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Related Concept Videos

P-N junction01:11

P-N junction

A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...

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Related Experiment Video

Updated: Jul 7, 2026

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
08:30

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells

Published on: March 19, 2017

Improved Charge Transport and Device Performance in p-i-n Carbon Electrode Perovskite Solar Cells Using SiC-APTES

Mikhail Pylnev1,2, Ryosuke Nishikubo1,3, Tomoya Nakamura4

  • 1Department of Applied Chemistry, Graduate School of Engineering, The University of Osaka, 2-1 Yamadaoka, Suita, Osaka, Japan.

Small (Weinheim an Der Bergstrasse, Germany)
|July 6, 2026
PubMed
Summary

A novel additive using functionalized silicon carbide nanoparticles improves carbon-based electrodes in perovskite solar cells (PSCs). This enhances power conversion efficiency and stability for low-cost, scalable PSC technology.

Keywords:
3‐aminopropyltriethoxysilane (APTES)carbon paste electrodelead iodide perovskite solar cellsp‐i‐n inverted device structuresilicon carbide

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Last Updated: Jul 7, 2026

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08:30

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Published on: March 19, 2017

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Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance
11:38

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance

Published on: February 27, 2017

Area of Science:

  • Materials Science
  • Renewable Energy

Background:

  • Carbon electrodes are cost-effective for perovskite solar cells (PSCs).
  • Planar p-i-n PSCs face challenges with carbon electrode integration, including poor contact and damage to electron transport layers (ETLs).

Purpose of the Study:

  • To develop a novel additive for carbon pastes (CP) to improve interfacial contact and performance in PSCs.
  • To investigate the use of 3-aminopropyltriethoxysilane (APTES)-functionalized cubic SiC (SiC-APTES) nanoparticles as an ETL-like additive.

Main Methods:

  • Synthesized and characterized SiC-APTES nanoparticles.
  • Incorporated SiC-APTES into carbon pastes (CP).
  • Fabricated planar p-i-n perovskite solar cells using the modified CP and evaluated their performance.

Main Results:

  • SiC-APTES functionalization improved dispersion and rheology of CP, leading to better interfacial contact.
  • Power conversion efficiency (PCE) increased from 14.75% to 18.43%.
  • Reduced series resistance and hysteresis were observed, alongside good ambient operational stability.

Conclusions:

  • SiC-APTES nanoparticles are an effective additive for carbon pastes in PSCs.
  • This strategy enhances performance and stability for low-cost, scalable p-i-n carbon-electrode PSCs.