PL399955A1 - Luminescent suspension emitting visible radiation and a method of producing a suspension with luminescent properties - Google Patents

Luminescent suspension emitting visible radiation and a method of producing a suspension with luminescent properties

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Publication number
PL399955A1
PL399955A1 PL399955A PL39995512A PL399955A1 PL 399955 A1 PL399955 A1 PL 399955A1 PL 399955 A PL399955 A PL 399955A PL 39995512 A PL39995512 A PL 39995512A PL 399955 A1 PL399955 A1 PL 399955A1
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PL
Poland
Prior art keywords
suspension
luminescent
producing
water
stage
Prior art date
Application number
PL399955A
Other languages
Polish (pl)
Other versions
PL219820B1 (en
Inventor
Jaroslaw Kaszewski
Sergiy Yatsunenko
Joanna Grzyb
Urszula Narkiewicz
Marek Godlewski
Original Assignee
Instytut Fizyki Polskiej Akademii Nauk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Instytut Fizyki Polskiej Akademii Nauk filed Critical Instytut Fizyki Polskiej Akademii Nauk
Priority to PL399955A priority Critical patent/PL219820B1/en
Publication of PL399955A1 publication Critical patent/PL399955A1/en
Publication of PL219820B1 publication Critical patent/PL219820B1/en

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Abstract

Przedmiotem wynalazku jest zawiesina luminescencyjna emitująca promieniowanie w zakresie widzialnym oraz sposób wytwarzania tej zawiesiny. Zawiesinę stanowi ditlenek cyrkonu zawierający 0,01-30% molowych jonów RE (gdzie RE=Tb, Eu, Pr) oraz woda, przy czym stężenie kropek kwantowych w wodzie jest większe niż 1 µg/l. Sposób wytwarzania tej zawiesiny jest dwuetapowy. W pierwszym etapie w wodzie destylowanej rozpuszcza się związek zawierający jony cyrkonowe lub cyrkonylowe, z kolei w uzyskanym roztworze rozpuszcza się związek terbu, europu lub prazeodymu, przy czym ich zawartość w stosunku do cyrkonu wynosi 0,01-30% molowych. Następnie zmienia się wartość pH roztworu do wartości 7-9,4 lub 9,6-12, a powstały osad poddaje się procesowi solwotermalnemu wspomaganemu mikrofalowo. W drugim etapie uzyskany osad umieszcza się w wodzie, i poddaje się oddziaływaniu ultradźwięków, przy czym zawartość suchego osadu w wodzie powinna być większa niż 1 µg/l.The subject of the invention is a luminescent suspension emitting radiation in the visible range and a method for producing this suspension. The suspension is zirconium dioxide containing 0.01-30 mol% of RE ions (where RE=Tb, Eu, Pr) and water, with the concentration of quantum dots in water higher than 1 µg/l. The method of producing this suspension is two-stage. In the first stage, a compound containing zirconium or zirconyl ions is dissolved in distilled water, and in the resulting solution, a compound of terbium, europium or praseodymium is dissolved, their content in relation to zirconium is 0.01-30 mol%. Then the pH of the solution is changed to 7-9.4 or 9.6-12, and the resulting precipitate is subjected to a microwave-assisted solvothermal process. In the second stage, the obtained sediment is placed in water and exposed to ultrasound, and the content of dry sediment in the water should be greater than 1 µg/l.

PL399955A 2012-07-13 2012-07-13 Luminescent suspension emitting visible radiation and a method for producing a suspension of luminescent properties PL219820B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL399955A PL219820B1 (en) 2012-07-13 2012-07-13 Luminescent suspension emitting visible radiation and a method for producing a suspension of luminescent properties

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL399955A PL219820B1 (en) 2012-07-13 2012-07-13 Luminescent suspension emitting visible radiation and a method for producing a suspension of luminescent properties

Publications (2)

Publication Number Publication Date
PL399955A1 true PL399955A1 (en) 2014-01-20
PL219820B1 PL219820B1 (en) 2015-07-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
PL399955A PL219820B1 (en) 2012-07-13 2012-07-13 Luminescent suspension emitting visible radiation and a method for producing a suspension of luminescent properties

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PL (1) PL219820B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL237968B1 (en) * 2017-10-18 2021-06-14 Inst Fizyki Polskiej Akademii Nauk Method for obtaining biostable active markers in the nuclear resonance and the biostable marker

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Publication number Publication date
PL219820B1 (en) 2015-07-31

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