LED-light-activated photocatalytic performance of metal-free carbon-modified hexagonal boron nitride towards degradation of methylene blue and phenol

• Nirmalendu S. Mishra and
• Pichiah Saravanan

Beilstein J. Nanotechnol. 2022, 13, 1380–1392, doi:10.3762/bjnano.13.114

•  7b. The high removal rate towards MB could be ascribed to a better adsorption boosted through electrostatic interactions (cationic MB and negatively charged surface of MBN-80) and the synergy obtained through the photoactivity of MBN-80 and dye sensitization through MB moieties. The

Nanoporous and nonporous conjugated donor–acceptor polymer semiconductors for photocatalytic hydrogen production

• Zhao-Qi Sheng,
• Yu-Qin Xing,
• Yan Chen,
• Guang Zhang,
• Shi-Yong Liu and
• Long Chen

Beilstein J. Nanotechnol. 2021, 12, 607–623, doi:10.3762/bjnano.12.50

• semicrystalline counterparts. Dye sensitization further enhanced the photocatalytic activity of P67. Remarkably, incorporating a near-infrared absorbing dye (WS5F) into P67 (252.5 μmol·h−1, 25 mg) further improved the HER to 497.5 mmol·h−1 (25 mg), which was attributed to the enhanced light absorption and

Effect of Ag loading position on the photocatalytic performance of TiO₂ nanocolumn arrays

• Jinghan Xu,
• Yanqi Liu and
• Yan Zhao

Beilstein J. Nanotechnol. 2020, 11, 717–728, doi:10.3762/bjnano.11.59

• (200–400 nm), and the high hole–electron pair recombination rate restricts its photocatalytic efficiency [6][7]. Many efforts have been devoted to solve these problems with the aim of improving the catalytic performance of TiO2, which include doping with nonmetal elements [8], dye sensitization [9

Cr(VI) remediation from aqueous environment through modified-TiO₂-mediated photocatalytic reduction

• Rashmi Acharya,
• Brundabana Naik and
• Kulamani Parida

Beilstein J. Nanotechnol. 2018, 9, 1448–1470, doi:10.3762/bjnano.9.137

Review on nanoparticles and nanostructured materials: history, sources, toxicity and regulations

• Jaison Jeevanandam,
• Ahmed Barhoum,
• Yen S. Chan,
• Alain Dufresne and
• Michael K. Danquah

Beilstein J. Nanotechnol. 2018, 9, 1050–1074, doi:10.3762/bjnano.9.98

• creating enhanced Earth-based astronomical telescopes with adaptive optics and magnetic mirrors with the shape-shifting capability made up of ferrofluids [38][39]. TiO2 NPs are commercially used in solar cells with dye-sensitization ability [40]. In summer 2012, Logitech brought an external iPad keyboard

Three-in-one approach towards efficient organic dye-sensitized solar cells: aggregation suppression, panchromatic absorption and resonance energy transfer

• Jayita Patwari,
• Samim Sardar,
• Bo Liu,
• Peter Lemmens and
• Samir Kumar Pal

Beilstein J. Nanotechnol. 2017, 8, 1705–1713, doi:10.3762/bjnano.8.171

• sensitized DSSCs are named SQ2_PPIX and PPIX_SQ2 according to the sequence of dye used for sensitization. To ease the comparison, the total immersion time was 24 h during both mixed-dye sensitization and sequential sensitization. The counter electrodes were prepared by depositing platinum on the FTO

• ratios of SQ2 and PPIX. (c) I–V characteristics and (d) wavelength-dependent photocurrent for SQ2 and a mixture of SQ2 and 5 mM chenodeoxycholic acid. (a) I–V characteristics and (b) wavelength-dependent photocurrent response of the DSSCs with one-by-one dye sensitization. The inset shows the scheme of

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

Role of RGO support and irradiation source on the photocatalytic activity of CdS–ZnO semiconductor nanostructures

• Suneel Kumar,
• Rahul Sharma,
• Vipul Sharma,
• Gurunarayanan Harith,
• Vaidyanathan Sivakumar and
• Venkata Krishnan

Beilstein J. Nanotechnol. 2016, 7, 1684–1697, doi:10.3762/bjnano.7.161

• radiation [17]. Due to this high band gap value, ZnO can only absorb ultraviolet (UV) light and this limits its practical applications [18]. Thus, in order to design more efficient photocatalysts, which are active in visible light, many research groups have devoted their studies towards dye sensitization

Dye-sensitized Pt@TiO₂ core–shell nanostructures for the efficient photocatalytic generation of hydrogen

• Jun Fang,
• Lisha Yin,
• Shaowen Cao,
• Yusen Liao and
• Can Xue

Beilstein J. Nanotechnol. 2014, 5, 360–364, doi:10.3762/bjnano.5.41

• hydrothermal method. The dye-sensitization of these Pt@TiO2 core–shell structures allows for a high photocatalytic activity for the generation of hydrogen from proton reduction under visible-light irradiation. When the dyes and TiO2 were co-excited through the combination of two irradiation beams with

• particle bridge. Keywords: charge transfer; dye-sensitization; photocatalysis; photocatalyst; solar fuels; water splitting; Introduction Since Honda and Fujishima reported the effective hydrogen evolution from water splitting by a TiO2 and Pt electrode in a photoelectrochemical cell in the early 1970s [1

• noble metal (e.g., Pt) nanoparticles as co-catalysts that can act as electron-sinks to achieve effective charge separation on TiO2 [7][8][9][10][11]. Dye-sensitization has been widely used to enable visible light harvesting by wide band gap semiconductors. Since the seminal work reported by O’Regan and