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@ARTICLE{Wang:601547,
author = {Wang, Yue and Qin, Shanshan and Denisov, Nikita and Kim,
Hyesung and Bad'ura, Zdeněk and Sarma, Bidyut Bikash and
Schmuki, Patrik},
title = {{R}eactive {D}eposition {V}ersus {S}trong {E}lectrostatic
{A}dsorption ({SEA}): {A} {K}ey to {H}ighly {A}ctive
{S}ingle {A}tom {C}o‐{C}atalysts in {P}hotocatalytic
{H}$_2$ {G}eneration},
journal = {Advanced materials},
volume = {35},
number = {32},
issn = {0935-9648},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {PUBDB-2024-00256},
pages = {2211814},
year = {2023},
abstract = {In recent years, the use of single atoms (SAs) has become
of a rapidly increasing significance in photocatalytic H$_2$
generation; here SA noble metals (mainly Pt SAs) can act as
highly effective co-catalysts. The classic strategy to
decorate oxide semiconductor surfaces with maximally
dispersed SAs relies on “strong electrostatic
adsorption” (SEA) of suitable noble metal complexes. In
the case of TiO$_2$ – the classic benchmark photocatalyst
– SEA calls for adsorption of cationic Pt complexes such
as [(NH$_3$)$_4$Pt]$^{2+}$ which then are thermally reacted
to surface-bound SAs. While SEA is widely used in
literature, in the present work it is shown by a direct
comparison that reactive attachment based on the reductive
anchoring of SAs, e.g., from hexachloroplatinic(IV) acid
(H$_2$PtCl$_6$) leads directly to SAs in a configuration
with a significantly higher specific activity than SAs
deposited with SEA – and this at a significantly lower Pt
loading and without any thermal post-deposition treatments.
Overall, the work demonstrates that the reactive deposition
strategy is superior to the classic SEA concept as it
provides a direct electronically well-connected SA-anchoring
and thus leads to highly active single-atom sites in
photocatalysis.},
cin = {DOOR ; HAS-User},
ddc = {660},
cid = {I:(DE-H253)HAS-User-20120731},
pnm = {6G3 - PETRA III (DESY) (POF4-6G3)},
pid = {G:(DE-HGF)POF4-6G3},
experiment = {EXP:(DE-H253)P-P65-20150101},
typ = {PUB:(DE-HGF)16},
pubmed = {37256585},
UT = {WOS:001020077000001},
doi = {10.1002/adma.202211814},
url = {https://bib-pubdb1.desy.de/record/601547},
}