A5103224220- TiO2 Photocatalysis and Solar Cells
- Advanced Photocatalysis Techniques
- Quantum Dots Synthesis And Properties
- Conducting polymers and applications
- Polyoxometalates: Synthesis and Applications
- Microbial metabolism and enzyme function
- Nanoporous metals and alloys
- Porphyrin and Phthalocyanine Chemistry
- Perovskite Materials and Applications
- Organic Electronics and Photovoltaics
- Microbial Metabolic Engineering and Bioproduction
- Plant nutrient uptake and metabolism
- Lanthanide and Transition Metal Complexes
- Luminescence Properties of Advanced Materials
- Synthetic Organic Chemistry Methods
- Nanoplatforms for cancer theranostics
- Biofuel production and bioconversion
- Legume Nitrogen Fixing Symbiosis
- Metallic Glasses and Amorphous Alloys
- Semiconductor Lasers and Optical Devices
- Pigment Synthesis and Properties
- Copper-based nanomaterials and applications
- Metallurgical Processes and Thermodynamics
- Ionic liquids properties and applications
Qingdao Agricultural University
2024
University of Groningen
2017-2024
Flevoziekenhuis
2024
Chinese Academy of Sciences
2009-2011
State Key Laboratory of Polymer Physics and Chemistry
2009-2011
Changchun Institute of Applied Chemistry
2009-2011
Central South University
2011
With a new metal-free donor-acceptor photosensitizer featuring the 2,6-bis(thiophen-2-yl)-4,4-dihexyl-4H-cyclopenta[2,1-b:3,4-b']dithiophene-conjugated spacer and tris(1,10-phenanthroline)cobalt(II/III) redox shuttle, we present highly efficient iodine-free dye-sensitized solar cell displaying power conversion efficiency of 9.4% measured at 100 mW cm(-2) simulated AM1.5 conditions.
Six organic dyes with different conjugated linkers such as furan, bifuran, thiophene, bithiophene, selenophene, and biselenophene have been prepared in combination the dihexyloxy-substituted triphenylamine donor cyanoacrylic acid acceptor. In conjunction an acetonitrile-based electrolyte a solvent-free ionic liquid electrolyte, these exhibit 6.88−7.77% 6.39−7.00% efficiencies, respectively. We demonstrated that furan selenophene can be employed building blocks of sensitizers stable solar...
We deploy the tris(1,10-phenanthroline)cobalt(II/III) redox shuttle in conjunction with high-absorption-coefficient organic photosensitizer C218 to fabricate an iodine-free dye-sensitized solar cell displaying unprecedented 8.3% efficiency at irradiation of AM1.5 full sunlight.
The combination of some non-iodine one-electron outer-sphere redox shuttles with high-absorption-coefficient organic D–π–A dyes has very recently brought forth a new opportunity towards efficiency enhancement dye-sensitized solar cells (DSCs). Thereby comprehensive understanding on the structure–property relationship metal-free photosensitizers will play pivotal role in further development high-efficiency devices iodine-free. Herein, we scrutinize general influences...
Abstract The proficiency of phyllosphere microbiomes in efficiently utilizing plant-provided nutrients is pivotal for their successful colonization plants. methylotrophic capabilities Methylobacterium/Methylorubrum play a crucial role this process. However, the precise mechanisms facilitating efficient remain elusive. In present study, we investigate significance methanol assimilation shaping success mutualistic relationships between methylotrophs and A set strains originating from...
We scrutinize the energetic and kinetic interplays in oligothiophene dye-sensitized solar cells via analyzing electrical impedance as well transient emission absorption spectroscopies.
Abstract A ruthenium sensitizer (coded C101, NaRu (4,4′‐bis(5‐hexylthiophen‐2‐yl)‐2,2′‐bipyridine) (4‐carboxylic acid‐4′‐caboxylate‐2,2′‐bipyridine) (NCS) 2 ) containing a hexylthiophene‐conjugated bipyridyl group as an ancillary ligand is presented for use in solid‐state dye‐sensitized solar cells (SSDSCs). The high molar‐extinction coefficient of this dye advantageous compared to the widely used Z907 dye, (NaRu acid‐4′‐carboxylate) (4,4′‐dinonyl‐2,2′‐bipyridine) ). In combination with...
The iodide/triiodide redox shuttle is an unparalleled option in making efficient dye-sensitized solar cells (DSCs) but also presents some prominent constraints on the development of new photosensitizers, semiconductors and counter electrodes. In this paper, a cobalt electrolyte has been identified to offer advantageous impact π-conjugation extension push–pull organic dyes, upon interfacial charge recombination kinetics thus open-circuit photovoltage DSCs, sharp contrast with conventional...
The electron donor of a D-π-A dye is known for its capability to tune both the electronic trait and packing mode molecules chemisorbed on titania nanocrystals dye-sensitized solar cells (DSCs), bringing opportunity impact cell performance by modulating physicochemical characteristics at titania/dye/electrolyte interface. In this paper, we scrutinize influences arylamine donors optoelectronic features thin-film DSCs employing tris(1,10-phenanthroline)cobalt(II/III) redox electrolyte, use four...
A photosensitizer plays a crucial role in the conversion of solar light to electricity dye-sensitized cells (DSCs). Thereby an all-sided apprehension on its structure–property relationship should large extent expedite rational material design. In this paper, we investigate some general impacts one double-bond variation upon optoelectronic features three pairs cyanoacrylic acid dyes. One insertion between triphenylamine electron donor and π-conjugated heterocycles such as thiophene,...
We investigate the influence of electrolyte cations such as lithium and dimethylimidazolium on spectroscopic electrical characteristics dye-sensitized solar cells based a metal-free chromophore C218. An evident bathochromic effect with respect to is noticed for C218 dye-coated nanocrystalline titania film via measuring electronic absorption photocurrent action spectra. In comparison dimethylimidazolium, use cation evokes downward shift excited-state redox potential sensitizer by 120 mV, that...
We investigate the lithium cation effects in high-performance dye-sensitized solar cells, which exhibit ∼10% efficiency and excellent thermal light-soaking stability during 1000-h accelerated aging tests.
A comprehensive understanding on the structure−property relationship of metal-free organic chromophores in dye-sensitized solar cells will form basis further design advanced materials and realization considerable enhancement device performance, boosting widespread utilization energy at an affordable cost. In this paper we report profound influences fluorine versus ethyl substituent cyclopentadithiophene conjugated spacer push−pull photosensitizers, upon energetic kinetic characteristics...
We prepared four new ionic liquids consisting of N-methyl-N-allylpyrrolidinium cation in conjunction with anions including iodide, nitrate, thiocyanate, and dicyanamide, respectively, measured their physical properties density, viscosity, conductivity. Owing to the relatively lower melting point electroactive combination three other nonelectroactive liquids, we could construct solvent-free electrolytes possessing high iodide concentrations for dye-sensitized solar cells. correlated...
Diverse thiophene-containing blocks have been employed as the π-conjugated spacers of organic D-π-A dyes. In case that multiple segments with distinguishable electronic features are applied, their conjugation sequence could potently affect optoelectric behaviors photosensitizers in mesoscopic titania solar cells. this work, we address issue by designing three dyes (C225, C226, and C227), wherein dihexyl-substituted cyclopentadithiophene moiety is stepwise shifted from electron acceptor side...
An upconverter upconverts blue light into UVB photons, which can be used in dermatology to cure certain skin diseases. This concept mitigates the effects of toxicity on healthy regions that may occur when direct is administered.
We compare the impacts of tetracyanoborate and dicyanamide anions in solvent-free ionic liquid electrolytes upon optoelectronic features dye-sensitized solar cells based on an organic push−pull chromophore. With respect to dicyanamide, confers a bathochromic higher photocurrent response dye-coated mesoporous titania film. Numerical simulations electrical impedance spectroscopies disclose that evoke downward displacement conduction-band edge electrolyte-sinking nanocrystalline film comparison...
The adsorption of 4-tert-butylpyridine (TBP) on the surface oxide semiconductors can tune their interband state distributions as well conduction band edges, offering a straightforward tactic to modulate energy alignments at titania/dye/electrolyte interface in dye-sensitized solar cells. In this work, by stepwise augmenting TBP concentration electrolytes, we investigate energetic and kinetic interplays mesoscopic titania cells based upon two push–pull organic dyes C218 D205. higher...
Improving chemical integrity of polymers <italic>via</italic> one-pot Suzuki–Miyaura (SM) homopolymerization.