Morphology-driven gas sensing by fabricated fractals: A review

• Vishal Kamathe and
• Rupali Nagar

Beilstein J. Nanotechnol. 2021, 12, 1187–1208, doi:10.3762/bjnano.12.88

• ethanol and citric acid played a vital role in the growth of the dendrite nanostructure, which exhibited a fractal dimension of 1.94. Bismuth vanadate -based fractals Zhao et al. synthesized large-scale highly uniform hyperbranched monoclinic BiVO4 (h-BiVO4) structures by a surfactant-free hydrothermal

• excellent as compared to monoclinic bismuth vanadate (m-BiVO4) at room temperature owing to the hyperbranched structure and high surface area. Figure 19a–c shows field-emission SEM (FESEM) images of hyperbranched m-BiVO4, a single hyperbranch of h-BiVO4, and a trunk of h-BiVO4. Recently, Bai et al. used

Widening of the electroactivity potential range by composite formation – capacitive properties of TiO₂/BiVO₄/PEDOT:PSS electrodes in contact with an aqueous electrolyte

• Konrad Trzciński,
• Mariusz Szkoda,
• Andrzej P. Nowak,
• Marcin Łapiński and
• Anna Lisowska-Oleksiak

Beilstein J. Nanotechnol. 2019, 10, 483–493, doi:10.3762/bjnano.10.49

• . Capacitance values higher than 10 mF·cm−2 were maintained even after 10000 galvanostatic cycles (ic = ia = 0.5 mA·cm−2). Keywords: bismuth vanadate (BiVO4); electrochemical activity; PEDOT:PSS; supercapacitors; titania nanotubes; Introduction Energy-storage technologies and sustainable energy production are

• annealing) or titanium foil. The bismuth vanadate films were deposited for 20 min and the PLD process was carried out using a Nd:YAG laser equipped with a fourth harmonic generation (FHG) module, generating 266 nm 6 ns pulses with 4 Hz repetition. Assuming that the obtained layer is flat and continuous, its

• , respectively [37]. The Raman spectrum of the electrode modified by bismuth vanadate also exhibited five bands at 212, 330, 368, 745 and 824 cm−1. These peak maxima are characteristic for the monoclinic scheelite structure of bismuth vanadate [38]. The band at the lowest Raman shift (ca. 212 cm−1) originates

Facile synthesis of a ZnO–BiOI p–n nano-heterojunction with excellent visible-light photocatalytic activity

• Mengyuan Zhang,
• Jiaqian Qin,
• Pengfei Yu,
• Bing Zhang,
• Mingzhen Ma,
• Xinyu Zhang and
• Riping Liu

Beilstein J. Nanotechnol. 2018, 9, 789–800, doi:10.3762/bjnano.9.72

• semiconductor’s band gap. Bismuth(III)-containing semiconductors (such as bismuth oxide [17], bismuth vanadate [18][19], bismuth tungstate [20], bismuth perovskite [21], bismuth molybdate [22], etc.) have been extensively researched as a broad hybrid orbital composed of Bi 6s in the field of photocatalysis

Mechanistic insights into plasmonic photocatalysts in utilizing visible light

• Kah Hon Leong,
• Azrina Abd Aziz,
• Lan Ching Sim,
• Pichiah Saravanan,
• Min Jang and
• Detlef Bahnemann

Beilstein J. Nanotechnol. 2018, 9, 628–648, doi:10.3762/bjnano.9.59

• geometry of the scales of a butterfly promote a light trapping effect from the UV to NIR range, which significantly increases the light absorption compared to a non-patterned system [149]. These works inspired the combination of bismuth vanadate (BiVO4) with the 3D architecture design of a butterfly wing

Enhanced photoelectrochemical water splitting performance using morphology-controlled BiVO₄ with W doping

• Xin Zhao and
• Zhong Chen

Beilstein J. Nanotechnol. 2017, 8, 2640–2647, doi:10.3762/bjnano.8.264

• % increase). Keywords: bismuth vanadate; charge separation; nanostructure; photoelectrochemical water splitting; Introduction Solar hydrogen generation is one of the most promising approaches to create clean energy and to overcome the environmental problems associated with use of conventional fossil fuels

Two-dimensional carbon-based nanocomposites for photocatalytic energy generation and environmental remediation applications

• Suneel Kumar,
• Ashish Kumar,
• Ashish Bahuguna,
• Vipul Sharma and
• Venkata Krishnan

Beilstein J. Nanotechnol. 2017, 8, 1571–1600, doi:10.3762/bjnano.8.159

• -doped g-C3N4 (SCN)-BiVO4 nanocomposite for water oxidation reaction. Bismuth vanadate (BiVO4) is one of the most fascinating photocatalysts with a suitable direct band gap (2.4 eV), which is excited by visible light energy and suitably positioned CB and VB edge potentials, which are favorable for

Visible light photooxidative performance of a high-nuclearity molecular bismuth vanadium oxide cluster

• Johannes Tucher and
• Carsten Streb

Beilstein J. Nanotechnol. 2014, 5, 711–716, doi:10.3762/bjnano.5.83

• previous work with direct relevance to this report, we showed that POM chemistry can be inspired by solid-state photocatalysts when the first molecular analogue of bismuth vanadate (BiVO4) photocatalysts was obtained [33][34][35][36]. Bismuth vanadate is one of the best-known solid-state visible light

• photocatalysts and is employed in photochemical and photoelectrochemical visible-light-driven water splitting systems [37][38][39][40][41]. At the start of our studies, no molecular bismuth vanadium oxides were known in the literature. We thus developed a synthetic approach to bismuth vanadate clusters based on

• are illustrated. Results and Discussion Photochemical characterization of the bismuth vanadate cluster 1 UV–vis spectroscopy of 1 shows that the cluster features a prominent ligand to metal charge-transfer (LMCT) absorption band centred at λ = 335 nm with tailing of the absorption band up to λ ≈ 560

Nanostructure sensitization of transition metal oxides for visible-light photocatalysis

• Hongjun Chen and
• Lianzhou Wang

Beilstein J. Nanotechnol. 2014, 5, 696–710, doi:10.3762/bjnano.5.82

• carbon nanodots can effectively harness the broad spectrum of sunlight to improve the photocatalytic activities of monoclinic bismuth vanadate (m-BiVO4) for the photodegradation of methylene blue [133]. The carbon nanodots play a twofold role in this photocatalytic process. Firstly, carbon nanodots