2026 Letian Dou: Materials Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Materials Science	63	6031	5837	1538	1437	151	29399

Overview

Letian Dou is affiliated with Purdue University West Lafayette in the United States and has contributed extensively to the fields of Materials Science and Engineering. Their research focuses primarily on Materials Chemistry and Electrical and Electronic Engineering, with significant work in related subfields such as Polymers and Plastics, Atomic and Molecular Physics, and Electronic, Optical and Magnetic Materials.

The scientist's main topics of research include:

Perovskite Materials and Applications
Crystallization and Solubility Studies
X-ray Diffraction in Crystallography
2D Materials and Applications
Quantum Dots Synthesis And Properties
Conducting polymers and applications
Organic Light-Emitting Diodes Research

Letian Dou has published a substantial number of papers, many appearing in prominent journals and specialized databases. Frequent publication venues include:

The Cambridge Structural Database
Journal of the American Chemical Society
Advanced Materials
Nature Communications
Nature Nanotechnology

Several notable recent papers illustrate the breadth of their work:

"Two-dimensional halide perovskite lateral epitaxial heterostructures," 2020, Nature
"Long-range exciton transport and slow annihilation in two-dimensional hybrid perovskites," 2020, Nature Communications
"Near-Infrared Materials: The Turning Point of Organic Photovoltaics," 2021, Advanced Materials
"Suppressing phase disproportionation in quasi-2D perovskite light-emitting diodes," 2023, Nature Communications
"Multifunctional Conjugated Ligand Engineering for Stable and Efficient Perovskite Solar Cells," 2021, Advanced Materials

The scientist often collaborates with other researchers; frequent co-authors include Libai Huang, Kang Wang, Brett M. Savoie, Zitang Wei, and Yao Gao, with collaboration counts ranging from around 30 to 50 joint works per individual.

Best Publications

A polymer tandem solar cell with 10.6% power conversion efficiency

Jingbi You;Letian Dou;Ken Yoshimura;Takehito Kato

3286
Citations
Solution-processed hybrid perovskite photodetectors with high detectivity

Letian Dou;Yang Micheal Yang;Jingbi You;Ziruo Hong

2756
Citations
Tandem polymer solar cells featuring a spectrally matched low-bandgap polymer

Letian Dou;Jingbi You;Jun Yang;Chun Chao Chen

1662
Citations
Controllable self-induced passivation of hybrid lead iodide perovskites toward high performance solar cells.

Qi Chen;Huanping Zhou;Tze-Bin Song;Song Luo

1625
Citations
Atomically thin two-dimensional organic-inorganic hybrid perovskites

Letian Dou;Letian Dou;Andrew B. Wong;Andrew B. Wong;Yi Yu;Yi Yu;Yi Yu;Minliang Lai

1382
Citations
25th Anniversary Article: A Decade of Organic/Polymeric Photovoltaic Research

Letian Dou;Jingbi You;Ziruo Hong;Zheng Xu

1320
Citations
Low-Bandgap Near-IR Conjugated Polymers/Molecules for Organic Electronics

Letian Dou;Yongsheng Liu;Ziruo Hong;Gang Li

1284
Citations
Solution-Phase Synthesis of Cesium Lead Halide Perovskite Nanowires

Dandan Zhang;Samuel W. Eaton;Yi Yu;Letian Dou

1025
Citations
Thermochromic halide perovskite solar cells

Jia Lin;Jia Lin;Jia Lin;Minliang Lai;Letian Dou;Letian Dou;Letian Dou;Christopher S. Kley

859
Citations
Lasing in robust cesium lead halide perovskite nanowires

Samuel W. Eaton;Minliang Lai;Natalie A. Gibson;Natalie A. Gibson;Andrew B. Wong;Andrew B. Wong

820
Citations
Solution-processed small-molecule solar cells: breaking the 10% power conversion efficiency

Yongsheng Liu;Chun-Chao Chen;Ziruo Hong;Jing Gao

672
Citations
Visibly Transparent Polymer Solar Cells Produced by Solution Processing

Chun-Chao Chen;Letian Dou;Rui Zhu;Choong-Heui Chung

623
Citations
Systematic Investigation of Benzodithiophene- and Diketopyrrolopyrrole-Based Low-Bandgap Polymers Designed for Single Junction and Tandem Polymer Solar Cells

Letian Dou;Jing Gao;Eric Richard;Jingbi You

601
Citations
High-performance multiple-donor bulk heterojunction solar cells

Yang (Michael) Yang;Wei Chen;Wei Chen;Letian Dou;Wei-Hsuan Chang

581
Citations
A Selenium‐Substituted Low‐Bandgap Polymer with Versatile Photovoltaic Applications

Letian Dou;Wei-Hsuan Chang;Jing Gao;Chun-Chao Chen

464
Citations
Molecular engineering of organic–inorganic hybrid perovskites quantum wells

Yao Gao;Enzheng Shi;Shibin Deng;Stephen B. Shiring

460
Citations
Two-dimensional halide perovskite lateral epitaxial heterostructures.

Enzheng Shi;Biao Yuan;Stephen B. Shiring;Yao Gao

444
Citations
Bandgap engineering in semiconductor alloy nanomaterials with widely tunable compositions

Cun-Zheng Ning;Cun-Zheng Ning;Letian Dou;Letian Dou;Letian Dou;Peidong Yang;Peidong Yang

436
Citations
Two-dimensional halide perovskite nanomaterials and heterostructures

Enzheng Shi;Yao Gao;Blake P. Finkenauer;Akriti

424
Citations
Metal Oxide Nanoparticles as an Electron‐Transport Layer in High‐Performance and Stable Inverted Polymer Solar Cells

Jingbi You;Chun-Chao Chen;Letian Dou;Seiichiro Murase

411
Citations
Growth and Anion Exchange Conversion of CH3NH3PbX3 Nanorod Arrays for Light-Emitting Diodes.

Andrew Barnabas Wong;Minliang Lai;Samuel Wilson Eaton;Yi Yu

393
Citations