Solid State Communications最新文献_第7页

Simulation study of cadmium-free CIGS solar cell for efficiency enhancement by minimizing recombination losses through back surface field mechanism 无镉铜铟镓硒太阳能电池模拟研究：通过背表面电场机制最大限度地减少重组损耗以提高效率

IF 2.1 4区物理与天体物理

Solid State Communications Pub Date : 2024-09-12 DOI: 10.1016/j.ssc.2024.115694

Alok Kumar , Sushama M. Giripunje , Alok Kumar Patel , Shivani Gohri

{"title":"Simulation study of cadmium-free CIGS solar cell for efficiency enhancement by minimizing recombination losses through back surface field mechanism","authors":"Alok Kumar , Sushama M. Giripunje , Alok Kumar Patel , Shivani Gohri","doi":"10.1016/j.ssc.2024.115694","DOIUrl":"10.1016/j.ssc.2024.115694","url":null,"abstract":"<div><div>Thin-film photovoltaic cells provide benefits over conventional first-generation technology, including lighter weight, greater flexibility, and lower power generation costs. Chalcogenide solar cells offer good efficiency and technological maturity among thin-film technology. In this work, a solar cell device structure, Al/FTO/SnS<sub>2</sub>/CIGS/CuO/Ni, is examined using SCAPS-1D. Further, by incorporating the back surface field (BSF) layer, the conversion efficiency increased from 18.93 % to 29.88 %, followed by V<sub>OC</sub> of 0.96 V, J<sub>SC</sub> of 37.07 mA cm<sup>−2</sup>, and FF of 83.71 %. This increment in device performance is owing to the lowering back surface recombination velocity and the additional hole tunnelling activity offered by the BSF layer by forming a quasi-ohmic contact, i.e. metal-semiconductor contact with negligible junction resistance relative to the total resistance of the device. Throughout this research work, the authors studied several factors such as surface recombination velocity, temperature impact, front and back contact metal work functions, parasitic resistance impact, gallium proportion, and doping density impact on CIGS solar cells. The work also included a calibration with experimental data from published sources to validate the simulation results.</div><div>This paper presents a new approach for producing high-efficiency, eco-friendly CIGS solar cells with CuO back surface field mechanism.</div></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"394 ","pages":"Article 115694"},"PeriodicalIF":2.1,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142326485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The stability, electronic and optical properties of nonmetal doped g-GaN: A first-principles calculation 非金属掺杂 g-GaN 的稳定性、电子和光学特性：第一原理计算

IF 2.1 4区物理与天体物理

Solid State Communications Pub Date : 2024-09-12 DOI: 10.1016/j.ssc.2024.115695

Aiyu Yang, Wenjing Hu

{"title":"The stability, electronic and optical properties of nonmetal doped g-GaN: A first-principles calculation","authors":"Aiyu Yang, Wenjing Hu","doi":"10.1016/j.ssc.2024.115695","DOIUrl":"10.1016/j.ssc.2024.115695","url":null,"abstract":"<div><p>Doping is an effective strategy to modulate the electronic performance of materials by forming new chemical bonds and relaxing the neighboring bonds, which may change catalytic performance of materials. Herein, we demonstrate the effects of a series of nonmetal (NM) dopants on the electronic properties and photocatalytic activity of g-GaN monolayer using first-principle calculations. NM dopants prefer to substitute N atom under Ga-rich condition. C, O and F doped specimens are highly stable under both Ga-rich and N-rich conditions. NM dopants induce the generation of impurity levels, contributing to reduce the electronic transition energies. S, Se and Te doped specimens increase by about 11, 8 and 4 times for absorption intensity in the region of visible light, respectively. Remarkably, S, Cl, Se, Br, Te and I dopants can effectively decrease the recombination rate of photogenerated electrons and holes of the g-GaN in photocatalytic reaction. H, B, C Si, P and As doped system can induce more active sites. Remarkably, halogen dopants could increase the both redox and reduction ability of g-GaN monolayer. Thus, NM dopants can effectively tune redox potential of g-GaN monolayer and improve its photocatalytic performance.</p></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"394 ","pages":"Article 115695"},"PeriodicalIF":2.1,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142228497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of magnetic field on the Bose–Einstein condensation of quantum well exciton–polaritons 磁场对量子阱激子-极化子玻色-爱因斯坦凝聚的影响

IF 2.1 4区物理与天体物理

Solid State Communications Pub Date : 2024-09-11 DOI: 10.1016/j.ssc.2024.115690

Nguyen Dung Chinh , Le Tri Dat , Vinh N.T. Pham , T.D. Anh-Tai , Vo Quoc Phong , Nguyen Duy Vy

引用次数: 0

First-principles study on the stability and optoelectronic properties of the novel C6O2 nanostructure 新型 C6O2 纳米结构稳定性和光电特性的第一性原理研究

IF 2.1 4区物理与天体物理

Solid State Communications Pub Date : 2024-09-11 DOI: 10.1016/j.ssc.2024.115693

Shirin Amirian , Hamidreza Alborznia , Shahram Yalameha

{"title":"First-principles study on the stability and optoelectronic properties of the novel C6O2 nanostructure","authors":"Shirin Amirian , Hamidreza Alborznia , Shahram Yalameha","doi":"10.1016/j.ssc.2024.115693","DOIUrl":"10.1016/j.ssc.2024.115693","url":null,"abstract":"<div><p>This study presents the prediction of a novel 2D nanostructure, C<sub>6</sub>O<sub>2</sub>, characterized as a direct bandgap semiconductor with a rectangular atomic arrangement. Employing computational codes based on density functional theory (DFT), we optimized the lattice parameters, yielding (a = 6.26 Å and b = 2.43 Å). Stability analysis, including cohesive energy (with a value of −7.85 eV/atom) and phonon dispersion within the first Brillouin zone, confirms the acceptable stability of the C<sub>6</sub>O<sub>2</sub> structure. Electronic properties in the ground state were investigated using both HSE06 and GGA approaches. Our results indicate that the predicted structure exhibits a direct bandgap with energy values of 0.108 eV (PBE), 0.11 eV (mBJ), and 0.415 eV (HSE06) at the M point. Furthermore, we explored the optical properties of this nanostructure using the HSE06 approach. Notably, the ground state exhibits moderate absorption across the visible light spectrum (around 3–5 eV) and a low reflection rate. These findings suggest that C<sub>6</sub>O<sub>2</sub> holds promise for future experimental endeavors in designing electro-optical applications.</p></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"394 ","pages":"Article 115693"},"PeriodicalIF":2.1,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142232566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Rapid NO conversion with an enhanced Sm+3-TiO2 photocatalyst 利用增强型 Sm+3-TiO2 光催化剂快速转化氮氧化物

IF 2.1 4区物理与天体物理

Solid State Communications Pub Date : 2024-09-08 DOI: 10.1016/j.ssc.2024.115692

A. Alviz-Meza , X. Sierra-González , A. Martínez-de la Cruz , J.A. Colina-Marquez

{"title":"Rapid NO conversion with an enhanced Sm+3-TiO2 photocatalyst","authors":"A. Alviz-Meza , X. Sierra-González , A. Martínez-de la Cruz , J.A. Colina-Marquez","doi":"10.1016/j.ssc.2024.115692","DOIUrl":"10.1016/j.ssc.2024.115692","url":null,"abstract":"<div><p>Nitrogen oxides (NO<sub>x</sub>) are known for having a significant greenhouse effect and provoking several health issues. Because of that, it is necessary to find an effective manner to remove them from polluted air. In this study, samarium-doped titania was synthesized via sol-gel using two different synthesis routes and varying the calcination temperature and the Sm<sup>3+</sup> content. The main difference between the two syntheses was the pH solution. The acidic pH favored the presence of the anatase crystalline phase, the most photoactive and interesting for photocatalytic applications. Furthermore, these catalysts were evaluated in a lab-scale UV photoreactor following the NO conversion via chemiluminescence, according to the ISO standard 22197–1. The Sm content positively affected the NO removal. The highest NO conversion was 92 %, with the doped titania obtained at a calcination temperature of 500 °C and with 0.5 % wt. of samarium. This result was congruent with the reported literature's energy bandgap estimated (2.98 eV).</p></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"394 ","pages":"Article 115692"},"PeriodicalIF":2.1,"publicationDate":"2024-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0038109824002692/pdfft?md5=4729f0cd182f3b6f8fe65a64b3a8a495&pid=1-s2.0-S0038109824002692-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142163913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

New method for constructing phase diagrams in 2D centered tetragonal Ising nanoparticles using the cellular automata approach 利用细胞自动机方法构建二维中心四边形伊辛纳米粒子相图的新方法

IF 2.1 4区物理与天体物理

Solid State Communications Pub Date : 2024-09-07 DOI: 10.1016/j.ssc.2024.115691

Somayeh Hemmati, Mehrdad Ghaemi

引用次数: 0

The compatible design of wave controlling metamaterial with multi-layers 多层控波超材料的兼容设计

IF 2.1 4区物理与天体物理

Solid State Communications Pub Date : 2024-09-05 DOI: 10.1016/j.ssc.2024.115684

Z. Zhang, J.Y. Chen, J.C. Guo, J.R. Li

{"title":"The compatible design of wave controlling metamaterial with multi-layers","authors":"Z. Zhang, J.Y. Chen, J.C. Guo, J.R. Li","doi":"10.1016/j.ssc.2024.115684","DOIUrl":"10.1016/j.ssc.2024.115684","url":null,"abstract":"<div><p>A new multi-layers phononic crystal (PnCs) with outer and inner supporting beams is designed to show how the different layers affect the band gap (BG) formations and the corresponding frequency ranges. The BG structures of the designed PnCs revealed that the natural frequencies of the different layers should be compatible for the BG formations although weak interface/support is generally recognized to lead to wide band gaps (BGs). The excessive long supporting beam can reduce the natural frequencies of the current layer leading to incompatibility for the formation of BGs. This can cause the decrease of BG and even disappearance of BG in PnCs. The formed BG frequencies are highly relevant to both the material property (<em>E</em>/<em>ρ</em>) and the geometrical properties (<em>I</em>/<em>S</em> and <em>l</em>). The change of the vibration mode from one layer to another is the key for the opening of the new BGs in the designed PnCs. The increase of <em>E</em>/<em>ρ</em> can lead to the increase of the BG frequencies. This is the reason that the use of non-metals in PnCs can lead to the obvious decrease of BG frequencies in comparison with PnCs with metals.</p></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"394 ","pages":"Article 115684"},"PeriodicalIF":2.1,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142150818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Structural, electronic, and phonon properties of Gallium Sulfide (GaS) 硫化镓（GaS）的结构、电子和声子特性

IF 2.1 4区物理与天体物理

Solid State Communications Pub Date : 2024-09-03 DOI: 10.1016/j.ssc.2024.115683

Nguyen Thi Han, Nguyen Thi Thuy, Dam Nhan Ba

引用次数: 0

Tuning electronic and thermoelectric properties of armchair graphene nanoribbon in the presence of electron phonon coupling 在电子声子耦合作用下调谐扶手石墨烯纳米带的电子和热电特性

IF 2.1 4区物理与天体物理

Solid State Communications Pub Date : 2024-09-03 DOI: 10.1016/j.ssc.2024.115682

T. Kakavandi, H. Rezania

{"title":"Tuning electronic and thermoelectric properties of armchair graphene nanoribbon in the presence of electron phonon coupling","authors":"T. Kakavandi, H. Rezania","doi":"10.1016/j.ssc.2024.115682","DOIUrl":"10.1016/j.ssc.2024.115682","url":null,"abstract":"<div><p>Electronic and thermoelectric properties of armchair graphene nanoribbon taking into account the effects of interaction between electrons and Einstein phonons have been addressed. Specially we study the temperature dependence of thermal conductivity, density of states and specific heat of the structure. The effects of electron phonon coupling strength on thermal conductivity and thermoelectric electronic of the system have been studied. Green’s function method has been implemented to obtain electronic properties of the system in the context of Holstein Hamiltonian. One loop electronic self-energy of the Hamiltonian has been obtained in order to find interacting electronic Green’s function. The transport and thermoelectric properties of armchair graphene nanoribbon in the presence of electron phonon coupling can be readily found using interacting Green’s function based on Kubo formula. We find numerical results for chemical potential dependence of thermal conductivity and thermoelectric properties in the presence of Holstein phonons. Specially the behaviors of Seebeck coefficient, power factor function, figure of merit and Lorenz number of the system have been analyzed. Our results show turning on electron phonon coupling leads to reduction of band gap in density of states of the armchair nanoribbon.</p></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"394 ","pages":"Article 115682"},"PeriodicalIF":2.1,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142150819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Unveiling the energy driven potential Sc-based double perovskite through comprehensive DFT screening on physical, optoelectronic and transport characteristic of Sr2ScAsO6 compound 通过对 Sr2ScAsO6 化合物的物理、光电和传输特性进行全面的 DFT 筛选，揭示能量驱动的 Sc 基双包晶石潜力

IF 2.1 4区物理与天体物理

Solid State Communications Pub Date : 2024-09-02 DOI: 10.1016/j.ssc.2024.115676

Sushil Kumar Singh , Jisha Annie Abraham , Anshuman Srivastava , K.L. Meena , Rafa Almeer , Mumtaz Manzoor , Ramesh Sharma

{"title":"Unveiling the energy driven potential Sc-based double perovskite through comprehensive DFT screening on physical, optoelectronic and transport characteristic of Sr2ScAsO6 compound","authors":"Sushil Kumar Singh , Jisha Annie Abraham , Anshuman Srivastava , K.L. Meena , Rafa Almeer , Mumtaz Manzoor , Ramesh Sharma","doi":"10.1016/j.ssc.2024.115676","DOIUrl":"10.1016/j.ssc.2024.115676","url":null,"abstract":"<div><p>Recently, double perovskites have been emerged as promising candidates due to their enthralling electronic as well as thermoelectric properties. In our present investigation, we have made a systematic effort to evaluate the optical properties along with elastic, mechanical and thermoelectric properties of Sr<sub>2</sub>ScAsO<sub>6</sub> using DFT tactics as implemented with WIEN2k code. The exchange - correlation potential has been treated with various approximations like LDA, PBE-GGA, WC-GGA and PBE-sol GGA. The formation energy, cohesive energy and tolerance factor have been computed for the studied double perovskite to confirm its thermodynamic as well as structural stability in the cubic phase. The ductility as well as brittleness of the compound have been checked by evaluating the <span><math><mrow><mi>B</mi><mo>/</mo><msub><mi>G</mi><mi>H</mi></msub></mrow></math></span> and Poisson's ratios. The value of band gap is found to be 2.147 eV with PBE-GGA + TB-mBJ method, which is the accurate mode of band gap computations. The spin-orbit coupling effect and its exclusion were considered during the calculations. The temperature and pressure dependency of thermodynamic properties have been studied with the aid of modified-Gibbs2 model. The thermoelectric behaviour of the studied double perovskite has been explored and found to hold a power factor of 12.2 × 10<sup>12</sup> W m<sup>−1</sup> K<sup>−2</sup> s<sup>−1</sup> at 1200 K. As these compositions have high room temperature figure of merit values and recorded values of 0.035, they are also suitable for application in thermoelectric devices.</p></div>","PeriodicalId":430,"journal":{"name":"Solid State Communications","volume":"394 ","pages":"Article 115676"},"PeriodicalIF":2.1,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142150817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0