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Advanced Nanomaterials for Perovskite Solar Cells and Optoelectronic Devices

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

Deadline for manuscript submissions: closed (30 April 2026) | Viewed by 1322

Special Issue Editor


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Guest Editor
Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
Interests: nanostructured photonic and functional materials for advanced optoelectronic and photovoltaic applications; interfacial engineering; nano-texturing; polymer doping strategies to enhance the efficiency; durability; quantum functionality of perovskite and hybrid materials; nanoscale thermal and mechanical characterization; quantum-confined optoelectronics; scanning probe-based metrology

Special Issue Information

Dear Colleagues,

This Special Issue aims to highlight recent progress in the development, characterization, and application of advanced nanomaterials that enhance the performance, stability, and functionality of perovskite solar cells and optoelectronic devices. As perovskite-based technologies evolve rapidly, the strategic integration of nanomaterials has become key to addressing challenges such as limited durability, charge transport inefficiencies, and environmental sensitivity.

We welcome original research articles, reviews, and short communications covering, but not limited to, the following topics:

  1. Design and synthesis of nanomaterials tailored for perovskite applications;
  2. Interface and defect engineering using nanostructured components;
  3. Strategies for improving long-term operational stability via nanomaterials;
  4. Nanomaterial-based electron/hole transport layers and electrode modifications;
  5. Innovative fabrication techniques involving nanomaterial–perovskite hybrids;
  6. Advanced characterization of perovskite–nanomaterial interactions;
  7. Computational and theoretical studies guiding nanomaterial integration;
  8. Applications in optoelectronics beyond photovoltaics, such as LEDs, lasers, and photodetectors.

This Special Issue aims to serve as a comprehensive platform for interdisciplinary dialogue and innovation at the intersection of materials science, nanotechnology, and energy/optoelectronic device engineering.

Dr. Ziang Xie
Guest Editor

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • perovskite solar cells
  • nanomaterials engineering
  • interface and defect passivation
  • charge transport layers
  • stability enhancement

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Published Papers (1 paper)

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Research

17 pages, 5432 KB  
Article
Chemical Compatibility of n-Type Dopants for SWCNT Cathodes in Inverted Perovskite Solar Cells
by Achmad Syarif Hidayat, Naoki Ueoka, Hisayoshi Oshima, Yoshimasa Hijikata and Yutaka Matsuo
Nanomaterials 2026, 16(1), 64; https://doi.org/10.3390/nano16010064 - 1 Jan 2026
Viewed by 1059
Abstract
The advancement of efficient and stable perovskite solar cells (PSCs) increasingly depends on developing flexible, metal-free electrode architectures. Single-walled carbon nanotubes (SWCNTs) offer chemical robustness, high conductivity, and mechanical flexibility, making them promising candidates to replace brittle metal cathodes. However, pristine SWCNTs are [...] Read more.
The advancement of efficient and stable perovskite solar cells (PSCs) increasingly depends on developing flexible, metal-free electrode architectures. Single-walled carbon nanotubes (SWCNTs) offer chemical robustness, high conductivity, and mechanical flexibility, making them promising candidates to replace brittle metal cathodes. However, pristine SWCNTs are intrinsically p-type, creating energy barriers and recombination losses in inverted (p–i–n) PSCs. Achieving stable n-type doping compatible with both SWCNTs and perovskites is therefore critical. Here, seven representative n-type dopants, small molecules (TBD and TPP), ionic salts (TBAI, TBABr, and B18C6·KCl), and polymers (PEI and PVP) were systematically investigated to elucidate their effects on doping efficiency and interfacial stability. Morphological, structural, and electronic analyses supported by DFT calculations reveal that strong bases and ionic dopants promote perovskite degradation, whereas polymeric and coordination-type dopants preserve crystallinity and surface uniformity. Among them, PEI- and TPP-doped SWCNT electrodes achieved the best device performance, with power conversion efficiencies of 9.6% and 8.1%, respectively, demonstrating efficient electron extraction and interfacial stability. These findings highlight that interfacial chemical compatibility rather than intrinsic donor strength governs the effectiveness of n-type SWCNT doping, providing rational design principles for stable, metal-free perovskite photovoltaics. Full article
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