chemistry

Villy Sundström

Villy Sundström is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Villy Sundström rather than just read about it. In short: Villy Sundström (born February 6, 1949) is a Swedish physical chemist known for his work in ultrafast science and molecular photochemistry using time-resolved laser and X-ray spectroscopy techniques. Education and career Sundström studied chemistry at Umeå University, obtaining his PhD in 1977.

Key takeaways

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Reference excerpt

Education and career Sundström studied chemistry at Umeå University, obtaining his PhD in 1977. During his study, he visited Bell Labs and worked under Peter Rentzepis. Upon his return to Sweden, he started building the first ultrafast spectroscopy laboratory in Scandinavia at Umeå University and later at Lund University in Sweden. In 1994, Sundström was appointed professor of Chemical Dynamics and head of the Chemical Physics Department at Lund University. His group's research centers on the photophysics and photochemical processes in model systems of natural and artificial photosynthetic light harvesting, such as bacteriochlorophyll, carotenoids, transition metal complexes, organic and perovskite solar cells. Sundström was an editor of the journal Chemical Physics Letters.

Bibliography

Selected articles Sundström, Villy; Gillbro, Tomas; Bergström, Hans (1982). "Picosecond kinetics of radiationless relaxations of triphenyl methane dyes. Evidence for a rapid excited-state equilibrium between states of differing geometry". Chemical Physics. 73 (3): 439–458. doi:10.1016/0301-0104(82)85183-5. Åkesson, Eva; Sundström, Villy; Gillbro, Tomas (1985). "Solvent-dependent barrier heights of excited-state photoisomerization reactions". Chemical Physics Letters. 121 (6): 513–522. Bibcode:1985CPL...121..513A. doi:10.1016/0009-2614(85)87132-3. Sundström, V.; van Grondelle, R.; Bergström, H.; Åkesson, E.; Gillbro, T. (1986-10-08). "Excitation-energy transport in the bacteriochlorophyll antenna systems of Rhodospirillum rubrum and Rhodobacter sphaeroides, studied by low-intensity picosecond absorption spectroscopy". Biochimica et Biophysica Acta (BBA) - Bioenergetics. 851 (3): 431–446. doi:10.1016/0005-2728(86)90080-0. ISSN 0005-2728. Zhang, Fu Geng; van Grondelle, Rienk; Sundström, Villy (1992). "Pathways of energy flow through the light-harvesting antenna of the photosynthetic purple bacterium rhodobacter sphaeroides". Biophysical Journal. 61 (4): 911–920. doi:10.1016/S0006-3495(92)81898-2. PMC 1260350. PMID 19431825. Pullerits, Tõnu; Sundström, Villy (1996-08-13). "Photosynthetic Light-Harvesting Pigment−Protein Complexes: Toward Understanding How and Why". Accounts of Chemical Research. 29 (8): 381–389. doi:10.1021/ar950110o. ISSN 0001-4842. Polívka, Tomáš; Herek, Jennifer L.; Zigmantas, Donatas; Åkerlund, Hans-Erik; Sundström, Villy (1999-04-27). "Direct observation of the (forbidden) S1 state in carotenoids". Proceedings of the National Academy of Sciences. 96 (9): 4914–4917. doi:10.1073/pnas.96.9.4914. ISSN 0027-8424. PMC 21791. PMID 10220393. Benkö, Gábor; Kallioinen, Jani; Korppi-Tommola, Jouko E. I.; Yartsev, Arkady P.; Sundström, Villy (2002-01-01). "Photoinduced Ultrafast Dye-to-Semiconductor Electron Injection from Nonthermalized and Thermalized Donor States". Journal of the American Chemical Society. 124 (3): 489–493. doi:10.1021/ja016561n. ISSN 0002-7863. PMID 11792221. Pan, Jie; Benkö, Gábor; Xu, Yunhua; Pascher, Torbjörn; Sun, Licheng; Sundström, Villy; Polívka, Tomáš (2002-11-01). "Photoinduced Electron Transfer between a Carotenoid and TiO 2 Nanoparticle". Journal of the American Chemical Society. 124 (46): 13949–13957. doi:10.1021/ja0279186. ISSN 0002-7863. PMID 12431127. Zigmantas, Donatas; Hiller, Roger G.; Sundström, Villy; Polívka, Tomáš (2002-12-24). "Carotenoid to chlorophyll energy transfer in the peridinin–chlorophyll- a –protein complex involves an intramolecular charge transfer state". Proceedings of the National Academy of Sciences. 99 (26): 16760–16765. doi:10.1073/pnas.262537599. ISSN 0027-8424. PMC 139217. PMID 12486228. Pullerits, Tõnu; Zigmantas, Donatas; Sundström, Villy (2013-01-22). "Beatings in electronic 2D spectroscopy suggest another role of vibrations in photosynthetic light harvesting". Proceedings of the National Academy of Sciences. 110 (4): 1148–1149. doi:10.1073/pnas.1221058110. ISSN 0027-8424. PMC 3557030. PMID 23319614. Vithanage, D. Amarasinghe; Devižis, A.; Abramavičius, V.; Infahsaeng, Y.; Abramavičius, D.; MacKenzie, R. C. I.; Keivanidis, P. E.; Yartsev, A.; Hertel, D.; Nelson, J.; Sundström, V. (2013-08-15). "Visualizing charge separation in bulk heterojunction organic solar cells". Nature Communications. 4 (1): 2334. Bibcode:2013NatCo...4.2334V. doi:10.1038/ncomms3334. ISSN 2041-1723. PMID 23945881. Harlang, Tobias C. B.; Liu, Yizhu; Gordivska, Olga; Fredin, Lisa A.; Ponseca, Carlito S.; Huang, Ping; Chábera, Pavel; Kjaer, Kasper S.; Mateos, Helena; Uhlig, Jens; Lomoth, Reiner (2015). "Iron sensitizer converts light to electrons with 92% yield". Nature Chemistry. 7 (11): 883–889. Bibcode:2015NatCh...7..883H. doi:10.1038/nchem.2365. ISSN 1755-4349. PMID 26492008. Chábera, Pavel; Liu, Yizhu; Prakash, Om; Thyrhaug, Erling; Nahhas, Amal El; Honarfar, Alireza; Essén, Sofia; Fredin, Lisa A.; Harlang, Tobias C. B.; Kjær, Kasper S.; Handrup, Karsten (2017-03-30). "A low-spin Fe(iii) complex with 100-ps ligand-to-metal charge transfer photoluminescence". Nature. 543 (7647): 695–699. Bibcode:2017Natur.543..695C. doi:10.1038/nature21430. ISSN 1476-4687. PMID 28358064. S2CID 205254302. Kjær, Kasper Skov; Kaul, Nidhi; Prakash, Om; Chábera, Pavel; Rosemann, Nils W.; Honarfar, Alireza; Gordivska, Olga; Fredin, Lisa A.; Bergquist, Karl-Erik; Häggström, Lennart; Ericsson, Tore (2019-01-18). "Luminescence and reactivity of a charge-transfer excited iron complex with nanosecond lifetime". Science. 363 (6424): 249–253. Bibcode:2019Sci...363..249K. doi:10.1126/science.aau7160. ISSN 0036-8075. PMID 30498167. S2CID 54167123.

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Worked examples

Example 1 — a first encounter with Villy Sundström

Start with the simplest possible case. Write down what Villy Sundström claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Villy Sundström before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Villy Sundström ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Villy Sundström

In research: Villy Sundström appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Villy Sundström in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Villy Sundström is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1949 births, 20th-century Swedish chemists, 21st-century Swedish chemists, so understanding it makes those chapters shorter.
In everyday life: Look for Villy Sundström outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Villy Sundström in 20 minutes

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Frequently asked questions

What is Villy Sundström in simple terms?

Villy Sundström (born February 6, 1949) is a Swedish physical chemist known for his work in ultrafast science and molecular photochemistry using time-resolved laser and X-ray spectroscopy techniques. Education and career Sundström studied chemistry at Umeå University, obtaining his PhD in 1977.

Why does Villy Sundström matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Villy Sundström?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Villy Sundström.