Broadband NIR photoluminescence from Bi-doped Ba_2P_2O_7 crystals: Insights into the nature of NIR-emitting Bismuth centers

Peng, Mingying; Sprenger, Benjamin; Schmidt, Markus A.; Schwefel, Harald G. L.; Wondraczek, Lothar

doi:10.1364/oe.18.012852

Cited by 109 publications

(94 citation statements)

References 51 publications

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“…The combined experimental evidence of XRD and PL 5 results, taken in conjunction with the result of quantum chemistry calculation, makes it clear that both Bi 8 2+ and Bi 5 3+ contribute to the observed NIR emission. Furthermore, it was revealed that Bi 8 2+ polycation where Bi has an average oxidation state of + 0.25 results in the emission peaking at around 1180 nm, while 10 Bi 5 3+ the longer-wavelength emission. It is clear that systematical examination of structural and luminescent properties as well as detailed quantum chemistry calculation of molecular crystals containing such kinds of bismuth units allows us to obtain a deeper understanding on bismuth-related photophysical behaviors, 15 because of the establishment of structure-property relationships.…”

Section: Discussionmentioning

confidence: 99%

“…The sample was grounded into powders, sealed in 1 mm Hilgenberg borosilicate capillaries and kept spinning during the measurement. The EEM was taken by 10 Horiba NanoLog spectrofluorometer equipped with a monochromated Xe lamp and a liquid N 2 cooled photomultiplier tube (Hamamatsu, R5509-72). The powder was sandwiched between a glass microscope slide and a quartz cover glass and sealed with glue.…”

Section: Materials Characterizationmentioning

confidence: 99%

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Experimental and theoretical studies of photoluminescence from Bi82+ and Bi53+ stabilized by [AlCl4]− in molecular crystals

et al. 2012

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. Please use this new link.Compared with the old version, we revised the errors in it. We also tried to 5 get the ratio of Bi 8 (AlCl 4 ) 2 to Bi 5 (AlCl 4 ) 3 , based on the suggestions from the co-authors and colleagues, but did not succeed, possibly due to the poor signal to noise ratio of XRD spectrum.There are one simple route for further obtaining detailed information of 10 Bi 8 2+ .One can synthesize high-quality single crystal through method developed in Eur. J. Inorg. Chem., 2005, 670. 15 This result further suggests that the establishment of structure-property relationships is the first and the most important step to get a clearer picture of the PL mechanism related to bismuth species. 20 25 CREATED USING THE RSC ARTICLE TEMPLATE (VER. 3.0) -SEE WWW.RSC.ORG/ELECTRONICFILES FOR DETAILS Experimental details 75 Sample preparationThe product was synthesized by a modified method reported by Corbett et al. and Beck et al.. 1b,17 AlCl 3 (Sigma-Aldrich, 99.99%), BiCl 3 (Alfa Aesar, ultra dry, 99.997%), Bi powder (Alfa Aesar, 99.999%) were used as received. Because of the high moisture 80 sensitivity of the anhydrous metal halides used in this work, all manipulations were performed under dry N 2 atmosphere in a glovebox (< 2 ppm H 2 O; < 0.1 ppm O 2 ). A mixture of BiCl 3 , AlCl 3 , and Bi was enclosed in a glass tube under vacuum and heated in a muffle furnace. for one week, then undergoes an initial cooling from 350°C to 160°C at a rate of 10 o C/h, and finally is cooled very slowly with 2°C/h from 160°C to 130°C. The obtained black product was seperated and sealed in bottles or capillaries for the following measurements. 5 Materials characterizationThe product was characterized by X-ray diffractometer (Rigaku-RINT Ultima3, λ=1.54056 Å). The sample was grounded into powders, sealed in 1 mm Hilgenberg borosilicate capillaries and kept spinning during the measurement. The EEM was taken by 10 Horiba NanoLog spectrofluorometer equipped with a monochromated Xe lamp and a liquid N 2 cooled photomultiplier tube (Hamamatsu, R5509-72). The powder was sandwiched between a glass microscope slide and a quartz cover glass and sealed with glue. Emission spectra were taken at different 15 excitation wavelengths from 250 to 910 nm with 20 nm intervals. All spectra were corrected for spectral response of the detection system. Time-resolved PL measurements were performed by detecting the modulated luminescence signal with a photomultiplier tube (Hamamatsu,, and then analyzing 20 the signal with a photon-counting multichannel scaler. The excitation source for the time-resolved PL measurements was 600 nm light (pulse width: 5nsec; frequency: 20Hz) from an optical parametric oscillator pumped by the third harmonic of a Nd:YAG laser. The detailed quantum chemistry calculation on Bi 8 2+ 25 polycation is shown in the following section. Results and discussionThe crystallinity of as-prepared products was examined by PXRD (Fig. 1a) (Fig. 1b). The [AlCl 4 ] -ions render the compounds air-and moisture-sensitive because of 40 the ...

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Section: Discussionmentioning

confidence: 99%

Section: Materials Characterizationmentioning

confidence: 99%

Experimental and theoretical studies of photoluminescence from Bi82+ and Bi53+ stabilized by [AlCl4]− in molecular crystals

et al. 2012

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“…For example, decreasing the redox state of bismuth towards the formation of metallic nanoparticles has been known as an easy method to tune glass color from yellow to reddish tints to deep black [15]. To prevent the formation of lower-valence bismuth states during glass fabrication, several methods have been explored, such as calcination of the precursors, different annealing temperatures, shorter melting times and the use of different crucible materials [2,16,17]. Another possibility to prevent reduction is through oxidants, MeO x , which provide oxygen to the glass system while the cation is embedded in the network.…”

Section: Introductionmentioning

confidence: 99%

Luminescence from bismuth-germanate glasses and its manipulation through oxidants

Winterstein

Manning

Ebendorff-Heidepriem

et al. 2012

Opt. Mater. Express

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“…The Bi 3+ ion in the common oxidation state +3 has no optical transitions in NIR and the observed emission was attributed to possible Bi 5+ , 1 Bi 2+ , 20 Bi + , 21 Bi 0 , 8,9,22 Bi 2 À , Bi 2 2À , 23 and bismuth cluster species. 24 The related information was also summarized in the recent review.…”

Section: Introductionmentioning

confidence: 97%

Near infrared photoluminescence of the univalent bismuth impurity center in leucite and pollucite crystal hosts

et al. 2015

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aThe bismuth doped aluminosilicate phases leucite (KAlSi 2 O 6 ), gallium leucite (KGaSi 2 O 6 ) and pollucite (CsAlSi 2 O 6 ) display broadband NIR photoluminescence. The active center, responsible for this luminescence, is the Bi + monocation, which substitutes for the large alkali metal cations. The Al,Si-disorder in the aluminosilicate framework of studied crystal phases results in the heterogeneity of Bi + luminescent center population, which manifests itself in the characteristic dependency of the luminescence spectrum shape on the excitation wavelength. The relation of NIR emission in Bi + -doped leucite and pollucite phases to the luminescent properties of bismuth-doped glasses is also discussed.

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Broadband NIR photoluminescence from Bi-doped Ba_2P_2O_7 crystals: Insights into the nature of NIR-emitting Bismuth centers

Cited by 109 publications

References 51 publications

Experimental and theoretical studies of photoluminescence from Bi82+ and Bi53+ stabilized by [AlCl4]− in molecular crystals

Experimental and theoretical studies of photoluminescence from Bi82+ and Bi53+ stabilized by [AlCl4]− in molecular crystals

Luminescence from bismuth-germanate glasses and its manipulation through oxidants

Near infrared photoluminescence of the univalent bismuth impurity center in leucite and pollucite crystal hosts

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