Results 51 to 60 of about 54,052 (308)

Electronic spectra of cationic PAH and PAH clusters [PDF]

EAS Publications Series, 2012
An experiment designed for measuring the electronic spectra of PAH cations and PAH cluster cations has been set up, which is briefly described. The photodissociation spectra, reflecting the absorption spectra, of 2-methyl-naphthalene dimer cation have been recorded in the spectral ranges corresponding to the transitions from the ground state to both ...
H. Friha, G. Féraud, T. Pino, P. Parneix, Z. Dhaouadi, Ph. Bréchignac   +5 more
openaire   +1 more source

Spiro‐Phenothiazine Hole‐Transporting Materials: Unlocking Stability and Scalability in Perovskite Solar Cells

Advanced Materials, EarlyView.
Fluorene‐functionalized spiro‐phenothiazine (PTZ‐Fl) exhibits strong Li+ affinity and thermal stability, enabling a PCE of 25.75% in small‐area cells and 22.07% in 25 cm2 modules. Under ISOS‐L3 conditions, PTZ‐Flbased devices retain over 80% efficiency after 1000 hours, demonstrating superior stability and scalability compared to spiro‐OMeTAD for next ...
Javier Urieta‐Mora, Seung Ju Choi, Jaeki Jeong, Silvia Orecchio, Inés García‐Benito, Manuel Pérez‐Escribano, Joaquín Calbo, Likai Zheng, Minseop Byun, Seyeong Song, Gi‐Hwan Kim, Shaik M. Zakeeruddin, Seog‐Young Yoon, Yimhyun Jo, Agustín Molina‐Ontoria, Enrique Ortí, Nazario Martín, Michael Grätzel   +17 more
wiley   +1 more source

Distribution, composition and risk assessment of PAHs and PCBs in cryospheric watersheds of the eastern Tibetan Plateau. [PDF]

, 2023
Polycyclic Aromatic Hydrocarbons (PAHs) and Polychlorinated Biphenyls (PCBs) are significant components of persistent organic pollutants (POPs) and pose a threat to both ecosystems and human health.
Wenhua Gao, Ting Wei, Xiaoli Liu, Liu, Xiaoli, Quanlian Li, Xiang Qin, Dong, Zhiwen, Zhiwen Dong, Baccolo, Giovanni, Qin, Xiang, Li, Quanlian, Wei, Ting, Giovanni Baccolo, Gao, Wenhua   +13 more
core   +1 more source

Machine‐Learning‐Guided Discovery of Boron‐Free Narrowband Blue Thermally Activated Delayed Fluorescence Emitters

Angewandte Chemie, EarlyView.
A data‐driven discovery engine—exhaustive enumeration of carbazole‐containing polycyclic aromatic hydrocarbons (Cz‐PAHs) followed by machine learning—identifies boron‐free, narrowband blue thermally activated delayed fluorescence emitters for organic light‐emitting diodes (OLEDs).
Masaya Hagai, Jie Sun, Jun Hyeon Lee, Kazuhiro J. Fujimoto, Shigehiro Yamaguchi, Takuma Yasuda, Takeshi Yanai   +6 more
wiley   +2 more sources

Factors associated with psychological well-being among older adults attending daycare centers of Kathmandu, Nepal: a cross-sectional path-analytical study

BMC Geriatrics
Background As individuals age, their mental health becomes critical to overall well-being. Identifying the various factors influencing psychological well-being (PWB), including social, spiritual, psychological, and individual aspects, is essential ...
Rekha Timalsina, Madhusudan Subedi, Nima Maharjan, Bigya Shah, Pabitra Adhikari   +4 more
doaj   +1 more source

Accumulation and Ecological Risk of Heavy Metals and Polycyclic Aromatic Hydrocarbons (PAHs) in Surface Sediments from Typical Estuaries in Hainan Island

Yankuang ceshi, 2022
BACKGROUND Heavy metals and polycyclic aromatic hydrocarbons (PAHs) are the ecological research focus because of their teratogenicity, carcinogenicity, and mutagenicity.
YANG Jianzhou, MA Shengming, WANG Zhenliang, BIAN Yuan, GONG Jingjing, GAO Jianweng, ZHAO Jinhua, HU Shuqi, TANG Shixin   +8 more
doaj   +1 more source

Azaporphyrinoid‐Based Photo‐ and Electroactive Architectures for Advanced Functional Materials

Advanced Materials, EarlyView.
A long‐standing collaboration between the Torres and Guldi groups has yielded diverse azaporphyrinoid‐based donor‐acceptor nanohybrids with promising applications in solar energy conversion. This conspectus highlights key molecular platforms and structure‐function relationships that govern light and charge management, supporting the rational design of ...
Jorge Labella, Kobra Azizi, Dirk M. Guldi, Tomás Torres   +3 more
wiley   +1 more source

Avaliação da concentração de compostos mono e policíclicos aromáticos dos processos de conversão térmica de lodo sanitário para uso como fonte alternativa de energia [PDF]

, 2015
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Química, Florianópolis, 2015.Atualmente, o tratamento de águas residuárias, através das estações de tratamento de efluentes, gera lodos
Susin, Renato Cesar
core  

Analysis of polycyclic aromatic hydrocarbons (PAHs) and their adsorption characteristics on activated sludge during biological treatment of coking wastewater [PDF]

, 2016
Experiments were conducted to investigate the concentrations of PAHs and their adsorption characteristics by activated sludge in this study. Influence of sorption time, sludge concentration, and pH on PAHs adsorption was evaluated.
Li, Haibo, Zhang, Yuxiu, Sheng, Yuxing, Meng, Xiaojun, Cao, Hongbin   +4 more
core   +1 more source

Rapidly Diversifying Hydrogen‐Bonded Organic Frameworks With Permanent Porosity

Angewandte Chemie, EarlyView.
This article reviews diversifying hydrogen‐bonded organic frameworks (HOFs) with permanent porosity reported over the past 15 years, based on the molecular structures of their constituent tectons. Furthermore, several distinctive aspects and concepts are described, such as permanent porosity, isostructural (isoreticular) HOFs, and multicomponent mixed ...
Taito Hashimoto, Ichiro Hisaki
wiley   +2 more sources