Oki Gunawan

18.7k total citations · 11 hit papers
120 papers, 16.4k citations indexed

About

Oki Gunawan is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Oki Gunawan has authored 120 papers receiving a total of 16.4k indexed citations (citations by other indexed papers that have themselves been cited), including 105 papers in Electrical and Electronic Engineering, 79 papers in Materials Chemistry and 48 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Oki Gunawan's work include Chalcogenide Semiconductor Thin Films (73 papers), Quantum Dots Synthesis And Properties (71 papers) and Copper-based nanomaterials and applications (35 papers). Oki Gunawan is often cited by papers focused on Chalcogenide Semiconductor Thin Films (73 papers), Quantum Dots Synthesis And Properties (71 papers) and Copper-based nanomaterials and applications (35 papers). Oki Gunawan collaborates with scholars based in United States, Singapore and Japan. Oki Gunawan's co-authors include David B. Mitzi, Teodor K. Todorov, Tayfun Gokmen, Yu Zhu, Supratik Guha, Mark T. Winkler, Wei Wang, Byungha Shin, S. Jay Chey and N. A. Bojarczuk and has published in prestigious journals such as Nature, Physical Review Letters and Advanced Materials.

In The Last Decade

Oki Gunawan

120 papers receiving 16.0k citations

Hit Papers

Device Characteristics of CZTSSe Thin‐Film Solar Cells wi... 2010 2026 2015 2020 2013 2011 2011 2012 2011 500 1000 1.5k 2.0k 2.5k
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. Device Characteristics of CZTSSe Thin‐Film Solar Cells with 12.6% Efficiency
    2013 2.8k citations Wei Wang, Mark T. Winkler et al. Advanced Energy Materials profile →
  2. The path towards a high-performance solution-processed kesterite solar cell
    2011 1.1k citations David B. Mitzi, Oki Gunawan et al. profile →
  3. Thin film solar cell with 8.4% power conversion efficiency using an earth‐abundant Cu2ZnSnS4 absorber
    2011 1.1k citations Byungha Shin, Oki Gunawan et al. profile →
  4. Beyond 11% Efficiency: Characteristics of State‐of‐the‐Art Cu2ZnSn(S,Se)4 Solar Cells
    2012 892 citations Teodor K. Todorov, Oki Gunawan et al. Advanced Energy Materials profile →
  5. Device characteristics of a 10.1% hydrazine‐processed Cu2ZnSn(Se,S)4 solar cell
    2011 738 citations Oki Gunawan, Tayfun Gokmen et al. profile →
  6. Band tailing and efficiency limitation in kesterite solar cells
    2013 596 citations Tayfun Gokmen, Oki Gunawan et al. Applied Physics Letters profile →
  7. Thermally evaporated Cu2ZnSnS4 solar cells
    2010 568 citations Oki Gunawan, Teodor K. Todorov et al. Applied Physics Letters profile →
  8. A High Efficiency Electrodeposited Cu2ZnSnS4 Solar Cell
    2011 475 citations Oki Gunawan et al. Advanced Energy Materials profile →
  9. Cu2ZnSnSe4 Thin‐Film Solar Cells by Thermal Co‐evaporation with 11.6% Efficiency and Improved Minority Carrier Diffusion Length
    2014 422 citations Yun Seog Lee, Talia Gershon et al. Advanced Energy Materials profile →
  10. High Efficiency Cu2ZnSn(S,Se)4 Solar Cells by Applying a Double In2S3/CdS Emitter
    2014 413 citations Jeehwan Kim, Homare Hiroi et al. Advanced Materials profile →
  11. Flexible CIGS, CdTe and a-Si:H based thin film solar cells: A review
    2019 363 citations Douglas M. Bishop, Teodor K. Todorov 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
Oki Gunawan United States 54 15.5k 14.5k 2.9k 630 476 120 16.4k
Ayodhya N. Tiwari Switzerland 69 14.3k 0.9× 12.2k 0.8× 2.6k 0.9× 596 0.9× 1.4k 3.0× 328 15.2k
Hans‐Werner Schock Germany 53 9.6k 0.6× 8.7k 0.6× 2.1k 0.7× 450 0.7× 429 0.9× 176 10.3k
Yu Zhu United States 38 8.6k 0.6× 9.2k 0.6× 2.2k 0.8× 1.2k 1.9× 365 0.8× 132 10.8k
Teodor K. Todorov United States 38 12.4k 0.8× 11.5k 0.8× 1.8k 0.6× 229 0.4× 421 0.9× 60 12.8k
Gavin Conibeer Australia 51 6.3k 0.4× 6.3k 0.4× 2.2k 0.8× 2.4k 3.9× 534 1.1× 295 8.5k
Michael Powalla Germany 48 10.3k 0.7× 9.0k 0.6× 2.1k 0.7× 309 0.5× 644 1.4× 163 10.7k
C. R. Wroński United States 37 7.3k 0.5× 6.0k 0.4× 1.1k 0.4× 763 1.2× 464 1.0× 168 8.4k
David L. Young United States 36 5.3k 0.3× 4.0k 0.3× 1.3k 0.5× 558 0.9× 285 0.6× 178 6.0k
Zachary C. Holman United States 44 8.1k 0.5× 4.3k 0.3× 1.7k 0.6× 1.3k 2.0× 1.6k 3.4× 171 9.1k
Masahiro Yoshita Japan 30 7.1k 0.5× 3.7k 0.3× 1.8k 0.6× 655 1.0× 1.3k 2.6× 169 8.3k

Countries citing papers authored by Oki Gunawan

Since Specialization
Citations

This map shows the geographic impact of Oki Gunawan'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 Oki Gunawan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Oki Gunawan more than expected).

Fields of papers citing papers by Oki Gunawan

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Oki Gunawan. 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 Oki Gunawan. The network helps show where Oki Gunawan may publish in the future.

Co-authorship network of co-authors of Oki Gunawan

This figure shows the co-authorship network connecting the top 25 collaborators of Oki Gunawan. A scholar is included among the top collaborators of Oki Gunawan 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 Oki Gunawan. Oki Gunawan 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.
Nielsen, Rasmus, Oki Gunawan, Teodor K. Todorov, et al.. (2025). Variable-temperature and carrier-resolved photo-Hall measurements of high-performance selenium thin-film solar cells. Physical review. B.. 111(16). 3 indexed citations
2.
Euvrard, Julie, et al.. (2025). Giant persistent photoconductivity at room temperature in Sn-based perovskites. Applied Physics Letters. 126(6). 4 indexed citations
3.
Safranski, Christopher, G. Hu, J. Z. Sun, et al.. (2022). Reliable Sub-Nanosecond Switching in Magnetic Tunnel Junctions for MRAM Applications. IEEE Transactions on Electron Devices. 69(12). 7180–7183. 13 indexed citations
4.
Li, Ning, Stephen W. Bedell, Jinhan Ren, et al.. (2020). Dust‐Sized High‐Power‐Density Photovoltaic Cells on Si and SOI Substrates for Wafer‐Level‐Packaged Small Edge Computers. Advanced Materials. 32(49). e2004573–e2004573. 8 indexed citations
5.
Grossberg, M., J. Krustok, Charles J. Hages, et al.. (2019). The electrical and optical properties of kesterites. Journal of Physics Energy. 1(4). 44002–44002. 64 indexed citations
6.
Gunawan, Oki, Seong Ryul Pae, Douglas M. Bishop, et al.. (2019). Carrier-resolved photo-Hall effect. Nature. 575(7781). 151–155. 83 indexed citations
7.
Todorov, Teodor K., Saurabh Singh, Douglas M. Bishop, et al.. (2017). Ultrathin high band gap solar cells with improved efficiencies from the world’s oldest photovoltaic material. Nature Communications. 8(1). 682–682. 127 indexed citations
8.
Gunawan, Oki & Yudistira Virgus. (2017). The one-dimensional camelback potential in the parallel dipole line trap: Stability conditions and finite size effect. Journal of Applied Physics. 121(13). 5 indexed citations
9.
Shin, Donghyeop, Tong Zhu, Xuan Huang, et al.. (2017). Earth‐Abundant Chalcogenide Photovoltaic Devices with over 5% Efficiency Based on a Cu2BaSn(S,Se)4 Absorber. Advanced Materials. 29(24). 132 indexed citations
10.
Lee, Yun Seog, Oki Gunawan, Tayfun Gokmen, et al.. (2015). The impact of sodium on the sub-bandgap states in CZTSe and CZTS. Applied Physics Letters. 106(12). 53 indexed citations
11.
Park, Helen Hejin, Chuanxi Yang, Richard Haight, et al.. (2014). Atomic layer deposition of Al-incorporated Zn(O,S) thin films with tunable electrical properties. Applied Physics Letters. 105(20). 20 indexed citations
12.
Kim, Jeehwan, Homare Hiroi, Teodor K. Todorov, et al.. (2014). High Efficiency Cu2ZnSn(S,Se)4 Solar Cells by Applying a Double In2S3/CdS Emitter. Advanced Materials. 26(44). 7427–7431. 413 indexed citations breakdown →
13.
Wang, Wei, Mark T. Winkler, Oki Gunawan, et al.. (2013). Device Characteristics of CZTSSe Thin‐Film Solar Cells with 12.6% Efficiency. Advanced Energy Materials. 4(7). 2783 indexed citations breakdown →
14.
Gokmen, Tayfun, Oki Gunawan, Teodor K. Todorov, & David B. Mitzi. (2013). Band tailing and efficiency limitation in kesterite solar cells. Applied Physics Letters. 103(10). 596 indexed citations breakdown →
15.
Gunawan, Oki, N. Moumen, Hisham Mohamed, et al.. (2010). Wire textured, multi-crystalline Si solar cells created using self-assembled masks. Optics Express. 18(S4). A568–A568. 4 indexed citations
16.
Gunawan, Oki, Tayfun Gokmen, Y. P. Shkolnikov, E. P. De Poortere, & M. Shayegan. (2008). Anomalous Giant Piezoresistance in AlAs 2D Electron Systems with Antidot Lattices. Physical Review Letters. 100(3). 36602–36602. 3 indexed citations
17.
Shayegan, M., et al.. (2006). Quantized conductance in an AlAs 2D electron system quantum point contact. Bulletin of the American Physical Society. 1 indexed citations
18.
Djie, H. S., et al.. (2006). Group-III vacancy induced In{sub x}Ga{sub 1-x}As quantum dot interdiffusion. Physical Review B. 73(15). 5 indexed citations
19.
Vakili, K., Tayfun Gokmen, Oki Gunawan, et al.. (2006). Dependence of Persistent Gaps at Landau Level Crossings on Relative Spin. Physical Review Letters. 97(11). 116803–116803. 9 indexed citations
20.
Gunawan, Oki, Y. P. Shkolnikov, K. Vakili, et al.. (2006). Valley Susceptibility of an Interacting Two-Dimensional Electron System. Physical Review Letters. 97(18). 186404–186404. 271 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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