{"id":6429,"date":"2026-10-19T09:48:54","date_gmt":"2026-10-19T09:48:54","guid":{"rendered":"https:\/\/phd.hi.is\/doktorsvorn\/doktorsvorn-i-efnaverkfraedi-andre-philipp-wark\/"},"modified":"2026-10-19T09:48:54","modified_gmt":"2026-10-19T09:48:54","slug":"doktorsvorn-i-efnaverkfraedi-andre-philipp-wark","status":"publish","type":"phd_defence","link":"https:\/\/phd.hi.is\/en\/doktorsvorn\/doktorsvorn-i-efnaverkfraedi-andre-philipp-wark\/","title":{"rendered":"Doktorsv\u00f6rn \u00ed efnaverkfr\u00e6\u00f0i – Andr\u00e9 Philipp Wark"},"content":{"rendered":"
\n
\n

Doktorsefni:
<\/strong>Andr\u00e9 Philipp Wark<\/p>\n

Heiti ritger\u00f0ar:
<\/strong>K\u00f6nnun \u00e1 rafhv\u00f6tun oxunarhvarfa \u00e1 algengum efnum – sam\u00fe\u00e6tting fr\u00e6\u00f0a og tilrauna
<\/strong><\/p>\n

Andm\u00e6lendur:
<\/strong>Dr. Jakob Kibsgaard, pr\u00f3fessor vi\u00f0i e\u00f0lisfr\u00e6\u00f0ideild T\u00e6knih\u00e1sk\u00f3la Danmerkur (DTU), Danm\u00f6rku, dr. N\u00faria L\u00f3pez, pr\u00f3fessor vi\u00f0 Stofnun Efnafr\u00e6\u00f0iranns\u00f3kna \u00ed Katal\u00f3n\u00edu (ICIQ), Sp\u00e1ni.<\/p>\n

Lei\u00f0beinandi
<\/strong>Dr. Egill Sk\u00falason, pr\u00f3fessor vi\u00f0\u00a0I\u00f0na\u00f0arverkfr\u00e6\u00f0i-, v\u00e9laverkfr\u00e6\u00f0i- og t\u00f6lvunarfr\u00e6\u00f0ideild H\u00e1sk\u00f3la \u00cdslands.<\/p>\n

Einnig \u00ed doktorsnefnd:
<\/strong>Dr. Andrew J. Medford, lektor vi\u00f0 deild efna- og l\u00edfsameindaverkfr\u00e6\u00f0i vi\u00f0 t\u00e6knih\u00e1sk\u00f3la Georg\u00edu, Bandar\u00edkjunum, dr. Hannes J\u00f3nsson, pr\u00f3fessor vi\u00f0 Raunv\u00edsindadeild H\u00e1sk\u00f3la \u00cdslands.<\/p>\n

Stj\u00f3rnandi varnar:
<\/strong>Dr. R\u00fanar Unn\u00fe\u00f3rsson, pr\u00f3fessor og deildarforseti\u00a0I\u00f0na\u00f0arverkfr\u00e6\u00f0i-, v\u00e9laverkfr\u00e6\u00f0i- og t\u00f6lvunarfr\u00e6\u00f0ideildar H\u00e1sk\u00f3la \u00cdslands.<\/p>\n

\u00c1grip:
<\/strong>Hnattr\u00e6n hl\u00fdnun af v\u00f6ldum losunar gr\u00f3\u00f0urh\u00fasalofttegunda vegna brennslu jar\u00f0efnaeldsneytis er me\u00f0al st\u00e6rstu \u00e1skorana samt\u00edmans. Nau\u00f0synlegt er a\u00f0 umbreyta hagkerfinu \u00ed \u00e1tt a\u00f0 sj\u00e1lfb\u00e6rari notkun au\u00f0linda, ekki a\u00f0eins af umhverfis- og f\u00e9lagslegum \u00e1st\u00e6\u00f0um, heldur einnig hagfr\u00e6\u00f0ilegum. Til a\u00f0 takmarka losun gr\u00f3\u00f0urh\u00fasalofttegunda er nau\u00f0synlegt a\u00f0 \u00fer\u00f3a efnarafala og \u00f6nnur samb\u00e6rileg t\u00e6ki \u00far \u00f3d\u00fdrum, \u00f3\u00ferj\u00f3tandi au\u00f0lindum. \u00cd \u00feessu samhengi er s\u00farefnismyndunarhvarfi\u00f0 (OER) sem m\u00e1 s\u00e9r sta\u00f0 \u00e1 an\u00f3\u00f0um efnarafala s\u00e9rlega mikilv\u00e6gt. \u00cd einu verkefna ritger\u00f0arinnar er OER kanna\u00f0 \u00e1 h\u00e1-\u00e1tttu\u00f0u hitahreinsu\u00f0u graf\u00edti (HOPG), me\u00f0 og \u00e1n \u00fatfelldra nan\u00f3laga mangan-ox\u00ed\u00f0s (MnO2NS). Me\u00f0 notkun fj\u00f6lbreyttra greiningar- og rafefnafr\u00e6\u00f0ilegra a\u00f0fer\u00f0a, s.s. rafefnafr\u00e6\u00f0ilegrar smugsj\u00e1r (n-EC-STM) og \u00fe\u00e9ttnifellafr\u00e6\u00f0i (DFT) reikninga, v\u00f6rpum vi\u00f0 lj\u00f3si \u00e1 aukna OER virkni blendingsefnisins. Samkv\u00e6mt m\u00e6lingum okkar \u00e1 \u00feessi aukna virkni OER uppt\u00f6k s\u00edn \u00e1 m\u00f3tum HOPG undirlagsins og MnO2NS. \u00deetta er \u00ed samr\u00e6mi vi\u00f0 ni\u00f0urst\u00f6\u00f0ur DFT reikninga, sem eigna s\u00farefnisat\u00f3mum bundum mangani \u00feessa auknu virkni. \u00cd framhaldi af \u00feessu ranns\u00f6ku\u00f0um vi\u00f0 svipa\u00f0 blendingsefni sem samanstendur af kols\u00fdr\u00f0u j\u00e1rn\u00feal\u00f3s\u00fdan\u00edni(CFePc) og s\u00e1um aukna OER virkni samanbori\u00f0 vi\u00f0 HOPG\/MnO2NS. A\u00f0 auki s\u00e9st aukin OER virkni \u00feegar CFePc er blanda\u00f0 vi\u00f0 MnO2NS, s\u00e9r \u00ed lagi vi\u00f0 l\u00e1ga yfirspennu. DFT reikningar benda til \u00feess a\u00f0 virknin vi\u00f0 l\u00e1ga spennu eigi uppruna sinn \u00e1 m\u00f3tum undirlagsins og MnO2NS, en vi\u00f0 h\u00e1 spennugildi er CFePc r\u00edkjandi. A\u00f0 lokum kynnum vi\u00f0 ni\u00f0urst\u00f6\u00f0ur rann\u00f3knar \u00fear sem notast var vi\u00f0 t\u00f6lvureikninga \u00e1 samkeppni OER og rafefnafr\u00e6\u00f0ilegrar oxunar niturs (NOR) \u00e1 rutile TiO2 (110) rafskauti. Me\u00f0 notkun \u00fe\u00e9ttnifellafr\u00e6\u00f0ireikninga me\u00f0 breytilegum fj\u00f6lda rafeinda k\u00f6nnum vi\u00f0 f\u00fdsileika hvarfanna \u00e1 \u00feessu algenga efni vi\u00f0 mismunandi hvarfa\u00f0st\u00e6\u00f0ur. Ni\u00f0urst\u00f6\u00f0ur okkar s\u00fdna fram \u00e1 jafna samkeppni hvarfanna tveggja, sem \u00e1kvar\u00f0ast af hreyfifr\u00e6\u00f0i og uppbyggingu m\u00f3ta rafskauts og raflausnar.<\/p>\n

Um doktorsefni\u00f0:
<\/strong>Andr\u00e9 Philipp Wark lauk BSc og MSc pr\u00f3fi \u00ed efnafr\u00e6\u00f0i fr\u00e1 H\u00e1sk\u00f3lanum \u00ed Bremen \u00ed \u00de\u00fdskalandi \u00e1ri\u00f0 2019. Meistararitger\u00f0 hans fjalla\u00f0i um nan\u00f3agnir plat\u00ednu, virkja\u00f0ar me\u00f0 am\u00edn\u00f3s\u00fdrum, til notkunar \u00e1 enantio-hreinum vetnunarhv\u00f6rfum. Hann h\u00f3f \u00ed framhaldinu st\u00f6f sem doktorsnemi vi\u00f0 ranns\u00f3knarh\u00f3p pr\u00f3fessors Egils Sk\u00falasonar vi\u00f0. \u00cd ranns\u00f3knum s\u00fdnum hefur Andr\u00e9, \u00ed samstarfi vi\u00f0 ranns\u00f3knarh\u00f3pa fr\u00e1 ORIST annars vegar og T\u00e6knih\u00e1sk\u00f3lanum \u00ed M\u00fcnchen hins vegar, reynt a\u00f0 varpa lj\u00f3si \u00e1 rafefnafr\u00e6\u00f0ileg oxunarhv\u00f6rf me\u00f0 notkun t\u00f6lvureikninga. A\u00f0 loknu doktorsn\u00e1mi mun Andr\u00e9 stunda ranns\u00f3knir sem n\u00fddoktor vi\u00f0 T\u00e6knih\u00e1sk\u00f3lann \u00ed Danm\u00f6rku.<\/p>\n<\/div><\/div>","protected":false},"featured_media":5816,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_phd_date_start":"2024-06-28T14:00:00+00:00","_phd_date_end":"2024-06-28T15:30:00+00:00","_phd_location":"A\u00f0albygging H\u00e1t\u00ed\u00f0asalur","_phd_admission":"A\u00f0gangur \u00f3keypis","_phd_thesis_title":"K\u00f6nnun \u00e1 rafhv\u00f6tun oxunarhvarfa \u00e1 algengum efnum - sam\u00fe\u00e6tting fr\u00e6\u00f0a og tilrauna","_phd_source_url":"https:\/\/gamli.hi.is\/vidburdir\/doktorsvorn_i_efnaverkfraedi_andre_philipp_wark","_phd_source_node_id":"433684","_phd_source_type":"vidburdir","_phd_member_id":970,"footnotes":""},"phd_school":[108,93],"phd_discipline":[109],"class_list":["post-6429","phd_defence","type-phd_defence","status-publish","has-post-thumbnail","hentry","phd_school-idnadarverkfraedi-velaverkfraedi-og-tolvunarfraedideild","phd_school-verkfraedi-og-natturuvisindasvid","phd_discipline-phd-i-efnaverkfraedi"],"_links":{"self":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence\/6429","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence"}],"about":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/types\/phd_defence"}],"version-history":[{"count":0,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence\/6429\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media\/5816"}],"wp:attachment":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media?parent=6429"}],"wp:term":[{"taxonomy":"phd_school","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_school?post=6429"},{"taxonomy":"phd_discipline","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_discipline?post=6429"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}