chemistry

Renata Reisfeld

Renata Reisfeld 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 Renata Reisfeld rather than just read about it. In short: Renata Reisfeld (Hebrew: רנטה ריספלד; née Sobel) is an Israeli Professor of Chemistry and D.H.C. Enrique Berman Professor of Solar Energy at Institute of Chemistry of the Hebrew University of Jerusalem, author of 532 scientific papers cited more than 30,000 times.

Key takeaways

Renata Reisfeld belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Renata Reisfeld to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Renata Reisfeld from memory before moving on to harder problems.

Reference excerpt

Renata Reisfeld (Hebrew: רנטה ריספלד; née Sobel) is an Israeli Professor of Chemistry and D.H.C. Enrique Berman Professor of Solar Energy at Institute of Chemistry of the Hebrew University of Jerusalem, author of 532 scientific papers cited more than 30,000 times.

Biography

Renata Sobel was born in Chelm, Poland in 1930. She came to Israel in 1950 and graduated from the Hebrew University of Jerusalem. Her husband is Lazar Eliezer Reisfeld; her children are Danny and Gideon. Reisfeld became the head of the science research team at The Institute of Chemistry of the Hebrew University of Jerusalem in 1975. Reisfeld's research interests are luminescent solar concentrators for decreasing the price of photovoltaic electricity, interaction of nanoparticles with luminescent species, anti-reflecting coating, and Sol-Gel glasses. She began developing solar concentrators with her research team in 1978. From 2007 until 2010, Reisfeld acted at GreenSun Energy Ltd as Chief Scientist. On 4 July 1976, Reisfeld was among the 102 hostages rescued by Israeli troops at the airport of Entebbe, Uganda. A week earlier, she had been a passenger aboard Air France flight 139 from Tel Aviv via Athens to Paris that was abducted by a commando of Palestinian and German air pirates attempting to press for the release of 55 mainly Palestinian prisoners held in Israel and other countries on terrorism charges. Reisfeld was one of several witnesses who shared their experiences in media interviews immediately after their return to Israel as well as on the occasion of the event's 40-year anniversary.

Recognition In 1993 she received an Honorary degree – Doctor Honoris Causa from the University of Lyon, France. In 1993 she was awarded the Medal for scientific achievement of Mayor Lyon, France. In 1998 she received an Honorary degree – Doctor Honoris Causa from the University of Bucharest, Romania. In 2005 she received an Honorary degree – Professor Honoris Causa from the Polish Academy of Sciences, Wrocław, Poland. In 2010 she was awarded the Gold Medal of the University of Wrocław, Poland. In 2018, the Journal of Luminescence published a special issue in honor of Reisfeld. In 2018, Elsevier highlighted her contributions to physics. In 2020, the International Sol-Gel Society established the Renata Reisfeld Fellowship.

Books R. Reisfeld and C.K. Jorgensen, Lasers and Excited States of Rare Earths, Springer-Verlag, Berlin Heidelberg, New York City 1977. M. Gaft, R. Reisfeld and G. Panczer, Luminiscence Spectroscopy of Minerals and Materials, Springer-Verlag, 2005. M. Gaft, R. Reisfeld and G. Panczer, Modern Luminiscence Spectroscopy of Minerals and Materials, Springer Mineralogy, 2016.

See also Hebrew University of Jerusalem – see Notable alumni Luminescent solar concentrators

References

External links Jew of the Week: "Renata Reisfeld: The Renowned Chemist Who Survived the Holocaust—and Entebbe" Abigail Klein Leichman, "The professor who sees things through rose-colored glass”, Israel 21c Renata Reisfeld's Homepage

Illustrations

Worked examples

Example 1 — a first encounter with Renata Reisfeld

Start with the simplest possible case. Write down what Renata Reisfeld 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 Renata Reisfeld 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 Renata Reisfeld 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 Renata Reisfeld

In research: Renata Reisfeld 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 Renata Reisfeld 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: Renata Reisfeld is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1930 births, Hebrew University of Jerusalem alumni, Israeli chemists, so understanding it makes those chapters shorter.
In everyday life: Look for Renata Reisfeld 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 Renata Reisfeld in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Renata Reisfeld means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Renata Reisfeld out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Renata Reisfeld in simple terms?

Why does Renata Reisfeld 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 Renata Reisfeld?

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 Renata Reisfeld.