Modified Graphitic Carbon Nitrides for Photocatalytic Hydrogen Evolution from Water
Karl Striegler investigates novel materials for photocatalytic hydrogen evolution from water. Graphitic Carbon Nitrides are an interesting class of materials with a structure close to graphite. For overcoming certain limitations, the author used different
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Springer awards „BestMasters“ to the best master’s theses which have been completed at renowned universities in Germany, Austria, and Switzerland. The studies received highest marks and were recommended for publication by supervisors. They address current issues from various fields of research in natural sciences, psychology, technology, and economics. The series addresses practitioners as well as scientists and, in particular, offers guidance for early stage researchers.
Karl Striegler
Modified Graphitic Carbon Nitrides for Photocatalytic Hydrogen Evolution from Water Copolymers, Sensitizers and Nanoparticles
Karl Striegler Leipzig, Germany
BestMasters ISBN 978-3-658-09739-4 ISBN 978-3-658-09740-0 (eBook) DOI 10.1007/978-3-658-09740-0 Library of Congress Control Number: 2015937602 Springer Spektrum © Springer Fachmedien Wiesbaden 2015 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, speci¿cally the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on micro¿lms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a speci¿c statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. Printed on acid-free paper Springer Spektrum is a brand of Springer Fachmedien Wiesbaden Springer Fachmedien Wiesbaden is part of Springer Science+Business Media (www.springer.com)
Geleitwort Die photokatalytische Herstellung von Wasserstoff als einem viel versprechenden Energieträger ist eine der wichtigsten Herausforderungen der derzeitigen Forschung im Bereich der heterogenen Katalyse. Insbesondere sind noch wenige Katalysatoren bekannt, mit denen sichtbares Licht für die Wasserspaltung genutzt werden kann. Unter den zahlreichen Katalysatoren stellen graphitische Kohlenstoffnitride (g-C3N4) attraktive Kandidaten dar. Bisher gelingt die Wasserstoffbildung jedoch nur mit geringen Geschwindigkeiten oder unter Verwendung von Opferreagentien und erfordert häufig energiereiche UV-Strahlung. In seiner Masterarbeit verfolgt Herr Karl Striegler vor diesem Hintergrund drei Ansätze der Modifizierung, um aktivere und stabilere Katalysatoren auf der Basis von Kohlenstoffnitriden für die Wasserstoffbildung mit sichtbarem Licht zu erhalten: (i) das Einbringen von S- und O-haltigen Funktionalitäten, (ii
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