S. Punchihewa

869 total citations · 1 hit paper
21 papers, 785 citations indexed

About

S. Punchihewa is a scholar working on Renewable Energy, Sustainability and the Environment, Materials Chemistry and Water Science and Technology. According to data from OpenAlex, S. Punchihewa has authored 21 papers receiving a total of 785 indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Renewable Energy, Sustainability and the Environment, 11 papers in Materials Chemistry and 4 papers in Water Science and Technology. Recurrent topics in S. Punchihewa's work include Advanced Photocatalysis Techniques (10 papers), Copper-based nanomaterials and applications (6 papers) and TiO2 Photocatalysis and Solar Cells (4 papers). S. Punchihewa is often cited by papers focused on Advanced Photocatalysis Techniques (10 papers), Copper-based nanomaterials and applications (6 papers) and TiO2 Photocatalysis and Solar Cells (4 papers). S. Punchihewa collaborates with scholars based in Sri Lanka. S. Punchihewa's co-authors include Michael Gräetzel, Jacques‐E. Moser, Pierre P. Infelta, K. Tennakone, Ahalapitiya H. Jayatissa, C.A.N. Fernando, O.A. Ileperuma and Ambalangodage C. Jayasuriya and has published in prestigious journals such as Langmuir, Environmental Pollution and Chemical Physics Letters.

In The Last Decade

S. Punchihewa

20 papers receiving 768 citations

Hit Papers

Surface complexation of colloidal semiconductors strongly... 1991 2026 2002 2014 1991 100 200 300 400
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. Surface complexation of colloidal semiconductors strongly enhances interfacial electron-transfer rates
    1991 486 citations Jacques‐E. Moser, S. Punchihewa et al. Langmuir profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
S. Punchihewa Sri Lanka 11 470 429 201 85 75 21 785
Sukeya Kodama Japan 11 824 1.8× 784 1.8× 179 0.9× 21 0.2× 82 1.1× 28 1.2k
Hong–Lin Zhu China 17 461 1.0× 432 1.0× 363 1.8× 64 0.8× 106 1.4× 85 1.0k
Andrew Nelson United States 14 203 0.4× 680 1.6× 296 1.5× 29 0.3× 36 0.5× 27 1.1k
N. N. Denisov Russia 14 225 0.5× 365 0.9× 218 1.1× 21 0.2× 40 0.5× 62 710
Ever Velasco United States 17 397 0.8× 741 1.7× 388 1.9× 75 0.9× 36 0.5× 23 1.3k
Jishun Wang United Kingdom 15 766 1.6× 480 1.1× 328 1.6× 31 0.4× 16 0.2× 23 1.1k
Shao‐Ming Fang China 17 189 0.4× 448 1.0× 178 0.9× 24 0.3× 50 0.7× 49 908
M. Wasberg Finland 18 471 1.0× 254 0.6× 348 1.7× 434 5.1× 112 1.5× 34 906
Phuong Tuyet Nguyen Vietnam 14 426 0.9× 320 0.7× 216 1.1× 40 0.5× 68 0.9× 43 715
Richard L. Willis United Kingdom 7 699 1.5× 541 1.3× 287 1.4× 141 1.7× 9 0.1× 9 957

Countries citing papers authored by S. Punchihewa

Since Specialization
Citations

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

Fields of papers citing papers by S. Punchihewa

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of S. Punchihewa

This figure shows the co-authorship network connecting the top 25 collaborators of S. Punchihewa. A scholar is included among the top collaborators of S. Punchihewa 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 S. Punchihewa. S. Punchihewa 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.
Tennakone, K., et al.. (1992). Preparation of thin polycrystalline films of cuprous iodide and photoelectrochemical dye-sensitization. Thin Solid Films. 217(1-2). 129–132. 12 indexed citations
2.
Tennakone, K., et al.. (1992). Photodegradation of visible-light-absorbing organic compounds in the presence of semiconductor catalysts. Journal of Photochemistry and Photobiology A Chemistry. 68(3). 389–393. 13 indexed citations
3.
Tennakone, K., et al.. (1991). Hydrogen photogeneration from aqueous solutions of alcohols by the Fe3+ ion. Journal of Molecular Catalysis. 64(2). 155–162. 2 indexed citations
4.
Moser, Jacques‐E., S. Punchihewa, Pierre P. Infelta, & Michael Gräetzel. (1991). Surface complexation of colloidal semiconductors strongly enhances interfacial electron-transfer rates. Langmuir. 7(12). 3012–3018. 486 indexed citations breakdown →
5.
Tennakone, K., et al.. (1991). The catalysis of hydrogen photogeneration from sugars and starch in aqueous medium by copper(II) chloride. Renewable Energy. 1(1). 97–99. 3 indexed citations
6.
Tennakone, K., et al.. (1991). Hydrogen generation in the photolysis of aqueous solutions of alcohol in the presence of copper(II) sulfate. Inorganica Chimica Acta. 180(1). 99–101. 2 indexed citations
7.
Tennakone, K., et al.. (1990). Hydrogen generation in photolysis of ferrocyanide ion. Journal of Photochemistry and Photobiology A Chemistry. 51(2). 163–165. 1 indexed citations
8.
Tennakone, K., et al.. (1990). Photocatalytic dehydrogenation of ethanol by the Cu2+ ion. Journal of Molecular Catalysis. 61(1). 61–64. 2 indexed citations
9.
Tennakone, K., et al.. (1990). Water photolysis via reversible oxidation and reduction between MnO2 and MnO42-. Journal of Photochemistry and Photobiology A Chemistry. 52(1). 43–46. 10 indexed citations
10.
Tennakone, K., et al.. (1990). Catalysis of water photolysis by trichlorocuprate ions. Journal of Photochemistry and Photobiology A Chemistry. 52(2). 281–284. 1 indexed citations
11.
Tennakone, K., et al.. (1989). Photocatalytic oxidation of nitrite in water to nitrate. Environmental Pollution. 57(4). 299–305. 13 indexed citations
12.
Tennakone, K., Ahalapitiya H. Jayatissa, & S. Punchihewa. (1989). Selective photoreduction of carbon dioxide to methanol with hydrous cuprous oxide. Journal of Photochemistry and Photobiology A Chemistry. 49(3). 369–375. 50 indexed citations
13.
Tennakone, K., et al.. (1989). Nitrogen photoreduction with cuprous chloride coated hydrous cuprous oxide. Solar Energy Materials. 18(3-4). 217–221. 22 indexed citations
14.
Tennakone, K., et al.. (1989). Titanium dioxide catalysed photo-oxidation of methyl violet. Journal of Photochemistry and Photobiology A Chemistry. 46(2). 247–252. 8 indexed citations
15.
Tennakone, K., et al.. (1988). Photocatalytic reduction of nitrogen to ammonia with coprecipitated Fe(III) and Ti(IV) hydrous oxides. Solar Energy Materials. 17(1). 47–53. 17 indexed citations
16.
Tennakone, K., et al.. (1988). Photoreduction of water and nitrogen with hydrous cuprous oxide. Chemical Physics Letters. 150(5). 511–514. 8 indexed citations
17.
Tennakone, K., et al.. (1987). A theoretical and experimental study of the energy harvest efficiency of an energy crop. Solar Energy. 39(4). 291–295.
18.
Tennakone, K., et al.. (1987). Photocatalytic nitrogen reduction using visible light. Journal of the Chemical Society Chemical Communications. 1078–1078. 46 indexed citations
19.
Tennakone, K., et al.. (1987). Semiconducting and Photoelectrochemical Properties of n- and p-Type β-CuCNS. physica status solidi (a). 103(2). 491–497. 66 indexed citations
20.
Tennakone, K., et al.. (1986). Stability of cuprous thiocyanate coated cuprous oxide photocathode in aqueous thiocyanate. Electrochimica Acta. 31(3). 315–318. 22 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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