ham

{"title":"Polyethyleneimine-Assisted SnO2 Electron Transport Layers for Roll-to-Roll Processed Perovskite Solar Cells","authors":"Geon Yeong Park, Jeongin Lim, Hyuntae Choi, Min Kim, Seulki Song, Dong Seok Ham","doi":"10.1007/s11814-024-00298-9","DOIUrl":"10.1007/s11814-024-00298-9","url":null,"abstract":"<div><p>Perovskite solar cells (PSCs) have garnered significant attention as promising candidates for the next generation of solar energy-harvesting devices. Despite their impressive efficiency potential, conventional fabrication methods, such as spin-coating, have limitations in terms of scalability for large-scale production. To address this challenge, the roll-to-roll (R2R) process has emerged as a commendable approach for the cost-effective and high-throughput manufacturing of PSCs. In this research article, we propose electron transport layer (ETL) engineering as a strategy to enhance the performance of R2R-processed PSCs. Specifically, we introduce polyethyleneimine (PEI) as a dispersant within the ETL and systematically optimize the PEI concentration to achieve improved uniformity and bandgap control. Through systematic experimentation, we demonstrate that the optimal PEI concentration (1 wt%) leads to a perovskite solar cell with a power conversion efficiency (PCE) of 15.8%. In addition, the solar cell device with the optimized ETL recorded a stable efficiency of 15.8% even in MPPT measurement.</p></div>","PeriodicalId":684,"journal":{"name":"Korean Journal of Chemical Engineering","volume":"41 14","pages":"3805 - 3812"},"PeriodicalIF":2.9,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142798296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Preparation of N-Enriched GO Adsorbents and Their Properties for Selective CO2 Capture 富氮氧化石墨烯吸附剂的制备及其选择性捕集CO2性能研究

IF 2.9 4区工程技术

Korean Journal of Chemical Engineering Pub Date : 2024-10-02 DOI: 10.1007/s11814-024-00274-3

Yasamin Hosseini, Mahsa Najafi, Soodabeh Khalili, Mohsen Jahanshahi, Majid Peyravi

{"title":"Preparation of N-Enriched GO Adsorbents and Their Properties for Selective CO2 Capture","authors":"Yasamin Hosseini, Mahsa Najafi, Soodabeh Khalili, Mohsen Jahanshahi, Majid Peyravi","doi":"10.1007/s11814-024-00274-3","DOIUrl":"10.1007/s11814-024-00274-3","url":null,"abstract":"<div><p>In this work, GO adsorbents were fabricated based on the Hummers’ procedure and further chemically modified with 3-aminopropyl-triethoxysilane (APTS) as primary amino-silane, piperazine (PIP) as a secondary cyclic diamine, and ethanolamine (EA) as primary amine to enhance their CO<sub>2</sub> adsorption/separation properties. The adsorption characteristics of the amine-functionalized adsorbents were assessed at different temperatures and pressures. It was found that the aforementioned functionalities highly influence the physical–chemical and textural properties of the prepared adsorbents. The experimental isotherm data were analyzed by the Sips isotherm equation to describe the CO<sub>2</sub> adsorption isotherm. GO/APTS exhibited the maximum CO<sub>2</sub> adsorption capacity of 43.114 mmol/g, based on the Sips isotherm model at 298 K. Accordingly, GO/APTS showed ideal adsorbed solution theory selectivity (CO<sub>2</sub>/N<sub>2</sub>) of 33.7. The adsorption mechanism of GO and amine-modified GO adsorbents can be described a physico-chemical adsorption, driven by the cooperation between nitrogen functional groups and the filling of micropores. It was found that the CO<sub>2</sub> adsorption capacity for GO/APTS was 2.3 times higher than the sorption capacity for unmodified GO, confirming the contributions of electron-donor amine and methyl groups, the high molecular weight of APTS, and the high surface area of GO/APTS in enhancing CO<sub>2 </sub>adsorption capacity.</p></div>","PeriodicalId":684,"journal":{"name":"Korean Journal of Chemical Engineering","volume":"42 2","pages":"291 - 306"},"PeriodicalIF":2.9,"publicationDate":"2024-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142994339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Highly Dispersed Ligand-Free SnO2 for Inverted Perovskite Solar Cells 倒置钙钛矿太阳能电池的高分散无配体SnO2

IF 2.9 4区工程技术

Korean Journal of Chemical Engineering Pub Date : 2024-09-30 DOI: 10.1007/s11814-024-00289-w

Hee Jung Kim, Geon Woo Yoon, Bonghyun Jo, Hyun Suk Jung

{"title":"Highly Dispersed Ligand-Free SnO2 for Inverted Perovskite Solar Cells","authors":"Hee Jung Kim, Geon Woo Yoon, Bonghyun Jo, Hyun Suk Jung","doi":"10.1007/s11814-024-00289-w","DOIUrl":"10.1007/s11814-024-00289-w","url":null,"abstract":"<div><p>Ligand-free SnO<sub>2</sub> nanoparticles were synthesized via a non-hydrolytic route using benzyl alcohol, resulting in well-crystallized SnO<sub>2</sub> with a size below 20 nm. The dispersibility of these SnO<sub>2</sub> nanoparticles was optimized using Hansen solubility parameters, achieving stable dispersion in a mixed solvent composed of isopropanol and chlorobenzene in a 2:8 volume ratio. The SnO<sub>2</sub> layer was deposited on the perovskite layer via spin-coating, forming a uniform and compact layer with efficient charge transfer properties. Photovoltaic performance analysis revealed that p-i-n perovskite solar cells with SnO<sub>2</sub> electron transport layer achieved a power conversion efficiency of 13.4%, compared to 15.8% for perovskite solar cells with PCBM/ZnO electron transport layer. The lower power conversion efficiency with SnO<sub>2</sub> electron transport layer is attributed to decreased open-circuit voltage (<i>V</i><sub>oc</sub>) due to surface defects. Despite this, the direct deposition of ligand-free SnO<sub>2</sub> thin film using a solution process is significant, and ongoing research aims to further enhance performance.</p></div>","PeriodicalId":684,"journal":{"name":"Korean Journal of Chemical Engineering","volume":"41 14","pages":"3799 - 3804"},"PeriodicalIF":2.9,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142798502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0