Tuning Interfaces for High-Efficiency Solar Cells: Insights into Nano-Scale Mechanisms and Material Design

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Solar Energy and Solar Cells".

Deadline for manuscript submissions: 28 November 2025 | Viewed by 42

Special Issue Editor


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Guest Editor
Department of Physics and Electronics, Ovidius University of Constanța, 900527 Constanța, Romania
Interests: hybrid materials and interfaces; molecular modeling and computational physics/chemistry; DFT; electronic structures of hybrid organic–inorganic systems; modeling of semiconductor clusters; hybrid organic–inorganic photovoltaics; dye-sensitized solar cells; photocatalytic degradation; molecular magnetism; disordered hybrid organic–inorganic magnets

Special Issue Information

Dear Colleagues,

The efficiency of solar cells is profoundly influenced by the interactions that occur at material interfaces. Understanding the interactions that govern light-harvesting, charge separation and transport, various types of losses, and degradation mechanisms is crucial for the design of high-efficiency photovoltaic devices. The precise engineering of material interfaces has emerged as a critical strategy for optimizing device performance. This Special Issue focuses on the role of interface engineering in advanced solar energy conversion, emphasizing innovative material design at the nano-scale, based on a thorough understanding of intervening fundamental mechanisms.

Articles and review papers are invited to explore the physical, chemical, and electronic properties of interfaces in a wide range of photovoltaic technologies, including perovskite, organic, quantum dot, and nanostructured silicon solar cells. Topics of interest include, but are not limited to, the following:

  • Interface modifications through passivation, doping, or heterostructure engineering;
  • Charge transport and energy alignment at nanomaterial interfaces;
  • Plasmonic and photonic effects at interfaces for improved light absorption and energy harvesting;
  • Advanced characterization techniques for probing interfacial dynamics;
  • Stability and degradation mechanisms related to interfacial phenomena;
  • Computational modeling and simulations to explain and predict charge transport and material interactions.

By bringing together insights from experimental and theoretical studies, this Special Issue aims to foster a deeper understanding of interfacial processes in nanomaterial-based solar cells, ultimately guiding the design of high-efficiency next-generation photovoltaics.

Prof. Dr. Mihai A. Gîrțu
Guest Editor

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Keywords

  • solar cells
  • photovoltaics
  • interface engineering
  • charge transport
  • energy band alignment
  • light harvesting
  • photovoltaic conversion efficiency
  • interface defects
  • device optimization
core concepts and processes materials and structures
  • solar cells
  • photovoltaics
  • interface engineering
  • nano-scale mechanisms
  • material design
  • efficiency enhancement
  • charge transport
  • charge separation
  • recombination losses
  • light harvesting
  • energy conversion
  • nanomaterials
  • thin-film solar cells
  • heterojunctions
  • perovskite solar cells
  • silicon solar cells
  • organic solar cells
  • quantum dots
  • metal oxides
  • 2D materials (graphene, MoS2, etc.)
  • tandem solar cells
interfaces performance and metrics
  • interface defects
  • interface passivation
  • energy band alignment
  • contact resistance
  • interfacial layers
  • electron transport layer
  • hole transport layer
  • surface passivation
  • heterojunction interfaces
  • photovoltaic performance
  • photovoltaic conversion efficiency
  • short-circuit current (Jsc)
  • open-circuit voltage (Voc)
  • fill factor (FF)
  • stability
  • degradation mechanism
  • computational modeling
  • device simulation
  • device optimization

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Published Papers

This special issue is now open for submission.
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