Universal Scaling and Design Rules of Hydrogen-Induced Optical Properties in Pd and Pd-Alloy Nanoparticles | Sciact - CRIS-система Института катализа

Universal Scaling and Design Rules of Hydrogen-Induced Optical Properties in Pd and Pd-Alloy Nanoparticles Научная публикация

Журнал

ACS Nano
ISSN: 1936-0851 , E-ISSN: 1936-086X

Вых. Данные

Год: 2018, Том: 12, Номер: 10, Страницы: 9903–9912 Страниц : 10 DOI: 10.1021/acsnano.8b02835

Ключевые слова

design rules; hydrogen sensors; hydrogen sorption; nanoparticles; optical response; palladium alloys; universal scaling

Авторы

Nugroho Ferry Anggoro Ardy ¹ , Darmadi Iwan ¹ , Zhdanov Vladimir P. ^1,2 , Langhammer Christoph ¹

Организации

1	Department of Physics, Chalmers University of Technology, 412 96 Göteborg, Sweden
2	Boreskov Institute of Catalysis, Russian Academy of Sciences, Novosibirsk 630090, Russia

Информация о финансировании (4)

1	Федеральное агентство научных организаций России	0303-2016-0001
2	Stiftelsen för strategisk forskning	RMA15-0052
3	Chalmers University of Technology
4	Фонд Кнута и Элис Валленберг	2016.0210

Hydride-forming metal nanoparticles sustaining localized surface plasmon resonance have emerged as prototypical material to study the fundamentals of hydrogen-induced phase transformations. They have also been proposed as signal transducers in next-generation hydrogen sensors. However, despite high current interest in hydrogen sorption by nanomaterials in general and such sensors in particular, the correlations between nanoparticle size, shape and composition, the amount of hydrogen absorbed, and the obtained optical response have not been systematically experimentally studied. Focusing on hydrogenated Pd, PdAu- and PdCu-alloy nanoparticles, which are of particular interest in hysteresis-free plasmonic hydrogen sensing, we find that at practically important Au/Pd and Cu/Pd ratios the optical response to hydrogen concentration is linear and - more interestingly - can be described by a single universal linear trend if constructed as function of the H/Pd ratio, independent of alloy composition. In addition to this correlation, we establish that the amplitude of optical signal change is defined solely by the spectral plasmon resonance position in the non-hydrogenated state for a specific nanoparticle composition. Thus it can be maximized by red-shifting the LSPR into the NIR spectral range via tailoring the particle size and shape. These findings further establish plasmonic sensing as an effective tool for studying metal-hydrogen interactions in nanoparticles of complex chemical composition. They also represent universal design rules for metal-hydride-based plasmonic hydrogen sensors, and our theoretical analysis predicts that they are applicable not only to the H/Pd/Au or H/Pd/Cu system investigated here but also to other H/Pd/Metal combinations.

Nugroho F.A.A. , Darmadi I. , Zhdanov V.P. , Langhammer C.
Universal Scaling and Design Rules of Hydrogen-Induced Optical Properties in Pd and Pd-Alloy Nanoparticles

ACS Nano. 2018. V.12. N10. P.9903–9912. DOI: 10.1021/acsnano.8b02835 WOS Scopus РИНЦ CAPlus PMID OpenAlex

Полный текст от издателя

Поступила в редакцию:	16 апр. 2018 г.
Принята к публикации:	29 авг. 2018 г.
Опубликована online:	29 авг. 2018 г.
Опубликована в печати:	23 окт. 2018 г.

Web of science:	WOS:000448751800026
Scopus:	2-s2.0-85053640147
РИНЦ:	35736169
Chemical Abstracts:	2018:1626004
PMID (PubMed):	30157370
OpenAlex:	W2888903064

БД	Цитирований
Scopus	83
РИНЦ	77
Web of science	80
OpenAlex	86