Email this article Selective hydrothermal microwave synthesis of various manganese dioxide polymorphs
- Authors: Korotkov R.F.1, Baranchikov A.E.1,2, Boytsova O.V.1,2, Goldt A.E.1,2, Kurzeev S.A.1, Ivanov V.K.2,3
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Affiliations:
- Lomonosov Moscow State University
- Kurnakov Institute of General and Inorganic Chemistry
- National Research Tomsk State University
- Issue: Vol 61, No 2 (2016)
- Pages: 129-134
- Section: Synthesis and Properties of Inorganic Compounds
- URL: https://journals.rcsi.science/0036-0236/article/view/167096
- DOI: https://doi.org/10.1134/S0036023616020091
- ID: 167096
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Abstract
Hydrothermal microwave treatment of mixed solutions of potassium permanganate and hexamethylenetetramine within the pH range 0.5–6.9, resulted in various polymorphs of nanocrystalline manganese dioxide: α-MnO2 (cryptomelane), γ-MnO2 (nsutite), β-MnO2 (pyrolusite), and δ-MnO2 (birnessite). The pH values of the medium at which single-phase samples form were determined.
About the authors
R. F. Korotkov
Lomonosov Moscow State University
Author for correspondence.
Email: neocube007@yandex.ru
Russian Federation, Vorob’evy gory, Moscow, 119992
A. E. Baranchikov
Lomonosov Moscow State University; Kurnakov Institute of General and Inorganic Chemistry
Email: neocube007@yandex.ru
Russian Federation, Vorob’evy gory, Moscow, 119992; Leninskii pr. 31, Moscow, 119991
O. V. Boytsova
Lomonosov Moscow State University; Kurnakov Institute of General and Inorganic Chemistry
Email: neocube007@yandex.ru
Russian Federation, Vorob’evy gory, Moscow, 119992; Leninskii pr. 31, Moscow, 119991
A. E. Goldt
Lomonosov Moscow State University; Kurnakov Institute of General and Inorganic Chemistry
Email: neocube007@yandex.ru
Russian Federation, Vorob’evy gory, Moscow, 119992; Leninskii pr. 31, Moscow, 119991
S. A. Kurzeev
Lomonosov Moscow State University
Email: neocube007@yandex.ru
Russian Federation, Vorob’evy gory, Moscow, 119992
V. K. Ivanov
Kurnakov Institute of General and Inorganic Chemistry; National Research Tomsk State University
Email: neocube007@yandex.ru
Russian Federation, Leninskii pr. 31, Moscow, 119991; pr. Lenina 36, Tomsk, 634050
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