셀룰로오스와 금/은 나노입자 기반의 광 흡수체를 이용한 태양광 수증기 발생

구본준; 김현중; 김동현; 아누쉬 므노얀; 이규복; Bon-Jun Ku; Hyunjoung Kim; Dong Hyun Kim; Anush Mnoyan; Kyubock Lee

Polymer(Korea), Vol.44, No.3, 377-383, May, 2020

DOI10.7317/pk.2020.44.3.377 Export Citation

셀룰로오스와 금/은 나노입자 기반의 광 흡수체를 이용한 태양광 수증기 발생

Solar-driven Steam Generation via Cellulose Fiber and Au/Ag Nanoparticle-based Light Absorber

구본준, 김현중, 김동현, 아누쉬 므노얀, 이규복^†

충남대학교 에너지과학기술대학원

Bon-Jun Ku, Hyunjoung Kim, Dong Hyun Kim, Anush Mnoyan, and Kyubock Lee^†

Graduate School of Energy Science and Technology, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea

E-mail:

초록

물의 국소 및 계면 가열을 특징으로 하는 새로운 유형의 고효율 태양광-수증기 발생 장치는 기존의 태양에너지 이용 해수담수화기술의 저효율 한계를 극복하는 효과적인 방법으로 주목받고 있다. 본 연구에서 우리는 세 가지 주요 구성 요소들을 포함한 효과적인 태양광-수증기 발생 광흡수체(CMNF-NP)를 고안하였다. 광열 변환 재료인 Au/Ag 나노입자와 나노입자 고정 및 친수성 특성을 가진 셀룰로오스 나노 섬유(CNF) 및 기계적 강도를 향상시키기 위한 보강제로서 셀룰로오스 마이크로 섬유(CMF)를 사용하였다. CNF에 5.17 wt%의 CMF가 첨가된 CMNF는 CNF에 비하여 인장강도가 2.9배 향상된 반면 광학 투명도는 2% 저하되었다. CMNF 지지체를 기반으로 합성한 광 흡수체인 CMNF-NP의 경우 CMF 첨가에 따라 증기발생 효율은 2.3% 저하되었지만 향상된 기계적 강도로 인해 태양광-수증기 발생장치에 활용하는데 있어서 실용성을 높일 수 있을 것으로 본다.

A new type of solar-driven steam generation (SDSG) for desalination and water purification, characterized by local and interfacial heating of water using nanostructured light absorbers, has recently drawn great attention, which overcomes the limitation of low efficiency of conventional SDSG, a bulk water heating system. Here we devise the cellulose micro/nanofiber and Au/Ag nanoparticle light absorber (CMNF-NP) for SDSG, which is composed of Au/Ag nanoparticles as the photothermal material, cellulose nanofiber (CNF) as the main substrate for immobilization of nanoparticles, and cellulose microfiber (CMF) as the fillers for enhancing mechanical property. For the substrate, the addition of 5.17 wt% of CMF in CNF (CMNF) enhanced tensile strength by 2.9 times and reduced optical transparency by 2%. Although the steam generation efficiency of CMNF-NP was reduced by 2.3% by the addition of CMF, the trade-off is worth to make considering the application of this light absorber into practical SDSG system.

Keywords:solar-driven steam generation (SDSG);cellulose microfiber (CMF);cellulose nanofiber (CNF);light absorber

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[2] Kamal I, Desalination, 114(3), 233 (1997)

[3] Mabrouk ANA, Nafey AS, Fath HE, Desalination Water Treat., 22, 1 (2010)

[4] Narayan GP, McGovern RK, Zubair SM, Lienhard JH, Energy, 37(1), 482 (2012)

[5] Wang YQ, Lior N, Desalination, 214(1-3), 306 (2007)

[6] Kannan N, Vakeesan D, Renew. Sust. Energ. Rev., 62, 1092 (2016)

[7] Lof GO, Duffie JA, Smith CO, Solar Energy, 10, 27 (1966)

[8] Zhou L, Tan Y, Ji D, Zhu B, Zhang P, Xu J, Gan Q, Yu Z, Zhu J, Sci. Adv., 2, 1 (2016)

[9] Bae K, Kang G, Cho SK, Park W, Kim K, Padilla WJ, Nat. Commun., 6, 1 (2015)

[10] Lee SW, Yang Y, Lee HW, Ghasemi H, Kraemer D, Chen G, Cui Y, Nat. Commun., 5, 1 (2014)

[11] Lau MCY, Kieft TL, Kuloyo O, Linage-Alvarez B, et al., Proc. Natl. Acad. Sci. U.S.A, 113, E7927 (2016)

[12] Ito Y, Tanabe Y, Han JH, Fujita T, Tanigaki K, Chen MW, Adv. Mater., 27(29), 4302 (2015)

[13] Xia C, Jiang Q, Zhao C, Hedhili MN, Alshareef HN, Adv. Mater., 28(1), 77 (2016)

[14] Zhou L, Tan Y, Wang J, Xu W, Yuan Y, Cai W, Zhu S, Zhu J, Nat. Photonics, 10, 393 (2016)

[15] Dao VD, Choi HS, Global Challenges, 2, 1 (2018)

[16] Norton SJ, Vo-Dinh T, J. Appl. Phys., 119, 1 (2016)

[17] Huang X, El-Sayed MA, Alex. J. Med., 47, 1 (2011)

[18] Neumann O, Urban AS, Day J, Lal S, Nordlander P, Halas NJ, ACS Nano, 7, 42 (2013)

[19] Zhu M, Li Y, Chen F, Zhu X, Dai J, Li Y, Yang Z, Yan X, et al., Adv. Eng. Mater., 8, 1 (2018)

[20] Chang C, Tao P, Fu B, Xu J, Song C, Wu J, Shang W, Deng T, ACS Omega, 4, 3546 (2019)

[21] Yang H, Wang T, Oehme D, Petridis L, Hong M, Kubicki JD, Cellulose, 25, 23 (2018)

[22] Tang C, Liu H, Compos. Pt. A-Appl. Sci. Manuf., 39, 1638 (2008)

[23] Liu Y, Zhou J, Chen L, Zhang P, Fu W, Zhao H, Ma Y, Pan X, Zhang Z, Han W, Xie E, ACS Appl. Mater. Interfaces, 7, 23515 (2015)

[24] Zhao F, Repo E, Song Y, Yin D, Hammouda SB, Chen L, Kalliola S, Tang J, Tam KC, Green Chem., 19, 4816 (2017)

[25] Pelton R, Zhang J, Wagberg L, Rundlof M, Nordic Pulp & Paper Research Journal, 15, 400 (2000).

[26] Takagi H, Asano A, Compos. Pt. A-Appl. Sci. Manuf., 39, 685 (2008)

[27] Lundquist L, Marque B, Hagstrand PO, Leterrier Y, Manso JAE, Compos. Sci. Technol., 63, 137 (2003)

[28] Neville RC, Solar Energy Conversion, Elsevier Science, Amsterdam, 1995.

[29] Afra E, Mohammadnejad S, Saraeyan A, Prog. Org. Coat., 101, 455 (2016)

[30] Mousavi SM, Afra E, Tajvidi M, Bousfield DW, Dehghani-Firouzabadi M, Cellulose, 24, 3001 (2017)