Results 1 to 10 of about 1,202,674 (275)

Etched BiVO4 photocatalyst with charge separation efficiency exceeding 90% [PDF]

Nature Communications
Charge separation of particulate photocatalysts has been considered as the rate-determining step in artificial photocatalysis since the finding of Honda-Fujishima effect, whose efficiency is generally much lower than that of natural photosynthesis.
Shuo Wang, Chenyang Li, Yu Qi, Jiaming Zhang, Ningning Wang, Meng Liu, Boyang Zhang, Xuefen Cai, Hongbo Zhang, Su-huai Wei, Guijun Ma, Jingxiu Yang, Shanshan Chen, Fuxiang Zhang   +13 more
doaj   +2 more sources

Right On Time: Ultrafast Charge Separation Before Hybrid Exciton Formation [PDF]

Advanced Science
Organic/inorganic hybrid systems offer great potential for novel solar cell design combining the tunability of organic chromophore absorption properties with high charge carrier mobilities of inorganic semiconductors.
Lukas Gierster, Olga Turkina, Jan‐Christoph Deinert, Sesha Vempati, Elsie Baeta, Yves Garmshausen, Stefan Hecht, Claudia Draxl, Julia Stähler   +8 more
doaj   +2 more sources

Aggregation promotes charge separation in fullerene-indacenodithiophene dyad [PDF]

Nature Communications
Fast photoinduced charge separation (CS) and long-lived charge-separated state (CSS) in small-molecules facilitate light-energy conversion, while simultaneous attainment of both remains challenging.
Chong Wang, Bo Wu, Yang Li, Shen Zhou, Conghui Wu, Tianyang Dong, Ying Jiang, Zihui Hua, Yupeng Song, Wei Wen, Jianxin Tian, Yongqiang Chai, Rui Wen, Chunru Wang   +13 more
doaj   +2 more sources

Strategies for improving photocatalytic performance of g-C3N4 by modulating charge separation and current research status [PDF]

Heliyon
Graphitic carbon nitride (g-C3N4) has been extensively investigated over the past decade for its potential utilizations in photocatalytic energy generation and pollutant degradation.
Shuangying Chen, Xuliang Zhang, Degang Li, Xiaowen Wang, Bingjie Hu, Fushui Guo, Liantao Hao, Bo Liu   +7 more
doaj   +2 more sources

Interfacial Charge-Transfer Transitions for Direct Charge-Separation Photovoltaics

Energies, 2020
Photoinduced charge separation (PCS) plays an essential role in various solar energy conversions such as photovoltaic conversion in solar cells. Usually, PCS in solar cells occurs stepwise via solar energy absorption by light absorbers (dyes, inorganic ...
Jun-ichi Fujisawa
doaj   +1 more source

Suppression of Charge Recombination by Auxiliary Atoms in Photoinduced Charge Separation Dynamics with Mn Oxides: A Theoretical Study

Molecules, 2022
Charge separation is one of the most crucial processes in photochemical dynamics of energy conversion, widely observed ranging from water splitting in photosystem II (PSII) of plants to photoinduced oxidation reduction processes. Several basic principles,
Yu Ohnishi, Kentaro Yamamoto, Kazuo Takatsuka   +2 more
doaj   +1 more source

An extended RΨm(2)(ΔS2) correlator for detecting and characterizing the Chiral Magnetic Wave

Physics Letters B, 2020
The extended RΨm(2)(ΔS2) correlator is presented and examined for its efficacy to detect and characterize the quadrupole charge separation (ΔS2) associated with the purported Chiral Magnetic Wave (CMW) produced in heavy-ion collisions.
Niseem Magdy, Mao-Wu Nie, Ling Huang, Guo-Liang Ma, Roy A. Lacey   +4 more
doaj   +1 more source

Crystal Facet-Dependent Intrinsic Charge Separation on Well-Defined Bi4TaO8Cl Nanoplate for Efficient Photocatalytic Water Oxidation

Energy Material Advances, 2022
The development of photocatalysts with wide spectral absorption and high charge separation efficiency has always been a pursued objective for photocatalytic solar energy conversion.
Abraham Adenle, Ming Shi, Xiaoping Tao, Yue Zhao, Bin Zeng, Na Ta, Rengui Li   +6 more
doaj   +1 more source

Ultrathin carbon interim layer encapsulation for constructing p − n heterojunction photoanode towards photoelectrochemical water splitting

Catalysis Communications, 2022
Interfacial charge transfer and separation are both critical to the solar energy conversion efficiency, whereas it remains an enduring challenge. This work demonstrates the synergetic enhancement of interfacial charge transfer efficiency and bulk charge ...
Shuo Hou, Xiao-Cheng Dai, Tian Yan, Fang-Xing Xiao   +3 more
doaj   +1 more source

Ultrafast Charge Separation in Bilayer WS2/Graphene Heterostructure Revealed by Time- and Angle-Resolved Photoemission Spectroscopy

Frontiers in Physics, 2021
Efficient light harvesting devices need to combine strong absorption in the visible spectral range with efficient ultrafast charge separation. These features commonly occur in novel ultimately thin van der Waals heterostructures with type II band ...
Razvan Krause, Razvan Krause, Mariana Chávez-Cervantes, Sven Aeschlimann, Sven Aeschlimann, Stiven Forti, Filippo Fabbri, Filippo Fabbri, Filippo Fabbri, Antonio Rossi, Antonio Rossi, Camilla Coletti, Camilla Coletti, Cephise Cacho, Yu Zhang, Paulina Ewa Majchrzak, Richard T. Chapman, Emma Springate, Isabella Gierz   +18 more
doaj   +1 more source