1.2 μm and 1.5 μm near-infrared photoluminescence and visible upconversion photoluminescence in GeGaS:Er~(3+)/Ho~(3+) glasses under 980 nm excitation

Himics Dianna; Strizik Lukas; Oswald Jiri; Holubova Jana; Benes Ludvik; Slang Stanislav; Frumarova Bozena; Wagner Tomas

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1.2 μm and 1.5 μm near-infrared photoluminescence and visible upconversion photoluminescence in GeGaS:Er~(3+)/Ho~(3+) glasses under 980 nm excitation

机译：在980 nm激发下，GeGaS：Er〜（3 +）/ Ho〜（3+）玻璃中的1.2μm和1.5μm近红外光致发光和可见光上转换光致发光

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We report on the Er3+ a dagger" Ho3+ optical interaction on the 1.2 and 1.5 A mu m near-infrared and visible upconversion photoluminescence in Er3+/Ho3+-co-doped GeGaS glasses at pumping wavelength of 980 nm. Since the 980 nm pumping wavelength is off resonance for Ho3+ intra-4f electronic transitions, we have utilized the Er3+ sensitization with observed efficient Er3+ -> Ho3+ energy transfer. As a result, the Ho3+ 1.2 A mu m emission in Er3+/Ho3+-co-doped GeGaS glass has been notably improved while the intense Er3+ 1.5 A mu m emission has been maintained. The visible upconversion photoluminescence has been observed at 530, 550 and 660 nm and was assigned mainly to intra-4f electronic transitions within Er3+ ions. The overall upconversion photoluminescence intensity significantly increases by addition of Ho3+ ions into GeGaS:Er glass which may be explained by energy transfer processes between Er3+ and Ho3+ ions leading to population of the Er3+ upper energy levels. The Ho3+ 1.2 A mu m and Er3+ 1.5 A mu m emission has much potential in telecommunication while the intense visible upconversion photoluminescence in sensing.

机译：我们报道了在Er3 + / Ho3 +共掺杂的GeGaS玻璃中，在泵浦波长为980 nm时，在1.2和1.5μm的近红外和可见光上转换中的Er3 +带有匕首的Ho3 +光学相互作用。由于980 nm的泵浦波长为在Ho3 +内4f电子跃迁的非共振中，我们利用Er3 +敏化和观察到的有效Er3 +-> Ho3 +能量转移，因此，在Er3 + / Ho3 +共掺杂的GeGaS玻璃中Ho3 + 1.2 A的发射非常明显在保持较高的Er3 + 1.5 Aμm发射的同时改善了可见光；在530、550和660 nm观察到了可见的上转换光致发光，并且主要分配给Er3 +离子内的4f内电子跃迁。将Ho3 +离子添加到GeGaS：Er玻璃中，这可以通过Er3 +和Ho3 +离子之间的能量转移过程来解释，从而导致Er3 +上能级的聚集。Ho3 + 1.2 Aμm Er3 + 1.5 Am的发射在电信领域具有很大的潜力，而在传感方面具有强烈的可见光上转换光致发光。

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来源
《Journal of materials science》 |2018年第20期|17314-17322|共9页
作者
Himics Dianna; Strizik Lukas; Oswald Jiri; Holubova Jana; Benes Ludvik; Slang Stanislav; Frumarova Bozena; Wagner Tomas;
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Univ Pardubice Fac Chem Technol Dept Gen & Inorgan Chem Studentska 573 Pardubice 53210 Czech Republic;

Inst Phys ASCR Vvi Cukrovarnicka 10 Prague 16200 Czech Republic;

Univ Pardubice Fac Chem Technol Ctr Mat & Nanotechnol Studentska 95 Pardubice 53210 Czech Republic;

Czech Acad Sci Vvi Inst Macromol Chem Heyrovskeho Nam 2 Prague 16206 Czech Republic;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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正文语种 eng
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3. Quadrature frequency resolved spectroscopy of upconversion photoluminescence in GeGaS:Er~(3+); II. elucidating excitation mechanisms of red emission besides green emission [J] . Takeshi Aoki, Lukas Strizik, Jan Hrabovsky, Journal of materials science . 2017,第10期

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4. Upconversion Emission of Ag Nanoparticles with Er~(3+)/Yb~(3+) Ions in Tellurite Glasses under 980nm Laser Excitation [C] . S.K. Mahajan, J. Parashar International Conference on Advances in Basic Sciences . 2019

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5. Upconversion dynamics and energy transfer: Er(3+):YAlO(3), YAG and Tm(3+): YLF, YBF. [D] . Wang, Jianan. 1996

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6. Intense Visible and Near-Infrared Upconversion Photoluminescence in Colloidal LiYF4:Er3+ Nanocrystals under Excitation at 1490 nm [O] . Guanying Chen, Tymish Y. Ohulchanskyy, Aliaksandr Kachynski, -1

机译：在胶体LiyF4中的强烈可见和近红外上变化光致发光：ER3 +纳米晶体在1490nm的激发下
7. Intense Visible and Near-Infrared Upconversion Photoluminescence in Colloidal LiYF4:Er3+ Nanocrystals under Excitation at 1490 nm [O] . Guanying Chen, Tymish Y. Ohulchanskyy, Aliaksandr Kachynski, 2011

机译：在胶体LiyF4中的强烈可见和近红外上变化光致发光：ER3 +纳米晶体在1490nm的激发下

1.2 μm and 1.5 μm near-infrared photoluminescence and visible upconversion photoluminescence in GeGaS:Er~(3+)/Ho~(3+) glasses under 980 nm excitation

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