D-Index & Metrics Best Publications

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Chemistry D-index 54 Citations 8,537 304 World Ranking 9104 National Ranking 700

Overview

What is he best known for?

The fields of study he is best known for:

  • Organic chemistry
  • Oxygen
  • Ion

Hiroshi Segawa mostly deals with Perovskite, Porphyrin, Photochemistry, Optoelectronics and Nanotechnology. His Perovskite research is multidisciplinary, incorporating perspectives in Chemical physics, Iodide, Hybrid solar cell, Hysteresis and Halide. His study in Porphyrin is interdisciplinary in nature, drawing from both Crystallography and J-aggregate.

Hiroshi Segawa has researched Photochemistry in several fields, including Ruthenium, Polymer chemistry, Polymer, Absorption and Aqueous solution. In Optoelectronics, Hiroshi Segawa works on issues like Phase transition, which are connected to Phase, Refractive index and Electronic band structure. His Nanotechnology research incorporates elements of Solar cell, Polymer solar cell, Dye-sensitized solar cell, Photocurrent and Electrode.

His most cited work include:

  • Small photocarrier effective masses featuring ambipolar transport in methylammonium lead iodide perovskite: A density functional analysis (432 citations)
  • Substituent-control exciton in J-aggregates of protonated water-insoluble porphyrins. (173 citations)
  • Wideband dye-sensitized solar cells employing a phosphine-coordinated ruthenium sensitizer (164 citations)

What are the main themes of his work throughout his whole career to date?

The scientist’s investigation covers issues in Perovskite, Photochemistry, Optoelectronics, Porphyrin and Chemical engineering. His studies in Perovskite integrate themes in fields like Layer, Inorganic chemistry, Halide and Tin. As a part of the same scientific family, Hiroshi Segawa mostly works in the field of Photochemistry, focusing on Dye-sensitized solar cell and, on occasion, Nanotechnology.

His is doing research in Quantum dot, Solar cell, Energy conversion efficiency and Polymer solar cell, both of which are found in Optoelectronics. Hiroshi Segawa interconnects Crystallography, Phosphorus and Molecule in the investigation of issues within Porphyrin. His work in Chemical engineering covers topics such as Polymer which are related to areas like Molecular wire and Polymer chemistry.

He most often published in these fields:

  • Perovskite (28.06%)
  • Photochemistry (24.84%)
  • Optoelectronics (23.23%)

What were the highlights of his more recent work (between 2018-2021)?

  • Perovskite (28.06%)
  • Chemical engineering (17.74%)
  • Optoelectronics (23.23%)

In recent papers he was focusing on the following fields of study:

Hiroshi Segawa spends much of his time researching Perovskite, Chemical engineering, Optoelectronics, Tin and Quantum dot. His Perovskite research includes themes of Layer, Solar cell, Ion and Band gap. Hiroshi Segawa has included themes like Dye-sensitized solar cell, Titanium oxide, Photoelectric conversion and Wideband in his Solar cell study.

Hiroshi Segawa combines subjects such as Amorphous solid, Halide, Hole transport layer and Polymer with his study of Chemical engineering. In his research on the topic of Optoelectronics, Direct current, Electrical impedance and Constant current is strongly related with Diffusion capacitance. His work deals with themes such as Iodide, Solvent and Reducing agent, which intersect with Tin.

Between 2018 and 2021, his most popular works were:

  • Efficient and stable tin perovskite solar cells enabled by amorphous-polycrystalline structure. (30 citations)
  • Strain Relaxation and Light Management in Tin–Lead Perovskite Solar Cells to Achieve High Efficiencies (25 citations)
  • Highly Reproducible and Efficient FASnI3 Perovskite Solar Cells Fabricated with Volatilizable Reducing Solvent. (21 citations)

In his most recent research, the most cited papers focused on:

  • Organic chemistry
  • Oxygen
  • Ion

Perovskite, Chemical engineering, Tin, Optoelectronics and Layer are his primary areas of study. The study incorporates disciplines such as Amorphous solid, Solar cell, Extraction and Polymer in addition to Perovskite. Within one scientific family, Hiroshi Segawa focuses on topics pertaining to Halide under Chemical engineering, and may sometimes address concerns connected to Formic acid.

His Tin research focuses on Iodide and how it connects with Trap density, Ion and Nanostructure. As part of his studies on Optoelectronics, Hiroshi Segawa frequently links adjacent subjects like Equivalent series resistance. His Layer study combines topics from a wide range of disciplines, such as Buffer, Mesoporous material and Titanium oxide.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

Small photocarrier effective masses featuring ambipolar transport in methylammonium lead iodide perovskite: A density functional analysis

Giacomo Giorgi;Jun-Ichi Fujisawa;Jun-Ichi Fujisawa;Hiroshi Segawa;Koichi Yamashita.
Journal of Physical Chemistry Letters (2013)

716 Citations

Substituent-control exciton in J-aggregates of protonated water-insoluble porphyrins.

Shinsuke Okada;Hiroshi Segawa.
Journal of the American Chemical Society (2003)

255 Citations

Wideband dye-sensitized solar cells employing a phosphine-coordinated ruthenium sensitizer

Takumi Kinoshita;Joanne Ting Dy;Satoshi Uchida;Takaya Kubo.
Nature Photonics (2013)

235 Citations

Tunable Photonic Band Gap Crystals Based on a Liquid Crystal-Infiltrated Inverse Opal Structure

Shoichi Kubo;Zhong Ze Gu;Kazuyuki Takahashi;Akira Fujishima.
Journal of the American Chemical Society (2004)

216 Citations

Hysteresis-free perovskite solar cells made of potassium-doped organometal halide perovskite

Zeguo Tang;Takeru Bessho;Fumiyasu Awai;Takumi Kinoshita.
Scientific Reports (2017)

213 Citations

Cation Role in Structural and Electronic Properties of 3D Organic–Inorganic Halide Perovskites: A DFT Analysis

Giacomo Giorgi;Jun Ichi Fujisawa;Jun Ichi Fujisawa;Hiroshi Segawa;Koichi Yamashita.
Journal of Physical Chemistry C (2014)

172 Citations

PbS-Quantum-Dot-Based Heterojunction Solar Cells Utilizing ZnO Nanowires for High External Quantum Efficiency in the Near-Infrared Region

Haibin Wang;Takaya Kubo;Jotaro Nakazaki;Takumi Kinoshita.
Journal of Physical Chemistry Letters (2013)

155 Citations

Material challenges for solar cells in the twenty-first century: directions in emerging technologies

Samy Almosni;Amaury Delamarre;Zacharie Jehl;Daniel Suchet.
Science and Technology of Advanced Materials (2018)

148 Citations

Efficiency Enhancement of PbS Quantum Dot/ZnO Nanowire Bulk-Heterojunction Solar Cells by Plasmonic Silver Nanocubes.

Tokuhisa Kawawaki;Haibin Wang;Takaya Kubo;Koichiro Saito.
ACS Nano (2015)

139 Citations

Synthesis of novel porphyrin arrays directly-linked through the meso-carbons

Kimihiro Susumu;Takeo Shimidzu;Kazuyoshi Tanaka;Hiroshi Segawa;Hiroshi Segawa.
Tetrahedron Letters (1996)

128 Citations

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