双功能高熵过氧化物 La(Mn0.2Cr0.2Fe0.2Co0.2Ni0.2)O3界面过渡层改性 Cu2Y2O5/CdIn2O4 透明 pn 结，实现光伏增效

IF 5.1 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Ceramics International Pub Date : 2024-12-15 DOI:10.1016/j.ceramint.2024.10.143

Rui Wang , Bo He , Dingwei Wang , Chengyu Jia , Jun Cao , Lei Shi , Jiaqi Pan , Guangtong Hai , Chaorong Li

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引用次数: 0

摘要

通过简单的溶胶-凝胶法制备了一种过氧化物HEO La(Mn0.2Cr0.2Fe0.2Co0.2Ni0.2)O3修饰Cu2Y2O5/CdIn2O4的透明器件。Cu2Y2O5/La(Mn0.2Cr0.2Fe0.2Co0.2Ni0.2)O3/CdIn2O4的透明度高达∼85-90%，光电转换效率明显提高∼2.5×103 倍（PCE ∼1.12%），且在 5 个月内输出稳定。这主要归功于 La（Mn0.2Cr0.2Fe0.2Co0.2Ni0.2）O3 的修饰，以及合适的费米水平和高量子产率。在该体系中，La(Mn0.2Cr0.2Fe0.2Co0.2Ni0.2)O3 固溶体在混合过渡金属电荷补偿和晶格畸变的协同作用下产生额外的载流子注入/驱动，可以改善载流子动力学平衡，实现 PCE 透明度平衡。此外，它还能通过铜空位/间隙氧的协同作用提高 p 型电导率。此外，具有改性稳定性的无机包晶 HEO La(Mn0.2Cr0.2Fe0.2Co0.2Ni0.2)O3有利于实际应用。

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Dual functional high entropy perovskite La(Mn0.2Cr0.2Fe0.2Co0.2Ni0.2)O3 interfacial transition layer modified Cu2Y2O5/CdIn2O4 transparent pn junction towards photovoltaic enhancement

A transparent device in perovskite HEO La(Mn_0.2Cr_0.2Fe_0.2Co_0.2Ni_0.2)O₃ modified Cu₂Y₂O₅/CdIn₂O₄ is prepared via a simple approach of sol-gel method. The Cu₂Y₂O₅/La(Mn_0.2Cr_0.2Fe_0.2Co_0.2Ni_0.2)O₃/CdIn₂O₄ exhibits high transparency of ∼85–90 %, obvious photovoltaic conversion efficiency enhancement of ∼2.5 × 10³-folds (PCE of ∼1.12 %), and stable output in 5-months. This is mainly attributed to the La(Mn_0.2Cr_0.2Fe_0.2Co_0.2Ni_0.2)O₃ modification, as well as the appropriate Fermi level and high quantum yield. In this system, the La(Mn_0.2Cr_0.2Fe_0.2Co_0.2Ni_0.2)O₃ solid solution, with extra carrier injecting/driving from synergism of mixed transition metals charge compensation and lattice distortion, can improve the carrier kinetic equilibrium for PCE-transparency balance. Additionally, it can increase p-type conductivity through the synergism of Cu vacancy/interstitial oxygen. Moreover, the inorganic perovskite HEO La(Mn_0.2Cr_0.2Fe_0.2Co_0.2Ni_0.2)O₃ with modification stability is beneficial for the actual applications.

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来源期刊

Ceramics International 工程技术-材料科学：硅酸盐

CiteScore

9.40

自引率

15.40%

发文量

4558

审稿时长

25 days

期刊介绍： Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.