{"id":3912,"date":"2018-07-07T01:10:59","date_gmt":"2018-07-06T22:10:59","guid":{"rendered":"https:\/\/www.elch.chem.msu.ru\/wp3\/?page_id=3912"},"modified":"2018-07-07T16:56:23","modified_gmt":"2018-07-07T13:56:23","slug":"3912-2","status":"publish","type":"page","link":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/en\/3912-2\/","title":{"rendered":"Polyoxometallates in heterogeneous electron transfer"},"content":{"rendered":"<p><span style=\"color: #000000;\">Headed by <strong>Dr Marina I. Borzenko<\/strong>\u00a0(e-mail: borzenko@elch.chem.msu.ru)<\/span><\/p>\n<p><span style=\"color: #000000;\">Polyoxometalates are the multicharged inorganic polyanions of exact geometry, typically highly symmetric species with stable in solutions.\u00a0 These species are attractive as the model reactants due to their large size (exceeding the size of solvent molecules) and ability to strong adsorption at the electrode surfaces: these features allow to construct the artificial reaction layers with precisely fixed electron tranafer distance, being the most unpredictable parameter of the theory. Another basic problem which can be addressed in experiments with these model reactants is the separation of two coupled effects of supporting electrolyte concentration:\u00a0 the screening role in electrostatic electrode-reactant interaction and the reactant charge decrease resulting from ionic association.\u00a0<\/span><span style=\"color: #000000;\"><a href=\"https:\/\/www.elch.chem.msu.ru\/wp3\/wp-content\/uploads\/2018\/06\/site_MI.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3579 aligncenter\" src=\"https:\/\/www.elch.chem.msu.ru\/wp3\/wp-content\/uploads\/2018\/06\/site_MI.png\" alt=\"\" width=\"276\" height=\"278\" srcset=\"https:\/\/www.elch.chem.msu.ru\/wp3\/wp-content\/uploads\/2018\/06\/site_MI.png 276w, https:\/\/www.elch.chem.msu.ru\/wp3\/wp-content\/uploads\/2018\/06\/site_MI-150x150.png 150w, https:\/\/www.elch.chem.msu.ru\/wp3\/wp-content\/uploads\/2018\/06\/site_MI-268x270.png 268w\" sizes=\"auto, (max-width: 276px) 100vw, 276px\" \/><\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">We are working with various types of polyoxometalates (Keggin, Dowson, Anderson structures, as well as a number of other nameless structures). We are dealing with reactant synthesis ourselves, and also study their state in solution by means of various spectroscopic techniques.<\/span><\/p>\n<ol>\n<li><strong>L<\/strong><strong>.<\/strong><strong>V<\/strong><strong>. <\/strong><strong>Pugolovkin<\/strong>, M.A. Naumova, A.A. Fedorova, <strong>M<\/strong><strong>.<\/strong><strong>I<\/strong><strong>. <\/strong><strong>Borzenko<\/strong>, <strong>G<\/strong><strong>.<\/strong><strong>A<\/strong><strong>. <\/strong><strong>Tsirlina<\/strong>. Half-wave potential as affected by supporting electrolyte nature: Interplay of adsorption and ionic association for electroreduction of V(V)-mixed addenda Keggin tungstophosphate. <em>Electrochim. Acta<\/em>, 2013. <strong>111<\/strong>: p. 292-298. DOI: 10.1016\/j.electacta.2013.08.067.<\/li>\n<li><strong>L.V. Pugolovkin<\/strong>, <strong>M.I. Borzenko<\/strong>, <strong>G.A. Tsirlina<\/strong>. Isopolymolybdate adsorption as related to inhibition and self-inhibition of electrode processes. <em>J. Electroanal. Chem.<\/em>, 2015. <strong>756<\/strong>: p. 131-139. DOI: 10.1016\/j.jelechem.2015.08.028 .<\/li>\n<li><strong>G.A. Tsirlina<\/strong>. The role of supporting electrolyte in heterogeneous electron transfer. <em>J. Solid State Electrochem.<\/em>, 2017. <strong>21<\/strong>(7): p. 1833-1845. DOI: 10.1007\/s10008-017-3669-1.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Headed by Dr Marina I. Borzenko\u00a0(e-mail: borzenko@elch.chem.msu.ru) Polyoxometalates are the multicharged inorganic polyanions of exact geometry, typically highly symmetric species with stable in solutions.\u00a0 These species are attractive as the model reactants due to their large size (exceeding the size <a href=\"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/en\/3912-2\/\" class=\"read-more\">\u0447\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u044c\u0448\u0435 &#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3912","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/pages\/3912","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/comments?post=3912"}],"version-history":[{"count":8,"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/pages\/3912\/revisions"}],"predecessor-version":[{"id":3972,"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/pages\/3912\/revisions\/3972"}],"wp:attachment":[{"href":"https:\/\/www.elch.chem.msu.ru\/wp3\/index.php\/wp-json\/wp\/v2\/media?parent=3912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}