Hakan Usta

6.2k total citations · 3 hit papers
73 papers, 5.5k citations indexed

About

Hakan Usta is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Polymers and Plastics. According to data from OpenAlex, Hakan Usta has authored 73 papers receiving a total of 5.5k indexed citations (citations by other indexed papers that have themselves been cited), including 59 papers in Electrical and Electronic Engineering, 26 papers in Materials Chemistry and 22 papers in Polymers and Plastics. Recurrent topics in Hakan Usta's work include Organic Electronics and Photovoltaics (44 papers), Conducting polymers and applications (22 papers) and Organic Light-Emitting Diodes Research (22 papers). Hakan Usta is often cited by papers focused on Organic Electronics and Photovoltaics (44 papers), Conducting polymers and applications (22 papers) and Organic Light-Emitting Diodes Research (22 papers). Hakan Usta collaborates with scholars based in Türkiye, United States and South Korea. Hakan Usta's co-authors include Antonio Facchetti, Tobin J. Marks, Gang Lü, Gökhan Demirel, Chad Risko, Michele Muccini, Gianluca Generali, Raffaella Capelli, Resül Özdemir and Hui Huang and has published in prestigious journals such as Journal of the American Chemical Society, Advanced Materials and Nature Communications.

In The Last Decade

Hakan Usta

73 papers receiving 5.5k citations

Hit Papers

n-Channel Semiconductor Materials Design for Organic Comp... 2009 2026 2014 2020 2011 2010 2009 200 400 600
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. n-Channel Semiconductor Materials Design for Organic Complementary Circuits
    2011 627 citations Hakan Usta, Antonio Facchetti et al. profile →
  2. Organic light-emitting transistors with an efficiency that outperforms the equivalent light-emitting diodes
    2010 495 citations Hakan Usta, Antonio Facchetti et al. Nature Materials profile →
  3. Design, Synthesis, and Characterization of Ladder-Type Molecules and Polymers. Air-Stable, Solution-Processable n-Channel and Ambipolar Semiconductors for Thin-Film Transistors via Experiment and Theory
    2009 484 citations Hakan Usta, Antonio Facchetti et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Hakan Usta Türkiye 33 3.9k 2.2k 1.8k 969 737 73 5.5k
Xike Gao China 44 4.6k 1.2× 2.4k 1.1× 2.6k 1.4× 803 0.8× 1.5k 2.0× 167 7.1k
Zhong’an Li China 46 3.6k 0.9× 3.1k 1.4× 2.8k 1.6× 1.7k 1.7× 848 1.2× 184 6.7k
Igor F. Perepichka United Kingdom 38 3.0k 0.8× 2.1k 1.0× 1.9k 1.0× 666 0.7× 465 0.6× 113 4.9k
Qidan Ling China 45 6.1k 1.6× 4.0k 1.8× 3.1k 1.7× 576 0.6× 646 0.9× 180 8.0k
Abhishek Kulkarni United States 27 3.2k 0.8× 1.8k 0.8× 1.8k 1.0× 568 0.6× 546 0.7× 44 4.4k
Peter J. Skabara United Kingdom 47 4.7k 1.2× 2.4k 1.1× 3.1k 1.7× 1.3k 1.3× 860 1.2× 242 7.4k
Yan Zhou China 51 6.3k 1.6× 2.5k 1.1× 4.5k 2.4× 828 0.9× 964 1.3× 150 8.4k
Pierre Frère France 38 3.4k 0.9× 2.7k 1.2× 1.8k 1.0× 1.2k 1.2× 511 0.7× 152 5.5k
Gregor Trimmel Austria 36 2.7k 0.7× 1.0k 0.5× 2.5k 1.4× 463 0.5× 384 0.5× 178 4.6k
Marcel Kastler Germany 31 4.7k 1.2× 2.7k 1.2× 2.7k 1.5× 759 0.8× 1.4k 1.8× 45 6.8k

Countries citing papers authored by Hakan Usta

Since Specialization
Citations

This map shows the geographic impact of Hakan Usta's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Hakan Usta with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Hakan Usta more than expected).

Fields of papers citing papers by Hakan Usta

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Hakan Usta. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Hakan Usta. The network helps show where Hakan Usta may publish in the future.

Co-authorship network of co-authors of Hakan Usta

This figure shows the co-authorship network connecting the top 25 collaborators of Hakan Usta. A scholar is included among the top collaborators of Hakan Usta based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Hakan Usta. Hakan Usta is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Wang, Suhao, Huan Wei, Michaël Depriester, et al.. (2024). N‐Type Molecular Thermoelectrics Based on Solution‐Doped Indenofluorene‐Dimalononitrile: Simultaneous Enhancement of Doping Level and Molecular Order. Advanced Materials Technologies. 10(1). 1 indexed citations
2.
Özdemir, Resül, et al.. (2024). Organic and inorganic semiconducting materials-based SERS: recent developments and future prospects. Journal of Materials Chemistry C. 12(38). 15276–15309. 9 indexed citations
3.
Usta, Hakan, et al.. (2024). The Hansen solubility approach towards green solvent processing: n-channel organic field-effect transistors under ambient conditions. Journal of Materials Chemistry C. 12(11). 3854–3864. 10 indexed citations
4.
Ergene, Emre, et al.. (2023). Dynamic Tuning of Plasmonic Hot‐Spot Generation through Cilia‐Inspired Magnetic Actuators. SHILAP Revista de lepidopterología. 5(6). 3 indexed citations
5.
Demirel, Gökhan, et al.. (2023). Solution-Processable Indenofluorenes on Polymer Brush Interlayer: Remarkable N-Channel Field-Effect Transistor Characteristics under Ambient Conditions. ACS Applied Materials & Interfaces. 15(35). 41666–41679. 10 indexed citations
6.
Özdemir, Resül, Soyoon Park, Jin Su Park, et al.. (2022). Meso-π-Extended/Deficient BODIPYs and Low-Band-Gap Donor–Acceptor Copolymers for Organic Optoelectronics. ACS Applied Polymer Materials. 4(3). 1991–2005. 8 indexed citations
7.
Kaya, İsmail Cihan, Resül Özdemir, Hakan Usta, & Savaş Sönmezoğlu. (2022). A dopant-free 2,7-dioctyl[1]benzothieno[3,2-b][1]benzothiophene (C8-BTBT)-based hole transporting layer for highly stable perovskite solar cells with efficiency over 22%. Journal of Materials Chemistry A. 10(23). 12464–12472. 32 indexed citations
8.
Demirel, Gökhan, et al.. (2021). Enabling three-dimensional porous architectures via carbonyl functionalization and molecular-specific organic-SERS platforms. Nature Communications. 12(1). 6119–6119. 38 indexed citations
9.
Usta, Hakan, Resül Özdemir, Emine Tekin, et al.. (2020). A hybridized local and charge transfer excited state for solution-processed non-doped green electroluminescence based on oligo(p-phenyleneethynylene). Journal of Materials Chemistry C. 8(24). 8047–8060. 29 indexed citations
10.
Özdemir, Resül, et al.. (2020). Engineering functionalized low LUMO [1]benzothieno[3,2-b][1]benzothiophenes (BTBTs): unusual molecular and charge transport properties. Journal of Materials Chemistry C. 8(43). 15253–15267. 15 indexed citations
11.
Usta, Hakan, et al.. (2019). Highly Efficient Deep-Blue Electroluminescence Based on a Solution-Processable A−π–D−π–A Oligo(p-phenyleneethynylene) Small Molecule. ACS Applied Materials & Interfaces. 11(47). 44474–44486. 62 indexed citations
12.
Demirel, Gökhan, Rebecca L. Gieseking, Resül Özdemir, et al.. (2019). Molecular engineering of organic semiconductors enables noble metal-comparable SERS enhancement and sensitivity. Nature Communications. 10(1). 5502–5502. 111 indexed citations
13.
Usta, Hakan, Resül Özdemir, Yunus Zorlu, et al.. (2019). High Electron Mobility in [1]Benzothieno[3,2-b][1]benzothiophene-Based Field-Effect Transistors: Toward n-Type BTBTs. Chemistry of Materials. 31(14). 5254–5263. 56 indexed citations
14.
15.
Demirel, Gökhan, et al.. (2018). Surface-enhanced Raman spectroscopy (SERS): an adventure from plasmonic metals to organic semiconductors as SERS platforms. Journal of Materials Chemistry C. 6(20). 5314–5335. 246 indexed citations
16.
Khalily, Mohammad Aref, Hakan Usta, Mehmet Özdemir, et al.. (2018). The design and fabrication of supramolecular semiconductor nanowires formed by benzothienobenzothiophene (BTBT)-conjugated peptides. Nanoscale. 10(21). 9987–9995. 21 indexed citations
17.
Erkartal, Mustafa, Benjamin Tam, Hakan Usta, et al.. (2017). From 2-methylimidazole to 1,2,3-triazole: a topological transformation of ZIF-8 and ZIF-67 by post-synthetic modification. Chemical Communications. 53(12). 2028–2031. 74 indexed citations
18.
Özdemir, Resül, Mehmet Özdemir, Guhyun Kwon, et al.. (2017). Ultralow bandgap molecular semiconductors for ambient-stable and solution-processable ambipolar organic field-effect transistors and inverters. Journal of Materials Chemistry C. 5(9). 2368–2379. 52 indexed citations
19.
Yılmaz, Mehmet, Mehmet Özdemir, Rebecca L. Gieseking, et al.. (2017). Nanostructured organic semiconductor films for molecular detection with surface-enhanced Raman spectroscopy. Nature Materials. 16(9). 918–924. 253 indexed citations
20.
Yılmaz, Mehmet, Mustafa Erkartal, Mehmet Özdemir, et al.. (2017). Three-Dimensional Au-Coated Electrosprayed Nanostructured BODIPY Films on Aluminum Foil as Surface-Enhanced Raman Scattering Platforms and Their Catalytic Applications. ACS Applied Materials & Interfaces. 9(21). 18199–18206. 26 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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