Juan Pei

ORCID: 0000-0001-7811-9843
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About
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Research Areas
  • Quantum Dots Synthesis And Properties
  • Chalcogenide Semiconductor Thin Films
  • TiO2 Photocatalysis and Solar Cells
  • Perovskite Materials and Applications
  • Advanced Photocatalysis Techniques
  • Lanthanide and Transition Metal Complexes
  • Conducting polymers and applications
  • Magnetism in coordination complexes
  • Transition Metal Oxide Nanomaterials
  • Organic Light-Emitting Diodes Research
  • Crystallization and Solubility Studies
  • Crystallography and molecular interactions
  • Crystal structures of chemical compounds
  • X-ray Diffraction in Crystallography
  • Metal-Organic Frameworks: Synthesis and Applications
  • Supercapacitor Materials and Fabrication
  • Advancements in Battery Materials
  • Organic Electronics and Photovoltaics
  • Luminescence and Fluorescent Materials
  • solar cell performance optimization
  • Gas Sensing Nanomaterials and Sensors
  • ZnO doping and properties
  • Molecular Junctions and Nanostructures
  • Silicon and Solar Cell Technologies
  • Ammonia Synthesis and Nitrogen Reduction

Hebei University of Science and Technology
2014-2025

Nankai University
2005-2025

Shijiazhuang University
2018

TED University
2013

North China University of Science and Technology
2013

Sichuan University
2010-2012

Hebei University
2012

Beijing University of Chemical Technology
2012

Beijing National Laboratory for Molecular Sciences
2010

State Key Laboratory for Structural Chemistry of Unstable and Stable Species
2010

We report on the application of a poly(methyl acrylate)/poly(ethylene glycol)-based polymer gel electrolyte and triphenylamine-based metal-free organic dyes in quasi-solid-state dye-sensitized solar cells. The glycol) hybrid is beneficial to entrapment large volume liquid electrolyte. At 25 °C, ionic conductivity triiodide diffusion constant as-prepared are 2.1 mS cm−1 2.3 × 10−6 cm2 s−1, respectively. cell sensitized by attains an overall energy conversion efficiency 5.76% at light...

10.1021/am9000375 article EN ACS Applied Materials & Interfaces 2009-04-13

We evaluate an efficient semiconductor-sensitized solar cell (SSC) based on the poly(3-hexylthiophene) (P3HT)@CdSe@ZnO core−shell nanorod arrays as a photoanode. A simple and low cost electrodeposition method was applied whole preparation process. It has been demonstrated that coating vertical CdSe@ZnO with P3HT to form p−n heterojunctions largely improves photovoltaic performance of SSCs, exhibiting energy conversion efficiency 0.88%.

10.1021/jp911263d article EN The Journal of Physical Chemistry C 2010-04-20

Films of Ni1−x Pt x (x=0, 0.02, 0.04, 0.06, and 0.08) have been prepared on fluorine-doped tin oxide-coated (FTO) glass substrates by a chemical plating method used as the photocathode for dye-sensitized solar cells (DSCs). The Ni0.94Pt0.06 film consisted nanoparticles with size 4–6 nm loading 5.13 μg/cm2. exhibited high catalytic performance toward triiodide reduction, light reflectance, low charge-transfer resistance. DSC assembled gave short-circuit photocurrent density (J sc) 16.79...

10.1007/s12274-009-9044-5 article EN cc-by-nc Nano Research 2009-06-01

Asymmetric supercapacitors (ASCs) have garnered significant attention as efficient and practical energy storage devices due to their high density ultralong lifespan. The performance of the ASC is largely dependent on composition structure electrode materials. This study introduces synthesis a hydrated nickel vanadate (NiV2O6·H2O) nanosheet material evaluates its electrochemical in supercapacitors. Notably, NiV2O6·H2O nanosheets demonstrated specific capacitance 1053.3 F g–1 at 1 A 113.0%...

10.1021/acsanm.4c06379 article EN ACS Applied Nano Materials 2025-01-31

In this paper, a novel solar cell device was fabricated based on poly(3-hexylthiophene) (P3HT) modified CdS@TiO2 shell-core nanorod array as the photoanode. To prepare photoanode, rutile TiO2 arrays were first grown directly fluorine doped transparent conductive glass (FTO) by simple hydrothermal method. Then CdS nanoparticles and thin layer of P3HT deposited onto surface nanorods sequentially through an electrochemical route. It demonstrated that modification with could enhance light...

10.1039/c2ra21545d article EN RSC Advances 2012-11-23

Array of TiO2 dendritic structure with nanotubes was constructed on transparent conductive fluorine-doped tin oxide glass (FTO) titanium potassium oxalate as source. Sb2S3 nanocrystals were successfully deposited the substrate via spin-coating method. Furthermore, TiO2/Sb2S3/P3HT/PEDOT:PSS composite film prepared by successively P3HT and PEDOT:PSS TiO2/Sb2S3. It demonstrated that modification could enhance light absorption in visible region. The champion hybrid solar cell assembled achieved...

10.1088/2053-1591/aac7fc article EN Materials Research Express 2018-05-25
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