نتایج جستجو برای: photocatalytic materials

تعداد نتایج: 450182  

Journal: :Accounts of chemical research 2013
Jinhui Yang Donge Wang Hongxian Han Can Li

Since the 1970s, splitting water using solar energy has been a focus of great attention as a possible means for converting solar energy to chemical energy in the form of clean and renewable hydrogen fuel. Approaches to solar water splitting include photocatalytic water splitting with homogeneous or heterogeneous photocatalysts, photoelectrochemical or photoelectrocatalytic (PEC) water splitting...

Journal: :Journal of Electrochemical Science and Technology 2016

2016
Xin Liu Yinliang Li Jun Yang Bo Wang Mingguo Ma Feng Xu Runcang Sun Xueming Zhang

The fabrication of reusable and biodegradation materials from renewable resources such as cellulose is essential for a sustainable world. The core-shell structured CdS-decorated TiO₂/Carbon microspheres (CdS/TiO₂/Carbon MS) photocatalyst was synthesized with controlled hydrolysis and a novel sonochemical method. It was prepared by using crosslinked microcrystalline cellulose as the core, tetrab...

Journal: :ChemPhotoChem 2021

Ammonia is not only the most important chemical for fertilizer production, it has also gained much interest as a future hydrogen storage material. Besides well-known Haber–Bosch process to generate ammonia from elemental sources, new ways convert nitrogen into have been investigated in last decade decentralized including electrocatalytic and photocatalytic approaches. However, photocatalysis pa...

Journal: :Physical chemistry chemical physics : PCCP 2016
Shoji Iguchi Soichi Kikkawa Kentaro Teramura Saburo Hosokawa Tsunehiro Tanaka

Layered double hydroxide (LDH) photocatalysts, including Ni-Al LDH, are active for the photocatalytic conversion of CO2 in water under UV light irradiation. In this study, we found that a series of LDHs exhibited anodic photocurrent which is a characteristic feature corresponding to n-type materials. Also, we estimated the potentials of photogenerated electrons and holes for LDHs, which are res...

2015
Fuminao Kishimoto Takashi Imai Satoshi Fujii Dai Mochizuki Masato M. Maitani Eiichi Suzuki Yuji Wada

The rate of electron transfer is critical in determining the efficiency of photoenergy conversion systems and is controlled by changing the relative energy gap of components, their geometries, or surroundings. However, the rate of electron transfer has not been controlled by the remote input of an external field without changing the geometries or materials of the systems. We demonstrate here th...

Journal: :Nanoscale 2014
Lan Feng Xing-Yan Tang Yun-Xin Zhong Yue-Wen Liu Xue-Huan Song Shun-Liu Deng Su-Yuan Xie Jia-Wei Yan Lan-Sun Zheng

Highly efficient and stable photoluminescence (PL) are urgently desired for graphene quantum dots (GQDs) to facilitate their prospective applications as optical materials. Here, we report the facile and straightforward synthesis of alkylated graphene quantum dots (AGQDs) via the solvothermal reaction of propagatively alkylated graphene sheets (PAGenes). In contrast to most GQDs reported so far,...

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